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Vitharana TN, King E, Moran K. Sensorimotor Dysfunction Following Anterior Cruciate Ligament Reconstruction- an Afferent Perspective: A Scoping Review. Int J Sports Phys Ther 2024; 19:1410-1437. [PMID: 38179582 PMCID: PMC10761632 DOI: 10.26603/001c.90862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 10/19/2023] [Indexed: 01/06/2024] Open
Abstract
Background Sensorimotor dysfunction is thought to occur following anterior cruciate ligament (ACL) injury which may have implications on future reinjury risk. Dysfunction has been demonstrated within the efferent component of the sensorimotor system. However, no reviews have examined the two main components of the afferent system: the visual and somatosensory systems. Hypothesis/Purpose This study aimed to report differences in function (central processing and local processing) within the (1) somatosensory and (2) visual systems between individuals following anterior cruciate ligament reconstruction (ACLR) and healthy controls (between-subject). The study also aimed to report differences in function within the two systems between the two limbs of an individual following ACLR (within-subject). Study Design Scoping review. Methods A search was conducted in PubMed, SPORTDiscus, CINAHL, Medline and Embase up until September 2021. Level I-IV studies assessing somatosensory and visual systems were included if they compared ACLR limbs to the uninjured contralateral limb (within-subject) or a healthy control limb (between-group). The function of somatosensory and visual systems was assessed across both central processing (processing of information in the central cortex) and local processing (all other assessments outside of central processing of information). Results Seventy studies were identified (52 somatosensory, 18 visual). Studies examining somatosensory central processing demonstrated significant differences; 66% of studies exhibited within-subject differences and 100% of the studies exhibited between-group differences. Studies examining local somatosensory processing had mixed findings; 40% of the 'joint position sense (JPS)' and 'threshold to detect motion (TTDM)' studies showed significant within-subject differences (JPS=0.8°-3.8° and TTDPM=0.2°-1.4°) and 42% demonstrated significant between-group differences (JPS=0.4°-5° and TTDPM=0.3°-2.8°). Eighty-three percent of visual central processing studies demonstrated significant dysfunction between-groups with no studies assessing within-subject differences. Fifty percent of the studies examining local visual processing demonstrated a significant between-group difference. Conclusion Significant differences in central processing exist within somatosensory and visual systems following ACLR. There is mixed evidence regarding local somatosensory and visual processing. Increased compensation by the visual system and local visual processing dysfunction may occur in conjunction with somatosensory dysfunction.
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Affiliation(s)
- Thilina N Vitharana
- Sports Medicine Sports Surgery Clinic
- School of Health and Human Performance Dublin City University
| | - Enda King
- Qatar Orthopaedic and Sports Medicine Hospital
- Department of Life Sciences University of Roehampton
| | - Kieran Moran
- School of Health and Human Performance Dublin City University
- Insight Centre for Data Analytics Dublin City University
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Kempfert DJ, Chaconas EJ, Daugherty ML, Clark NC. Test-retest reliability of quantitative sensory testing, active joint position sense, and functional hop testing in amateur adult athletes with unilateral anterior cruciate ligament reconstruction. Phys Ther Sport 2023; 64:63-73. [PMID: 37778110 DOI: 10.1016/j.ptsp.2023.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/16/2023] [Accepted: 09/19/2023] [Indexed: 10/03/2023]
Abstract
OBJECTIVES The somatosensory system fulfils a critical role in functional knee joint stability (FKJS) by providing afferent feedback necessary for neuromuscular control. Individuals with anterior cruciate ligament reconstruction (ACLr) have altered somatosensory function. Somatosensory characteristics are assessed by proprioception and quantitative sensory testing. The purpose of the study was to examine intra-rater and inter-rater reliability of methods used to assess somatosensory characteristics and FKJS in amateur adult athletes with unilateral ACLr. DESIGN Repeated measures. SETTING University. PARTICIPANTS 8 female, 4 male with unilateral autogenous ACLr. MAIN OUTCOME MEASURES Bilateral measurements at 5 lower extremity locations and the anterior forearm: light touch (LT), vibration sense (VS), pressure pain threshold (PPT); knee active joint position sense (AJPS); adapted crossover hop for distance (ACHD). Intraclass correlation coefficients (ICC) determined reliability, defined as: poor (<0.50), moderate (0.50-0.75), good (0.75-0.90). RESULTS ACLr-side intra-rater/inter-rater ICCs ranged: LT, -0.27-0.80/-0.01-0.84; VS, 0.12-0.90/0.25-0.90; PPT, 0.49-0.98/0.86-0.99; AJPS, 0.15-0.79/0.55-0.87; ACHD, 0.98/0.99. Uninjured-side intra-rater/inter-rater ICCs ranged: LT, 0.12-0.66/-0.09-0.64; VS, 0.35-0.89/0.05-0.81; PPT, 0.65-0.99/0.45-0.95; AJPS, 0.07-0.81/0.37-0.99; ACHD, 0.99/0.98. CONCLUSIONS Intra-rater and inter-rater reliability was poor to good for both limbs. Overall, PPT and the ACHD demonstrated the highest ICCs. Some somatosensory assessments can be employed with confidence, while others should be used with caution.
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Affiliation(s)
- David J Kempfert
- College of Rehabilitative Sciences, University of St. Augustine for Health Sciences, St. Augustine, FL, 32086, United States.
| | - Eric J Chaconas
- Doctor of Science Physical Therapy Program, Bellin College, 3201 Eaton Rd, Green Bay, WI, 54311, United States.
| | - Matthew L Daugherty
- College of Rehabilitative Sciences, University of St. Augustine for Health Sciences, St. Augustine, FL, 32086, United States.
| | - Nicholas C Clark
- School of Sport, Rehabilitation, and Exercise Sciences, University of Essex, Wivenhoe Park, Colchester, Essex, C04 3SQ, United Kingdom.
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Hu S, Ma X, Ma X, Sun W, Zhou Z, Chen Y, Song Q. Relationship of strength, joint kinesthesia, and plantar tactile sensation to dynamic and static postural stability among patients with anterior cruciate ligament reconstruction. Front Physiol 2023; 14:1112708. [PMID: 36744033 PMCID: PMC9889938 DOI: 10.3389/fphys.2023.1112708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/09/2023] [Indexed: 01/20/2023] Open
Abstract
Objective: Postural stability is essential for high-level physical activities after anterior cruciate ligament reconstruction (ACLR). This study was conducted to investigate the relationship of muscle strength, joint kinesthesia, and plantar tactile sensation to dynamic and static postural stability among patients with anterior cruciate ligament reconstruction. Methods: Forty-four patients over 6 months post anterior cruciate ligament reconstruction (age: 27.9 ± 6.8 years, height: 181.7 ± 8.7 cm, weight: 80.6 ± 9.4 kg, postoperative duration: 10.3 ± 3.6 months) participated in this study. Their static and dynamic postural stability, muscle strength, hamstring/quadriceps ratio, joint kinesthesia, and plantar tactile sensation were measured. Partial correlations were used to determine the correlation of the above-mentioned variables with time to stabilization (TTS) and root mean square of the center of pressure (COP-RMS) in anterior-posterior (AP) and mediolateral (ML) directions. Results: Both TTSAP and TTSML were related to muscle strength and joint kinesthesia of knee flexion and extension; COP-RMSAP was correlated with plantar tactile sensations at great toe and arch, while COP-RMSML was correlated with joint kinesthesia of knee flexion, and plantar tactile sensation at great toe and heel. Dynamic stability was sequentially correlated with strength and joint kinesthesia, while static stability was sequentially correlated with plantar tactile sensation and joint kinesthesia. Conclusion: Among patients with anterior cruciate ligament reconstruction, strength is related to dynamic postural stability, joint kinesthesia is related to dynamic and static postural stability, and plantar tactile sensation is related to static postural stability. Strength has a higher level of relationship to dynamic stability than joint kinesthesia, and plantar tactile sensation has a higher level of relationship to static stability than joint kinesthesia.
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Affiliation(s)
- Shanshan Hu
- College of Sports and Health, Shandong Sport University, Jinan, China
| | - Xiaoli Ma
- College of Sports and Health, Shandong Sport University, Jinan, China
| | - Xiaoyuan Ma
- Department of Orthopedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Wei Sun
- College of Sports and Health, Shandong Sport University, Jinan, China
| | - Zhipeng Zhou
- College of Sports and Health, Shandong Sport University, Jinan, China
| | - Yan Chen
- College of Sports and Health, Shandong Sport University, Jinan, China
| | - Qipeng Song
- College of Sports and Health, Shandong Sport University, Jinan, China,*Correspondence: Qipeng Song,
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Samaan MA, Pedoia V, Tanaka MS, Souza RB, Benjamin Ma C, Li X. Hip-Knee Joint Coordination Patterns are Associated With Patellofemoral Joint Cartilage Composition in Patients With Anterior Cruciate Ligament Reconstruction. J Appl Biomech 2022;:1-9. [PMID: 35042183 DOI: 10.1123/jab.2021-0111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 10/27/2021] [Accepted: 11/29/2021] [Indexed: 11/18/2022]
Abstract
Joint coordination variability during walking that is associated with patellofemoral joint cartilage degeneration after anterior cruciate ligament reconstruction are not well understood. The purpose of this study was to assess between-limb differences in joint coordination variability and to determine the relationship of coordination variability with postoperative patellofemoral joint cartilage composition. Thirty-five patients underwent bilateral gait analysis and a magnetic resonance exam of the reconstructed knee joint at 6 months post anterior cruciate ligament reconstruction. Vector coding was used to assess coordination variability during the early (1%-33%), mid (34%-66%), and late (67%-100%) stance phase. The T1ρ/T2 mapping was used to evaluate the glycosaminoglycan-collagen matrix of the patellar and femoral trochlear cartilage. Compared with the uninjured limb, the reconstructed limb exhibited higher hip sagittal/knee sagittal plane coordination variability during midstance as well as higher knee sagittal/ankle sagittal plane coordination variability during both mid and late stance. The hip sagittal/knee sagittal plane coordination variability during midstance predicted 14.6% of the variance in patellar cartilage T1ρ values within the reconstructed limb. In addition, sex of participants was able to predict 32.4% and 13.7% of the variance in femoral trochlea T1ρ and T2 values, respectively. The study results demonstrate that a multijoint mechanism may be associated with early patellofemoral joint cartilage degeneration at 6 months after anterior cruciate ligament reconstruction.
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Lucas K, Todd P, Ness BM. A Multi-Systems Approach to Human Movement after ACL Reconstruction: The Integumentary System. Int J Sports Phys Ther 2021; 17:74-80. [PMID: 35024207 PMCID: PMC8720252 DOI: 10.26603/001c.29454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/01/2021] [Indexed: 11/18/2022] Open
Abstract
Postoperative management of anterior cruciate ligament (ACL) reconstruction has traditionally focused on the evaluation and intervention of musculoskeletal components such as range of motion and patients' reports of function. The integumentary system can provide early indications that rehabilitation may be prolonged due to protracted or poor healing of the incision sites. Full evaluation of the reconstruction over time, including direction of the incisions, appearance of surgical sites, level of residual innervation, and health of the individual should be considered when determining time-based goals and plans for returning an athlete to activity. Skin care techniques should be used to minimize strain and promote wound healing at the surgical sites, which in turn allows for implementation of other interventions that target other body systems such as locomotion, strength training, and cardiopulmonary conditioning. The integration of the integumentary system with cardiovascular, neurological, and muscular systems is required for a successful return to activity. A multi-physiologic systems approach may provide a unique viewpoint when aiming to attain a greater appreciation of the integumentary system and its integration with other body systems following ACL reconstruction. The purpose of this clinical commentary is to discuss integumentary considerations within a multi-physiologic systems approach to human movement after ACL reconstruction, including an anatomical review, key elements of assessment, and integrated intervention strategies. LEVEL OF EVIDENCE 5.
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Affiliation(s)
- Kathryn Lucas
- Kosair Charities Center for Pediatric NeuroRecovery, University of Louisville; Kentucky Spinal Cord Injury Research Center; Department of Neurological Surgery, University of Louisville
| | - Patricia Todd
- Department of Pediatrics, University of Louisville School of Medicine, Norton Children's Pediatric Dermatology
| | - Brandon M Ness
- Doctor of Physical Therapy Program, Tufts University School of Medicine
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Collins KA, Turner MJ, Hubbard-Turner T, Thomas AC. Gait and plantar sensation changes following massage and textured insole application in patients after anterior cruciate ligament reconstruction. Gait Posture 2020; 81:254-260. [PMID: 32829128 DOI: 10.1016/j.gaitpost.2020.08.117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 08/07/2020] [Accepted: 08/13/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Gait impairments following anterior cruciate ligament reconstruction (ACLR) may contribute to reinjury or future osteoarthritis development. Recently, plantar cutaneous sensation deficits have been reported post-ACLR. These sensory deficits may influence gait and represent a mechanism through which to improve gait. RESEARCH QUESTION Can established sensory interventions change sensation and gait in patients after ACLR and compared to healthy adults? METHODS Twenty-two adults (n = 11 post-ACLR, age:20.5 ± 1.9years, body mass index[BMI]:24.5 ± 3.6 kg/m2; n = 11 healthy, age:20.7 ± 1.4years, BMI:23.3 ± 2.7 kg/m2) completed two sessions separated by 48 h. Gait and plantar cutaneous sensation were assessed pre- and post-intervention (massage or textured insoles). Gait analysis was completed using 3D motion capture at 1.4 m/s ± 5% and standard inverse dynamics analysis. Plantar cutaneous sensation was assessed using Semmes Weinstein Monofilaments with a 4-2-1 stepping algorithm at the plantar aspect of the first metatarsal head, base of the fifth metatarsal, and lateral and medial malleoli. Plantar massage was a 5-minute massage to both feet. Textured insoles (coarse grit sandpaper) were worn while walking. Biomechanical data were assessed via mixed-models, repeated measures ANOVAs and 90 % confidence intervals. Wilcoxon Signed Rank tests and Mann-Whitney U tests evaluated plantar cutaneous sensation within and between groups, respectively. RESULTS Knee adduction moment was lower in the ACLR versus the contralateral limb pre-massage. The vGRF was lower during the first half of stance but greater during the second half of stance in the ACLR versus the control group post-massage. Massage improved ACLR limb sensation over the first metatarsal head (P = 0.042) and medial malleolus (P = 0.027). Textured insole application improved ACLR limb sensation over the first (P = 0.043) and fifth (P = 0.027) metatarsals and medial malleolus (P = 0.028). SIGNIFICANCE Plantar massage and textured insoles improved plantar cutaneous sensation in the ACLR limb. Neither intervention influenced gait. Improving plantar sensation may be beneficial for patients after ACLR; however, sensory interventions to improve gait are necessary.
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Affiliation(s)
- Katherine A Collins
- Biodynamics Research Laboratory, Department of Kinesiology, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Michael J Turner
- Laboratory of Systems Physiology, Department of Kinesiology, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Tricia Hubbard-Turner
- Biodynamics Research Laboratory, Department of Kinesiology, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Abbey C Thomas
- Biodynamics Research Laboratory, Department of Kinesiology, University of North Carolina at Charlotte, Charlotte, NC, USA.
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Nyland J, Huffstutler A, Faridi J, Sachdeva S, Nyland M, Caborn D. Cruciate ligament healing and injury prevention in the age of regenerative medicine and technostress: homeostasis revisited. Knee Surg Sports Traumatol Arthrosc 2020; 28:777-789. [PMID: 30888446 DOI: 10.1007/s00167-019-05458-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 02/28/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE This clinical concepts paper discusses the essential elements of cruciate ligament recuperation, micro-trauma repair, and remodeling. METHODS Cruciate ligament mechanobiology and tissue heterogeneity, anatomy and vascularity, and synovial membrane and fluid functions are discussed in relationship to deficiency-induced inflammatory responses, nervous and immune system function, recuperation, repair and remodeling, and modern threats to homeostasis. RESULTS Cruciate ligament surgical procedures do not appreciate the vital linked functions of the central, peripheral, and autonomic nervous systems and immune system function on knee ligament injury recuperation, micro-trauma repair, and remodeling. Enhanced knowledge of these systems could provide innovative ways to decrease primary non-contact knee injury rates and improve outcomes following reconstruction or primary repair. CONCLUSIONS Restoration of knee joint homeostasis is essential to cruciate ligament recuperation, micro-trauma repair, and remodeling. The nervous and immune systems are intricately involved in this process. Varying combinations of high-intensity training, under-recovery, technostress, and environmental pollutants (including noise) regularly expose many athletically active individuals to factors that abrogate the environment needed for cruciate ligament recuperation, micro-trauma repair, and remodeling. Current sports training practice, lifestyle psychobehaviors, and environmental factors combine to increase both primary non-contact knee injury risk and the nervous and immune system dysregulation that lead to poor sleep, increased anxiety, and poorly regulated hormone and cytokine levels. These factors may create a worst-case scenario leading to poor ligament recuperation, micro-trauma repair, and remodeling. Early recognition and modification of these factors may decrease knee ligament injury rates and improve cruciate ligament repair or reconstruction outcomes. LEVEL OF EVIDENCE V.
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Affiliation(s)
- John Nyland
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Louisville, 550 S. Jackson St., 1st Floor ACB, Louisville, KY, 40202, USA.
- Athletic Training Program, Kosair Charities College of Health and Natural Sciences, Spalding University, 901 South 4th Street, Louisville, KY, 40203, USA.
| | - Austin Huffstutler
- Athletic Training Program, Kosair Charities College of Health and Natural Sciences, Spalding University, 901 South 4th Street, Louisville, KY, 40203, USA
| | - Jeeshan Faridi
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Louisville, 550 S. Jackson St., 1st Floor ACB, Louisville, KY, 40202, USA
| | - Shikha Sachdeva
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Louisville, 550 S. Jackson St., 1st Floor ACB, Louisville, KY, 40202, USA
| | - Monica Nyland
- Athletic Training Program, Kosair Charities College of Health and Natural Sciences, Spalding University, 901 South 4th Street, Louisville, KY, 40203, USA
| | - David Caborn
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Louisville, 550 S. Jackson St., 1st Floor ACB, Louisville, KY, 40202, USA
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Blackburn JT, Pietrosimone B, Spang JT, Goodwin JS, Johnston CD. Somatosensory Function Influences Aberrant Gait Biomechanics Following Anterior Cruciate Ligament Reconstruction. J Orthop Res 2020; 38:620-628. [PMID: 31608488 DOI: 10.1002/jor.24495] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 10/04/2019] [Indexed: 02/04/2023]
Abstract
Osteoarthritis is common following anterior cruciate ligament reconstruction (ALCR), and aberrant gait biomechanics are considered a primary contributor. Somatosensory dysfunction potentially alters gait biomechanics, but this association is unclear. Therefore, the purposes of this investigation were to compare somatosensory function between limbs and evaluate associations between somatosensory function and gait biomechanics linked to osteoarthritis development in individuals with ALCR. Seventy-three volunteers with ALCR participated. Gait biomechanics (peak vertical ground reaction force magnitude and loading rate, peak internal knee extension and valgus moments, peak knee flexion and varus angles, and quadriceps/hamstrings co-activation) were assessed as subjects walked at their preferred speed. The somatosensory function was assessed via joint position sense error (knee flexion) and vibratory perception threshold (femoral epicondyles, malleoli, and first metatarsal). Though somatosensory function did not differ between the ACLR and contralateral limbs, poorer joint position sense in the ACLR limb was associated with lower loading rates and internal knee extension moments, and greater co-activation. Poorer vibratory perception at the medial and lateral malleoli and first metatarsal head in the ACLR limb was associated with lower loading rates, greater internal knee valgus moments and varus angles, and greater co-activation. Poorer vibratory perception at the medial malleolus and first metatarsal head in the contralateral limb was associated with greater peak knee varus angles and internal knee valgus moments. These results suggest that future research evaluating rehabilitation approaches for improving somatosensory function is warranted as a potential approach for restoring normal gait biomechanics and reducing osteoarthritis risk. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:620-628, 2020.
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Affiliation(s)
- Jonathan T Blackburn
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, 210 South Rd., CB#8700, Chapel Hill, North Carolina, 27599-8700.,Program in Human Movement Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Brian Pietrosimone
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, 210 South Rd., CB#8700, Chapel Hill, North Carolina, 27599-8700.,Program in Human Movement Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Jeffrey T Spang
- Department of Orthopaedics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | | | - Chris D Johnston
- Program in Human Movement Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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Hoch JM, Baez SE, Hoch MC. Examination of ankle function in individuals with a history of ACL reconstruction. Phys Ther Sport 2019; 36:55-61. [PMID: 30660900 DOI: 10.1016/j.ptsp.2019.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 10/31/2018] [Accepted: 01/07/2019] [Indexed: 01/06/2023]
Abstract
OBJECTIVE To determine the relationship between self-reported ankle and knee function, and to examine differences in ankle function between healthy and injured limbs in individuals with a history of ACL reconstruction (ACLR). DESIGN Cross-sectional. SETTING Laboratory. PARTICIPANTS A total of 18 adults with a history of ACLR. MAIN OUTCOME MEASURES Participants completed four patient-reported outcomes: the Knee Injury and Osteoarthritis Outcome (KOOS), the Fear-Avoidance Belief Questionnaire, the modified Disablement in the Physically Active Scale, and the Quick-Foot and Ankle Ability Measure (Quick-FAAM). Additional ankle function measures collected bilaterally included plantar cutaneous sensation, dorsiflexion range of motion and dorsiflexion and plantarflexion strength. RESULTS Three KOOS-subscales were significantly, moderately correlated to the Quick-FAAM for the injured limb. There were differences in the uninjured and injured Quick-FAAM scores. No other differences were observed in ankle function measures. CONCLUSIONS Self-reported ankle and knee function are correlated in participants with a history of ACLR. Clinicians should be made aware of the influence of this health condition on the distal joint, and treatment strategies to address these perceived impairments should be considered.
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Affiliation(s)
- Johanna M Hoch
- University of Kentucky, 206A Charles T Wethington Building, Lexington, KY, 40536, USA.
| | - Shelby E Baez
- University of Kentucky, 206 Charles T Wethington Building, Lexington, KY, 40536, USA
| | - Matthew C Hoch
- Sports Medicine Research Institute, University of Kentucky, 720 Sports Center Drive, Lexington, KY, 40536, USA
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Wikstrom EA, Song K, Pietrosimone BG, Blackburn JT, Padua DA. Visual Utilization During Postural Control in Anterior Cruciate Ligament- Deficient and -Reconstructed Patients: Systematic Reviews and Meta-Analyses. Arch Phys Med Rehabil 2017; 98:2052-2065. [PMID: 28483655 DOI: 10.1016/j.apmr.2017.04.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/07/2017] [Accepted: 04/14/2017] [Indexed: 01/13/2023]
Abstract
OBJECTIVE To determine whether anterior cruciate ligament-deficient (ACL-D) individuals and individuals with a reconstructed anterior cruciate ligament (ACL-R) rely more heavily on visual information to maintain postural control. DATA SOURCES PubMed, CINAHL, and SPORTDiscus databases were searched from their earliest available date to May 24, 2016, using a combination of keywords. STUDY SELECTION Articles were included if they reported any instrumented static single-leg balance outcome in both a patient and control sample. The means and SDs of these outcomes must have been reported with both eyes open and eyes closed. DATA EXTRACTION Sample sizes, means, and SDs of single-leg balance measures for each group's eyes open and eyes closed testing conditions were extracted. The methodological quality of included studies was independently evaluated by multiple authors using an adapted version of the Quality Index. DATA SYNTHESIS Effect sizes were calculated by dividing the differences in change between eyes closed and eyes open in the ACL-D and control group and the ACL-R and control group by the pooled SD from the eyes closed trials for each analysis. Significant differences between the ACL-D and control group (effect size, -1.66; 95% confidence interval [CI], -2.90 to -.41) were noted. The ACL-R and control group were not different (effect size, -.61; 95% CI, -2.17 to .95). CONCLUSIONS ACL-D individuals but not individuals with ACL-R demonstrate a greater reliance on visual information during single-leg stance compared with healthy individuals.
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Affiliation(s)
- Erik A Wikstrom
- Department of Exercise & Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC.
| | - Kyeongtak Song
- Department of Exercise & Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Brian G Pietrosimone
- Department of Exercise & Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - J Troy Blackburn
- Department of Exercise & Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Darin A Padua
- Department of Exercise & Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC
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Abstract
PURPOSE A 4-2-1 stepping algorithm reliably captures light touch thresholds but has not been used to assess two-point discrimination (TPD) thresholds. Therefore, the purpose of this investigation was to determine the intra- and inter-rater reliability of a 4-2-1 stepping algorithm at determining TPD thresholds. MATERIALS AND METHODS Fifteen healthy, physically active young adults were assessed twice over a 1-week period using digital calipers and a 4-2-1 stepping algorithm. TPD thresholds were assessed by an expert and a novice examiner at each time point. Reliability was assessed on the plantar surface of the foot at the head of the first and base of the fifth metatarsal. RESULTS Three intra-rater intraclass correlation coefficient (ICC) values exceeded 0.75 and were interpreted as good. The inter-rater reliability was good with ICC values ranging from 0.76 to 0.93 at both sites during both test sessions. CONCLUSIONS The 4-2-1 stepping algorithm demonstrates good intra- and inter-tester reliability at determining TPD thresholds on the plantar surface of the foot at the head of the first and base of the fifth metatarsal in young healthy adults.
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Affiliation(s)
- Erik A Wikstrom
- a Department of Exercise & Sport Science , University of North Carolina at Chapel Hill , Chapel Hill , NC , USA
| | - Gary Allen
- a Department of Exercise & Sport Science , University of North Carolina at Chapel Hill , Chapel Hill , NC , USA
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