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Tsujimoto N, Nunome H, Mizuno T, Inoue K, Matsui K, Matsugi R, Ikegami Y. Mechanical factors affecting the foot eversion moment during the stance phase of running in non-rearfoot strikers. Sports Biomech 2019; 20:290-303. [PMID: 30693850 DOI: 10.1080/14763141.2018.1548639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This study aimed to identify the primary factors that induce rearfoot external eversion moments due to ground reaction force (GRF) in non-rearfoot strikers. The data were compared with those of rearfoot strikers. Totally, 11 healthy males who were habitually non-rearfoot strikers ran barefoot. Rearfoot external eversion/inversion moments due to GRF (Mtot) were decomposed into two components based on mediolateral (Mxy) and vertical (Mz) GRFs. The height of the ankle joint centre and the mediolateral distance from the centre of pressure (COP) to the ankle joint centre (a_cop) were calculated as the lever arms to the Mxy and Mz components. Just after foot contact, non-rearfoot strikers demonstrated a significantly larger Mz, which was strongly dependent on a_cop and produced most of the Mtot, whereas Mxy dominated Mtot in rearfoot strikers. During the consecutive loading phase, non-rearfoot strikers demonstrated a significantly larger Mxy, which was strongly dependent on the mediolateral GRF and substantially contributed to Mtot, unlike the rearfoot strikers, whose Mtot was almost dominated by Mz during the loading phase. It was found that since the factor of generating the moment differs depending on the foot contact pattern, the strategies for suppressing the moment may be different for each foot contact pattern.
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Affiliation(s)
- Norio Tsujimoto
- Faculty of Sports and Health Sciences, Fukui University of Technology , Fukui, Japan
| | - Hiroyuki Nunome
- Faculty of Sports and Health Science, Fukuoka University , Fukuoka, Japan
| | - Takamasa Mizuno
- Research Center of Health, Physical Fitness & Sports, Nagoya University , Nagoya, Japan
| | - Koichiro Inoue
- Faculty of Education, Art and Science, Yamagata University , Yamagata, Japan
| | - Kazuhiro Matsui
- National Institute of Technology, Fukui College , Sabae, Japan
| | - Ryo Matsugi
- Hokuriku Institute of Wellness and Sports Sciences , Komatsu, Japan
| | - Yasuo Ikegami
- Faculty of Health and Medical Sciences, Aichi Shukutoku University , Nagakute, Japan
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van Zantvoort AP, Cuppen P, Scheltinga MR. Management and patients perspective regarding a common peroneal nerve schwannoma: a rare cause of lower leg pain in a young individual. BMJ Case Rep 2017; 2017:bcr-2017-220704. [PMID: 28978583 DOI: 10.1136/bcr-2017-220704] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The differential diagnosis of exercise-induced lower leg pain in young individuals is extensive and includes entities such as chronic exertional compartment syndrome, popliteal arterial entrapment syndrome, cystic adventitial disease, medial tibial stress syndrome and tibial stress fractures. Peripheral nerve-related lower leg pain syndromes are unusual. We present a 41-year-old woman who was diagnosed with an ancient schwannoma of the right common peroneal nerve (CPN) as a rare cause of lower leg pain. This case report provides simple diagnostic bedside tools that may be used to diagnose CPN abnormalities. Altered lateral lower leg skin sensation was found using a simple cotton swab, whereas a nodule was palpated at the fibular head. A positive Tinel sign indicated CPN dysfunction. MRI confirmed the diagnosis. Surgical resection is simple and curative.
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Affiliation(s)
- Aniek Pm van Zantvoort
- Department of Surgery, Máxima Medisch Centrum, Veldhoven, Noord Brabant, The Netherlands
| | - Paul Cuppen
- Department of Musculoskeletal Medicine, Cheiron Medisch Centrum Waalre, Waalre, Noord Brabant, The Netherlands
| | - Marc R Scheltinga
- Department of Surgery, Máxima Medisch Centrum, Veldhoven, Noord Brabant, The Netherlands
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van Zantvoort APM, de Bruijn JA, Winkes MB, Hoogeveen AR, Teijink JAW, Scheltinga MR. Role of Repeat Muscle Compartment Pressure Measurements in Chronic Exertional Compartment Syndrome of the Lower Leg. Orthop J Sports Med 2017; 5:2325967117711121. [PMID: 28634595 PMCID: PMC5468764 DOI: 10.1177/2325967117711121] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND The diagnostic gold standard for diagnosing chronic exertional compartment syndrome (CECS) is a dynamic intracompartmental pressure (ICP) measurement of the muscle. The potential role of a repeat ICP (re-ICP) measurement in patients with persistent lower leg symptoms after surgical decompression or with ongoing symptoms after an earlier normal ICP is unknown. PURPOSE To study whether re-ICP measurements in patients with persistent CECS-like symptoms of the lower leg may contribute to the diagnosis of CECS after both surgical decompression and a previously normal ICP measurement. STUDY DESIGN Case series; Level of evidence, 4. METHODS Charts of patients who underwent re-ICP measurement of lower leg compartments (anterior [ant], deep posterior [dp], and/or lateral [lat] compartments) between 2001 and 2013 were retrospectively studied. CECS was diagnosed on the basis of generally accepted cutoff pressures for newly onset CECS (Pedowitz criteria: ICP at rest ≥15 mmHg, ≥30 mmHg after 1 minute, or ≥20 mmHg 5 minutes after a provocative test). Factors predicting recurrent CECS after surgery or after a previously normal ICP measurement were analyzed. RESULTS A total of 1714 ICP measurements were taken in 1513 patients with suspected CECS over a 13-year observation period. In all, 201 (12%) tests were re-ICP measurements for persistent lower leg symptoms. Based on the proposed ICP cutoff values, CECS recurrence was diagnosed in 16 of 62 previously operated compartments (recurrence rate, 26%; 53 patients [64% female]; median age, 24 years; age range, 15-78 years). Recurrence rates were not different among the 3 lower leg CECS compartments (ant-CECS, 17%; dp-CECS, 33%; lat-CECS, 30%; χ2 = 1.928, P = .381). Sex (χ2 = 0.058, P = .810), age (U = 378, z = 1.840, P = .066), bilaterality (χ2 = 0.019, P = .889), and prefasciotomy ICP did not predict recurrence. Re-ICP measurements evaluating 20 compartments with previously normal ICP measurements (15 patients [53% female]; mean age, 31 ± 10 years) detected CECS in 3 compartments (15%, all ant-CECS). CONCLUSION Previous fasciotomy for lower leg CECS or previously normal muscle pressure (ICP) do not rule out CECS as a cause of persisting lower leg symptoms. Repeat ICP measurement may have a potential role in the evaluation of patients with persistent lower leg complaints. However, other reasons for lower leg exertional pain must always be considered prior to secondary surgery.
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Affiliation(s)
- Aniek P. M. van Zantvoort
- Department of Surgery, Máxima Medical Center, Eindhoven/Veldhoven, the Netherlands
- Caphri Research School, Maastricht University, Maastricht, the Netherlands
| | - Johan A. de Bruijn
- Department of Surgery, Máxima Medical Center, Eindhoven/Veldhoven, the Netherlands
- Caphri Research School, Maastricht University, Maastricht, the Netherlands
| | - Michiel B. Winkes
- Department of Surgery, Máxima Medical Center, Eindhoven/Veldhoven, the Netherlands
- Caphri Research School, Maastricht University, Maastricht, the Netherlands
| | - Adwin R. Hoogeveen
- Department of Sports Medicine, Máxima Medical Center, Eindhoven/Veldhoven, the Netherlands
| | - Joep A. W. Teijink
- Caphri Research School, Maastricht University, Maastricht, the Netherlands
- Department of Surgery, Catharina Hospital, Eindhoven, the Netherlands
| | - Marc R. Scheltinga
- Department of Surgery, Máxima Medical Center, Eindhoven/Veldhoven, the Netherlands
- Caphri Research School, Maastricht University, Maastricht, the Netherlands
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Noh B, Masunari A, Akiyama K, Fukano M, Fukubayashi T, Miyakawa S. Structural deformation of longitudinal arches during running in soccer players with medial tibial stress syndrome. Eur J Sport Sci 2014; 15:173-81. [PMID: 25014846 DOI: 10.1080/17461391.2014.932848] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The purpose of this study was to compare angular change and translational motion from the medial longitudinal arch (MLA) and lateral longitudinal arch (LLA) during running between medial tibial stress syndrome (MTSS) and non-MTSS subjects. A total of 10 subjects volunteered, comprising 5 subjects with MTSS and 5 subjects without injury (non-MTSS) as the control group. All subjects performed the test movement that simulated running. Fluoroscopic imaging was used to investigate bone movement during landing in running. Sagittal motion was defined as the angular change and translational motion of the arch. A Mann-Whitney U-test was performed to determine the differences in the measured values between the MTSS and non-MTSS groups. The magnitude of angular change for the MLA and LLA was significantly greater for subjects with MTSS than for control subjects. Translational motion of the MLA and LLA of the MTSS group was also significantly greater than that of the non-MTSS group (all p < 0.05). Soccer players with MTSS have an abnormal structural deformation of foot during support (or stance) phase of running, with a large decrease in both the MLA and LLA. This abnormal motion could be a risk factor for the development of MTSS in these subjects.
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Affiliation(s)
- Byungjoo Noh
- a Department of Sports Medicine, Graduate School of Comprehensive Human Sciences , University of Tsukuba , Ibaraki , Japan
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Schinkel-Ivy A, Altenhof WJ, Andrews DM. Validation of a full body finite element model (THUMS) for running-type impacts to the lower extremity. Comput Methods Biomech Biomed Engin 2012; 17:137-48. [PMID: 22519546 DOI: 10.1080/10255842.2012.672562] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Willems TM, De Clercq D, Delbaere K, Vanderstraeten G, De Cock A, Witvrouw E. A prospective study of gait related risk factors for exercise-related lower leg pain. Gait Posture 2006; 23:91-8. [PMID: 16311200 DOI: 10.1016/j.gaitpost.2004.12.004] [Citation(s) in RCA: 157] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/11/2004] [Indexed: 02/02/2023]
Abstract
The purpose of this study was to determine prospectively gait related risk factors for exercise-related lower leg pain (ERLLP) in 400 physical education students. Static lower leg alignment was determined, and 3D gait kinematics combined with plantar pressure profiles were collected. After this evaluation, all sports injuries were registered by the same sports physician during the duration of the study. Forty six subjects developed ERLLP and 29 of them developed bilateral symptoms thus giving 75 symptomatic lower legs. Bilateral lower legs of 167 subjects who developed no injuries in the lower extremities served as controls. Cox regression analysis revealed that subjects who developed ERLLP had an altered running pattern before the injury compared to the controls and included (1) a significantly more central heel-strike, (2) a significantly increased pronation, accompanied with more pressure underneath the medial side of the foot, and (3) a significantly more lateral roll-off. These findings suggest that altered biomechanics play a role in the genesis of ERLLP and thus should be considered in prevention and rehabilitation.
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Affiliation(s)
- T M Willems
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Belgium.
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Thacker SB, Gilchrist J, Stroup DF, Kimsey CD. The prevention of shin splints in sports: a systematic review of literature. Med Sci Sports Exerc 2002; 34:32-40. [PMID: 11782644 DOI: 10.1097/00005768-200201000-00006] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To review the published and unpublished evidence regarding risk factors associated with shin splints, assess the effectiveness of prevention strategies, and offer evidence-based recommendations to coaches, athletes, and researchers. METHODS We searched electronic data bases without language restriction, identified citations from reference sections of research papers retrieved, contacted experts in the field, and searched the Cochrane Collaboration. Of the 199 citations identified, we emphasized results of the four reports that compared methods to prevent shin splints. We assessed the methodologic quality of these reports by using a standardized instrument. RESULTS The use of shock-absorbent insoles, foam heel pads, heel cord stretching, alternative footwear, as well as graduated running programs among military recruits have undergone assessment in controlled trials. There is no strong support for any of these interventions, and each of the four controlled trials is limited methodologically. Median quality scores in these four studies ranged from 29 to 47, and serious flaws in study design, control of bias, and statistical methods were identified. CONCLUSION Our review yielded little objective evidence to support widespread use of any existing interventions to prevent shin splints. The most encouraging evidence for effective prevention of shin splints involves the use of shock-absorbing insoles. However, serious flaws in study design and implementation constrain the work in this field thus far. A rigorously implemented research program is critically needed to address this common sports medicine problem.
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Affiliation(s)
- Stephen B Thacker
- National Center for Injury Prevention and Control, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA.
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Forst R, Forst J, Heller KD. Ipsilateral peroneus brevis tendon grafting in a complicated case of traumatic rupture of tibialis anterior tendon. Foot Ankle Int 1995; 16:440-4. [PMID: 7550960 DOI: 10.1177/107110079501600712] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Ruptures of tibialis anterior tendon can be caused by open, closed, direct, or indirect trauma, as well as spontaneously. Sixty-three cases of tibialis anterior tendon ruptures have been reported in the international literature. The treatment of choice is the surgical end-to-end or side-to-side anastomosis after previous Z-lengthening. The case of a 28-year-old world-class female triathlete who sustained an open laceration of the tibialis anterior tendon from the bicycle chain guard is reported. The primarily applied tendon suture became infected and a wound revision with wide resection of the tendon stumps was necessary. This lead to an extensive defect of the tendon combined with a deep-seated keloidal scar reaction of the skin. The surgical closure was performed using free ipsilateral peroneus brevis tendon grafting. Four months after the operation the patient was completely rehabilitated. Eight months later she became the second European triathlon champion.
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Affiliation(s)
- R Forst
- Orthopaedic Clinic, Medical Faculty RWTH Aachen, Germany
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Abstract
Two-thirds of Achilles tendon injuries in competitive athletes are paratenonitis and one-fifth are insertional complaints (bursitis and insertion tendinitis). The remaining afflictions consist of pain syndromes of the myotendineal junction and tendinopathies. The majority of Achilles tendon injuries from sport occur in males, mainly because of their higher rates of participation in sport, but also with tendinopathies a gender difference is probably indicated. Athletes in running sports have a high incidence of Achilles tendon overuse injuries. About 75% of total and the majority of partial tendon ruptures are related to sports activities usually involving abrupt repetitive jumping and sprinting movements. Mechanical factors and a sedentary lifestyle play a role in the pathology of these injuries. Achilles tendon overuse injuries occur at a higher rate in older athletes than most other typical overuse injuries. Recreational athletes with a complete Achilles tendon rupture are about 15 years younger than those with other spontaneous tendon ruptures. Following surgery, about 70 to 90% of athletes have a successful comeback after Achilles tendon injury. Surgery is required in about 25% of athletes with Achilles tendon overuse injuries and the frequency of surgery increases with patient age and duration of symptoms as well as occurrence of tendinopathic changes. However, about 20% of injured athletes require a re-operation for Achilles tendon overuse injuries, and about 3 to 5% are compelled to abandon their sports career because of these injuries. Myotendineal junction pain should be treated conservatively. Partial Achilles tendon ruptures are primarily treated conservatively, although the best treatment method of chronic partial rupture seems to be surgery. Complete Achilles tendon ruptures of athletes are treated surgically, because this increases the likelihood of athletes reaching preinjury activity levels and minimises the risk of re-ruptures. Marked forefoot varus is found in athletes with Achilles tendon overuse injuries, reflecting the predisposing role of ankle joint overpronation. Athletes with the major stress in lower extremities have often a limited range of motion in the passive dorsiflexion of the ankle joint and total subtalar joint mobility, which seems to be predisposing factor for these injuries. Various predisposing transient factors are found in about one-third of athletes with Achilles tendon overuse injuries; of these, traumatic factors (mostly minor injuries) predominate. The typical histological features of chronically inflamed paratendineal tissue of the Achilles tendon are profound proliferation of loose, immature connective tissue and marked obliterative and degenerative alterations in the blood vessels. These changes cause continuing leakage of plasma proteins, which may have an important role in the pathophysiology of these injuries. The chronically inflamed paratendineal tissues of the Achilles tendon do not seem to have enough capacity to form mature connective tissue.
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Affiliation(s)
- M Kvist
- Sports Medical Research Unit, Paavo Nurmi Centre, University of Turku, Finland
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Beck BR, Osternig LR. Medial tibial stress syndrome. The location of muscles in the leg in relation to symptoms. J Bone Joint Surg Am 1994; 76:1057-61. [PMID: 8027114 DOI: 10.2106/00004623-199407000-00015] [Citation(s) in RCA: 79] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The legs of fifty cadavera were dissected to identify accurately the structures that attach to the tibia at the site of symptoms of medial tibial stress syndrome and that could potentially contribute to this condition. The origins of the soleus, the flexor digitorum longus, and the tibialis posterior muscles as well as that of the deep crural fascia were measured. The average sites of attachment and the ranges of attachment were determined for each structure. The soleus, the flexor digitorum longus, and the deep crural fascia were found to attach most frequently at the site where symptoms of medial tibial stress syndrome occur, while in no specimen was the tibialis posterior found to attach at this site. The data support recent reports that the soleus is probably the major contributor to traction-induced medial tibial stress syndrome. The data also contradict the contention that the tibialis posterior may contribute to this particular condition.
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Affiliation(s)
- B R Beck
- Department of Exercise and Movement Science, University of Oregon, Eugene 97403
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Abstract
In brief Shin splints, or more precisely, medial tibial stress syndrome (MTSS), are painful and troublesome. Despite treatment or activity modification, they often recur. Distinguishing MTSS, the most common running overuse injury, from other overuse injuries can help focus treatment, which starts conservatively. Recommending activity modification, ice massage, NSAIDs, and stretching is a good first step. Patients who don't respond to treatment may need additional diagnostic workup and more restrictive activity guidelines.
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Abstract
Many sport and movement activities contain a jumping component which necessitates landing. Several injury surveys across a variety of jump sports have identified the lower extremities and specifically the knee joint as being a primary injury site. Factors which might contribute to the frequency and severity of such injuries include stresses to which the body is subjected during performance (forces and torques), body position at landing, performance execution and landing surface. Most of the initial landing studies were primarily descriptive in nature with many of the more recent efforts being directed toward identifying the specific performance factors that could account for the observed system stresses. Continued investigations into landing are necessary to more thoroughly understand the force attenuation mechanisms and critical performance variables associated with lower extremity injuries.
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Affiliation(s)
- J S Dufek
- Department of Exercise and Movement Science, University of Oregon, Eugene
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Schwellnus MP, Jordaan G, Noakes TD. Prevention of common overuse injuries by the use of shock absorbing insoles. A prospective study. Am J Sports Med 1990; 18:636-41. [PMID: 2285093 DOI: 10.1177/036354659001800614] [Citation(s) in RCA: 160] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Sedentary individuals, particularly new military recruits, who start a physical training program have a substantial risk of developing an overuse injury of the lower limb. In this study we investigated the effect of neoprene insoles on the incidence of overuse injuries during 9 weeks of basic military training. The experimental group consisted of 237 randomly selected new recruits, while 1151 recruits were the control group. Insoles were given to the experimental group and compliance was monitored. A panel of doctors documented and classified all injuries occurring during the 9 week period. A total of 54 (22.8%) and 237 (31.9%) injuries were reported in the experimental and control groups, respectively. In both groups, the majority of injuries were overuse (experimental group, 90.7%; control group, 86.4%). The mean weekly incidence of total overuse injuries and tibial stress syndrome was significantly lower (P less than 0.05) in the experimental group. The mean incidence of stress fractures was lower in the experimental group but not significantly so (0.05 less than P less than 0.1). This study shows that the incidence of total overuse injuries and tibial stress syndrome during 9 weeks of basic military training can be reduced by wearing insoles.
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Affiliation(s)
- M P Schwellnus
- MRC/UCT Bioenergetics of Exercise Research Unit, University of Cape Town Medical School, South Africa
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