Related Pathologies

Equnius has been associated with 96.5 percent of all biomechanically-related lower extremity pathologies. The lower extremity pathologies listed below have shown to have an equinus component.

Lower Extremity Orthopedic Pathology Related to Equinus Reference(s)
Plantar heel pain/plantar fasciitis 1, 2, 5, 6, 7, 8, 9, 10, 58, 59, 60, 61, 62, 63, 64, 65, 67, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 88, 101, 102, 103, 111, 126, 127, 128, 136
Achilles tendonitis/tendonosis 1, 11, 12, 13, 21, 22, 57, 77, 78, 129, 130, 131, 136, 138, 140, 141, 142
Posterior tibial tendon dysfunction/Adult flat foot deformity 2, 10, 14, 15, 16, 17, 18, 19, 20, 35, 36, 57, 78, 79, 128, 136, 139, 143
Muscle strains 23
Stress fractures 22, 24, 48, 88
Shin splints/Medial tibial stress syndrome 22, 24, 25, 46, 88
Iliotibial band syndrome 24, 25
Patellofemoral syndrome 26, 88
Ankle sprains/fractures 27
Diabetic foot ulcers 28, 29, 30, 31, 32, 39, 43, 78, 79, 122, 123, 124, 132, 133, 134, 135, 136
Charcot deformity 33, 34, 37, 38, 39
Metatarsalgia 1, 2, 10, 16, 20, 36, 41, 62, 78, 126, 127, 128, 136, 137
MPJ synovitis/PDS 10
Hallux abducto valgus 1, 2, 16, 20, 40, 52, 66, 78, 128
Hammer toes/Claw toes 20, 44, 78
Lis Franc's/Midfoot arthrosis 35, 53, 78, 136
Hallux limitus/Hallux rigidus 20, 68
Forefoot calluses 1, 20
Morton's neuroma 38, 45, 78
Chronic ankle instability 47, 88
Poor balance/Increased fall rate in elderly 49, 89
Sever's disease 50, 51
Pediatric flatfoot 54, 55, 139, 143
Lateral foot pain 1
Genu recurvatum 38, 41
Low back pain 38
Arch pain 62
Ankle arthrosis 78, 79
Subtalar arthrosis 78
Sesamoiditis 78
Anterior compartment syndrome 88
Forefoot nerve entrapment 125

 

LITERATURE

References:

  1. Hill R. Ankle equinus. Prevalence and linkage to common foot pathology. Journal of the American Podiatric Medical Association 1995; 85: 295-300.
  2. DiGiovanni C, Kuo R, Tejwani N et al. Isolated gastrocnemius tightness. J Bone Joint Surg Am 2002; 84: 962-970.
  3. Lundgren P, Nester C, Liu A et al. Invasive in vivo measurement of rear-, mid- and forefoot motion during walking. Gait & Posture 2008; 28: 93-100.
  4. Evans A, and Scutter S. Sagittal Plane Range of Motion of the Pediatric Ankle Joint. Journal of the American Podiatric Medical Association 2006; 96: 418-422.
  5. Patel A, DiGiovanni B. Association Between Plantar Fasciitis and Isolated Contracture of the Gastrocnemius. Foot Ankle Int 2011; 32: 5-8.
  6. Maskill J, Maskill J, Bohay D, Anderson J. Gastrocnemius Recession to Treat Isolated Foot Pain. Foot Ankle Int 2010; 31: 19-23.
  7. Singh D, Angel J, Bentley G, Trevino S. Fortnightly review: Plantar fasciitis. BMJ 1997; 315: 172-175.
  8. Kibler W. Goldberg C, Chandler T. Functional biomechanical deficits in running athletes with plantar fasciitis. The American Journal of Sports Medicine 1991; 19: 66-71.
  9. Riddle D, Pulisic M, Pidcoe P, Johnson R. Risk factors for plantar fasciitis: a matched case-control study. J Bone Joint Surg Am 2003; 85: 872-877.
  10. Stotler W, Van Bergeyk A, Manoli A. Preliminary results of gastrocnemius recession in adults with nonspastic equinus contracture. In: American Orthopaedic Foot and Ankle Society 18th Annual Summer Meeting. 2002.
  11. Verrall G, Schofield S, Brustad T. Chronic Achilles Tendinopathy Treated With Eccentric Stretching Program. Foot Ankle Int 2011; 32: 843-849.
  12. Amis J. The Gastrocnemius. Foot and Ankle Clinics 2014; 19: 637-647.
  13. Gurdezi S, Kohls-Gatzoulis J, Solan M. Results of Proximal Medial Gastrocnemius Release for Achilles Tendinopathy. Foot & Ankle International 2013; 34: 1364-1369.
  14. Alvarez R, Marini A, Schmitt C, Saltzman C. Stage I and II posterior tibial tendon dysfunction treated by a structured nonoperative management protocol: an orthosis and exercise program. Foot & Ankle International 2006; 27: 2-8.
  15. Aronow M. Triceps Surae Contractures Associated With Posterior Tibial Tendon Dysfunction. Techniques in Orthopaedics 2000; 15: 164-173.
  16. Downey M, Banks A. Gastrocnemius recession in the treatment of nonspastic ankle equinus. A retrospective study. Journal of the American Podiatric Medical Association 1989; 79: 159-174.
  17. Harris R, Beath T. Hypermobile flatfoot with short tendo Achilles. J Bone Joint Surg Am 1948; 30: 116-150.
  18. Hibbs R. Muscle bound feet. NY Med J 1914; 17: 797–799.
  19. Hoke M. An operation for the correction of extremely relaxed flat feet. The Journal of Bone & Joint Surgery 1931; 13: 773-783.
  20. Sgarlato T, Morgan J, Shane H, Frenkenberg A. Tendo achillis lengthening and its effect on foot disorders. Journal of the American Podiatric Medical Association 1975; 65: 849-871.
  21. Kaufman K, Brodine S, Shaffer R, Johnson C, Cullison T. The effect of foot structure and range of motion on musculoskeletal overuse injuries. The American Journal of Sports Medicine 1999; 27: 585-593.
  22. Wilder R, Sethi S. Overuse injuries: tendinopathies, stress fractures, compartment syndrome, and shin splints. Clinics in Sports Medicine 2004; 23: 55-81.
  23. Ekstrand J, Gillquist J. The frequency of muscle tightness and injuries in soccer players. The American Journal of Sports Medicine 1982; 10: 75-78.
  24. Neely F. Biomechanical Risk Factors for Exercise-Related Lower Limb Injuries*. Sports Medicine 1998; 26: 395-413.
  25. Messier S, Pittala K. 1988. Etiologic factors associated with selected running injuries. Medicine & Science in Sports & Exercise 1988; 20:  501–505.
  26. Lun V. Relation between running injury and static lower limb alignment in recreational runners. British Journal of Sports Medicine 2004; 38: 576-580.
  27. Tabrizi P, McIntyre W, Quesnel M, Howard A. Limited dorsiflexion predisposes to injuries of the ankle in children. The Journal of Bone and Joint Surgery 2000; 82: 1103-1106.
  28. Armstrong D, Stacpoole-Shea S, Nguyen H, Harkless L. Lengthening of the Achilles tendon in diabetic patients who are at high risk for ulceration of the foot. The Journal of Bone & Joint Surgery 1999; 81: 535-8.
  29. Barry D, Sabacinski K, Habershaw G, Giurini J, Chrzan J. Tendo Achillis procedures for chronic ulcerations in diabetic patients with transmetatarsal amputations. Journal of the American Podiatric Medical Association 1993; 83: 96-100.
  30. Lin S, Lee T, Wapner K. Plantar forefoot ulceration with equinus deformity of the ankle in diabetic patients: The effect of tendo-Achilles lengthening and total contact casting. Orthopedics 1996; 19: 465-475.
  31. Mueller M, Sinacore D, Hastings M, Strube M, Johnson J. Effect of Achilles tendon lengthening on neuropathic plantar ulcers. A randomized clinical trial. J Bone Joint Surg Am 2003; 85: 1436-1445.
  32. Nishimoto G, Attinger C, Cooper P. Lengthening the Achilles tendon for the treatment of diabetic plantar forefoot ulceration. Surgical Clinics of North America 2003; 83: 707-726.
  33. Early J, Hansen S. Surgical Reconstruction of the Diabetic Foot: A Salvage Approach for Midfoot Collapse. Foot & Ankle International 1996; 17: 325-330.
  34. Schon L, Easley M, Weinfeld B. Charcot neuroarthropathy of the foot and ankle. Clinical Orthopaedics and Related Research 1998; 349: 116-131.
  35. Hansen S. Functional reconstruction of the foot and ankle. Philadelphia: Lippincott Williams & Wilkins, 2000.
  36. Subotnick S. Equinus deformity as it affects the forefoot. Journal of the American Podiatric Medical Association 1971; 61: 423-427.
  37. Banks A, McGlamry E. Charcot foot. J Am Podiatr Med Assoc 1989; 79: 213–235.
  38. McGlamry E, Banks A. McGlamry's comprehensive textbook of foot and ankle surgery. Philadelphia: Lippincott Williams & Wilkins, 2001.
  39. Grant W, Sullivan R, Sonenshine D et al. Electron microscopic investigation of the effects of diabetes mellitus on the Achilles tendon. The Journal of Foot and Ankle Surgery 1997; 36: 272-278.
  40. Hansen S. Hallux valgus surgery. Morton and Lapidus were right. Clin Podiatr Med Surg 1996; 13: 347–354.
  41. Barouk P, Barouk L. Clinical diagnosis of gastrocnemius tightness. Foot and Ankle Clinics 2014; 19: 659-667.
  42. Jordan R, Cooper M, Schuster R. Ankle dorsiflexion at the heel-off phase of gait: a photokinegraphic study. Journal of the American Podiatric Medical Association 1979; 69: 40-46.
  43. Lavery L, Armstrong D, Boulton A. Ankle Equinus Deformity and Its Relationship to High Plantar Pressure in a Large Population with Diabetes Mellitus. Journal of the American Podiatric Medical Association 2002; 92: 479-482.
  44. Green D, Ruch J, McGlamry E. Correction of equinus-related forefoot deformities: a case report. Journal of the American Podiatric Medical Association 1976; 66: 768-780.
  45. Root M, Orien W, Weed J. Normal and abnormal function of the foot. Los Angeles: Clinical Biomechanics Corp., 1977.
  46. Lilletvedt J, Kreighbaum E, Phillips R. Analysis of selected alignment of the lower extremity related to the shin splint syndrome. Journal of the American Podiatric Medical Association 1979; 69: 211-217.
  47. Pope R, Herbert R, Kirwan J. Effects of ankle dorsiflexion range and pre-exercise calf muscle stretching on injury risk in Army recruits. Australian Journal of Physiotherapy 1998; 44: 165-172.
  48. Fredericson M. Common Injuries in Runners. Sports Medicine 1996; 21: 49-72.
  49. Gajdosik R, Vander Linden D, McNair P, Williams A, Riggin T. Effects of an eight-week stretching program on the passive-elastic properties and function of the calf muscles of older women. Clinical Biomechanics 2005; 20: 973-983.
  50. Becerro de Bengoa Vallejo R, Losa Iglesias M, Rodriguez Sanz D, Prados Frutos J, Salvadores Fuentes P, Chicharro J. Plantar pressures in children with and without Sever's disease. Journal of the American Podiatric Medical Association 2011; 101: 17-24.
  51. Szames S, Forman W, Oster J, Eleff J, Woodward P. Sever's disease and its relationship to equinus: a statistical analysis. Clinics in podiatric medicine and surgery 1990; 7: 377-384.
  52. Holstein A. Hallux Valgus--An Acquired Deformity of the Foot in Cerebral Palsy. Foot & Ankle International 1980; 1: 33-38.
  53. Nemec S, Habbu R, Anderson J, Bohay D. Outcomes Following Midfoot Arthrodesis for Primary Arthritis. Foot Ankle Int 2011; 32: 355-361.
  54. Reimers J, Pedersen B, Brodersen A. Foot Deformity and the Length of the Triceps Surae in Danish Children Between 3 and 17 Years Old. Journal of Pediatric Orthopaedics B 1995; 4: 71-73.
  55. DiGiovanni CLanger P. The Role of Isolated Gastrocnemius and Combined Achilles Contractures in the Flatfoot. Foot and Ankle Clinics 2007; 12: 363-379.
  56. Gourdine-Shaw M, Lamm B, Herzenberg J, Bhave A. Equinus Deformity in the Pediatric Patient: Causes, Evaluation, and Management. Clinics in Podiatric Medicine and Surgery 2010; 27: 25-42.
  57. Lamm B, Paley D, Herzenberg J. Gastrocnemius Soleus Recession. Journal of the American Podiatric Medical Association 2005; 95: 18-25.
  58. Powell M, Post W, Keener J, Wearden S. Effective Treatment of Chronic Plantar Fasciitis with Dorsiflexion Night Splints: A Crossover Prospective Randomized Outcome Study. Foot & Ankle International 1998; 19: 10-18.
  59. Wapner K, Sharkey P. The Use of Night Splints for Treatment of Recalcitrant Plantar Fasciitis. Foot & Ankle International 1991; 12: 135-137.
  60. Batt M, Tanji J, Skattum N. Plantar fasciitis: a prospective randomized clinical trial of the tension night splint. Clinical Journal of Sport Medicine 1996; 6: 158-162.
  61. Lee W, Wong W, Kung E, Leung A. Effectiveness of adjustable dorsiflexion night splint in combination with accommodative foot orthosis on plantar fasciitis. The Journal of Rehabilitation Research and Development 2012; 49: 1557.
  62. Maskill J, Bohay D, Anderson J. Gastrocnemius Recession to Treat Isolated Foot Pain. Foot Ankle Int 2010; 31: 19-23.
  63. Abbassian A, Kohls-Gatzoulis J, Solan M. Proximal Medial Gastrocnemius Release in the Treatment of Recalcitrant Plantar Fasciitis. Foot Ankle Int 2012; 33: 14-19.
  64. Monteagudo M, Maceira E, Garcia-Virto V, Canosa R. Chronic plantar fasciitis: Plantar fasciotomy versus gastrocnemius recession. International Orthopaedics (SICOT) 2013; 37: 1845-1850.
  65. Pascual Huerta J. The Effect of the Gastrocnemius on the Plantar Fascia. Foot and Ankle Clinics 2014; 19: 701-718.
  66. Barouk L. The Effect of Gastrocnemius Tightness on the Pathogenesis of Juvenile Hallux Valgus. Foot and Ankle Clinics 2014; 19: 807-822.
  67. Beyzadeoglu T, Gokce A, Bekler H. The effectiveness of dorsiflexion night splint added to conservative treatment for plantar fasciitis. Acta orthopaedica et traumatologica turcica 2007; 41: 220-224.
  68. Maceira E. Monteagudo M. Functional Hallux Rigidus and the Achilles-Calcaneus-Plantar System. Foot and Ankle Clinics 2014; 19: 669-699.
  69. Solan M, Carne A, Davies M. Gastrocnemius Shortening and Heel Pain. Foot and Ankle Clinics 2014; 19: 719-738.
  70. Porter D, Barrill E, Oneacre K, May B. The Effects of Duration and Frequency of Achilles Tendon Stretching on Dorsiflexion and Outcome in Painful Heel Syndrome: A Randomized, Blinded, Control Study. Foot Ankle Int 2002; 23: 619-624.
  71. Bolívar Y, Munuera P, Padillo J. Relationship between tightness of the posterior muscles of the lower limb and plantar fasciitis. Foot & Ankle International 2013; 34: 42-48.
  72. Sheridan L, Lopez A, Perez A, John M, Willis F, Shanmugam R. Plantar Fasciopathy Treated with Dynamic Splinting. Journal of the American Podiatric Medical Association 2010; 100: 161-165.
  73. DiGiovanni B, Moore A, Zlotnicki J, Pinney S. Preferred Management of Recalcitrant Plantar Fasciitis Among Orthopaedic Foot and Ankle Surgeons. Foot Ankle Int 2012; 33: 507-512.
  74. Davis P, Severud E, Baxter D. Painful Heel Syndrome: Results of Nonoperative Treatment. Foot Ankle Int 1994; 15: 531-535.
  75. Labovitz J, Yu J, Kim C. The Role of Hamstring Tightness in Plantar Fasciitis. Foot & Ankle Specialist 2011; 4: 141-144.
  76. Flanigan R, Nawoczenski D, Chen L, Wu H, DiGiovanni B. The Influence of Foot Position on Stretching of the Plantar Fascia. Foot Ankle Int 2007; 28: 815-822.
  77. Kiewiet N, Holthusen S, Bohay D, Anderson J. Gastrocnemius Recession for Chronic Noninsertional Achilles Tendinopathy. Foot & Ankle International 2013; 34: 481-485.
  78. Phisitkul P, Rungprai C, Femino J, Arunakul M, Amendola A. Endoscopic Gastrocnemius Recession for the Treatment of Isolated Gastrocnemius Contracture: A Prospective Study on 320 Consecutive Patients. Foot & Ankle International 2014; 35: 747-756.
  79. Chen L, Greisberg J. Achilles Lengthening Procedures. Foot and Ankle Clinics 2009; 14: 627-637.
  80. Konrad A, Tilp M. Increased range of motion after static stretching is not due to changes in muscle and tendon structures. Clinical Biomechanics 2014; 29: 636-642.
  81. Ryan E, Beck T, Herda T et al. The Time Course of Musculotendinous Stiffness Responses Following Different Durations of Passive Stretching. J Orthop Sports Phys Ther 2008; 38: 632-639.
  82. Mahieu N, McNair P, De Muynck M et al. Effect of Static and Ballistic Stretching on the Muscle-Tendon Tissue Properties. Medicine & Science in Sports & Exercise 2007; 39: 494-501.
  83. Guissard N, Duchateau J. Effect of static stretch training on neural and mechanical properties of the human plantar-flexor muscles. Muscle & Nerve 2004; 29: 248-255.
  84. Nakamura M, Ikezoe T, Takeno Y, Ichihashi N. Effects of a 4-week static stretch training program on passive stiffness of human gastrocnemius muscle-tendon unit in vivo. European journal of applied physiology 2012; 112: 2749-2755.
  85. Macklin K, Healy A, Chockalingam N. The effect of calf muscle stretching exercises on ankle joint dorsiflexion and dynamic foot pressures, force and related temporal parameters. The Foot 2012; 22: 10-17.
  86. Aronow A, Diaz-Doran V, Sullivan R, Adams D. The effect of triceps surae contracture force on plantar foot pressure distribution. Foot & Ankle International 2006; 27: 43-52.
  87. Goldsmith J, Lidtke R, Shott S. The Effects of Range-of-Motion Therapy on the Plantar Pressures of Patients with Diabetes Mellitus. Journal of the American Podiatric Medical Association 2002; 92: 483-490.
  88. Johanson M, DeArment A, Hines K et al. The Effect of Subtalar Joint Position on Dorsiflexion of the Ankle/Rearfoot Versus Midfoot/Forefoot During Gastrocnemius Stretching. Foot & Ankle International 2013; 35: 63-70.
  89. Mecagni C, Smith J, Roberts K, O'Sullivan S. Balance and ankle range of motion in community-dwelling women aged 64 to 87 years: a correlational study. Physical Therapy 2000; 80: 1004-1011.
  90. Johnson E, Bradley B, Witkowski K et al. Effect of a Static Calf Muscle-Tendon Unit Stretching Program on Ankle Dorsiflexion Range of Motion of Older Women. Journal of Geriatric Physical Therapy 2007; 30: 49-52.
  91. Rogers M, Evans W. Changes in Skeletal Muscle with Aging. Exercise and Sport Sciences Reviews 1993; 21: 65-102.
  92. Nurmi I, Lüthje P. Incidence and costs of falls and fall injuries among elderly in institutional care. Scand J of Primary Hlth Care 2002; 20: 118-122.
  93. Fuller G. Falls in the elderly. American Family Physician 2000; 61: 2159-68.
  94. Gadjosik R, Vander Linden D, Williams A. Influence of age on length and passive elastic stiffness characteristics of the calf muscle-tendon unit of women. Physical Therapy 1999; 79: 827-38.
  95. Radford J, Burns J, Buchbinder R, Landorf K, Cook C, Rome K. Does stretching increase ankle dorsiflexion range of motion? A systematic review. British Journal of Sports Medicine 2006; 40: 870-875.
  96. Bohannon R, Tiberio D, Zito M. Effect of five minute stretch on ankle dorsiflexion range of motion. J Phys Ther Sci 1994; 6: 1-8.
  97. Knight C, Rutledge C, Cox M, Acosta M, Hall S. Effect of superficial heat, deep heat, and active exercise warm-up on the extensibility of the plantar flexors. Physical Therapy 2001; 81: 1206-1214.
  98. Peres S, Draper D, Knight K, Ricard M. Pulsed shortwave diathermy and prolonged long-duration stretching increase dorsiflexion range of motion more than identical stretching without diathermy. Journal of Athletic Training 2002; 37: 43.
  99. Pratt K, Bohannon R. Effects of a 3-minute standing stretch on ankle-dorsiflexion range of motion. trial 2003; 2: 0-85.
  100. Evans A. Podiatric Medical Applications of Posterior Night Stretch Splinting. Journal of the American Podiatric Medical Association 2001; 91: 356-360.
  101. Barry L, Barry A, Chen Y. A retrospective study of standing gastrocnemius-soleus stretching versus night splinting in the treatment of plantar fasciitis. The Journal of Foot and Ankle Surgery 2002; 41: 221-227.
  102. Cheng H, Ju Y, Lin C. Design and validation of a dynamic stretch splint for plantar fasciitis. Medical Engineering & Physics 2012; 34: 920-928.
  103. Roos E, Engström M, Söderberg B. Foot orthoses for the treatment of plantar fasciitis. Foot & Ankle International 2006; 27: 606-611.
  104. Kay A, Blazevich A. Moderate-duration static stretch reduces active and passive plantar flexor moment but not Achilles tendon stiffness or active muscle length. Journal of Applied Physiology 2009; 106: 1249-1256.
  105. Grady J, Saxena A. Effects of stretching the gastrocnemius muscle. The Journal of Foot Surgery 1990; 30: 465-469.
  106. Nakamura M, Ikezoe T, Takeno Y, Ichihashi N. Effects of a 4-week static stretch training program on passive stiffness of human gastrocnemius muscle-tendon unit in vivo. European Journal of Applied Physiology 2011; 112: 2749-2755.
  107. Chadchavalpanichaya N, Srisawasdi G, Suwannakin A. The effect of calf stretching box on stretching calf muscle compliance: a prospective, randomized single-blinded controlled trial. Journal of the Medical Association of Thailand= Chotmaihet thangphaet 2010; 93: 1470-1479.
  108. Youdas J, Krause D, Egan K, Therneau T, Laskowski E. The Effect of Static Stretching of the Calf Muscle-Tendon Unit on Active Ankle Dorsiflexion Range of Motion. J Orthop Sports Phys Ther 2003; 33: 408-417.
  109. Zito M, Driver D, Parker C, Bohannon R. Lasting Effects of One Bout of Two 15-Second Passive Stretches on Ankle Dorsiflexion Range of Motion. J Orthop Sports Phys Ther 1997; 26: 214-221.
  110. Young R, Nix S, Wholohan A, Bradhurst R, Reed L. Interventions for increasing ankle joint dorsiflexion: a systematic review and meta-analysis. Journal of Foot and Ankle Research 2013; 6: 46.
  111. Berlet G, Anderson R, Davis W, Kiebzak G. A prospective trial of night splinting in the treatment of recalcitrant plantar fasciitis: the Ankle Dorsiflexion Dynasplint. Orthopedics 2002; 25: 1273-1275.
  112. Manal K, Roberts D, Buchanan T. Optimal pennation angle of the primary ankle plantar and dorsiflexors: variations with sex, contraction intensity, and limb. Journal of Applied Biomechanics 2006; 22: 255.
  113. Abellaneda S, Guissard N, Duchateau J. The relative lengthening of the myotendinous structures in the medial gastrocnemius during passive stretching differs among individuals. Journal of Applied Physiology 2008; 106: 169-177.
  114. Levangie P, Norkin C. Joint Structure and Function: A Comprehensive Analysis, 2nd edn. Philadelphia, PA: F.A. Davis Co., 2011.
  115. Murray M, Kory R, Clarkson B, Sepic S. Comparison of free and fast speed walking patterns of normal men. American Journal of Physical Medicine & Rehabilitation 1966; 45: 8-24.
  116. Karas M, Hoy D. Compensatory Midfoot Dorsiflexion in the Individual with Heelcord Tightness: Implications for Orthotic Device Designs. JPO Journal of Prosthetics and Orthotics 2002; 14: 82-93.
  117. Riemann B, DeMont R, Ryu K, Lephart S. The effects of sex, joint angle, and the gastrocnemius muscle on passive ankle joint complex stiffness/Commentary/Author's response. Journal of Athletic Training 2001; 36: 369.
  118. Johnson Christensen J. Biomechanics of the first ray part V: The effect of equinus deformity. The Journal of Foot and Ankle Surgery 2005; 44: 114-120.
  119. Mueller M. "The ankle and foot complex." Joint Structure & Function. Philadelphia, PA: F. A. Davis, 2005.
  120. Caruntu D, Hefzy M. 3-D Anatomically Based Dynamic Modeling of the Human Knee to Include Tibio-Femoral and Patello-Femoral Joints. Journal of Biomechanical Engineering 2004; 126: 44.
  121. Moglo K, Shirazi-Adl A. Cruciate coupling and screw-home mechanism in passive knee joint during extension–flexion. Journal of Biomechanics 2005; 38: 1075-1083.
  122. Frykberg R, Bowen J, Hall J, Tallis A, Tierney E, Freeman D. Prevalence of Equinus in Diabetic versus Nondiabetic Patients. Journal of the American Podiatric Medical Association 2012; 102: 84-88.
  123. Zimny S, Schatz H, Pfohl M. The Role of Limited Joint Mobility in Diabetic Patients With an At-Risk Foot. Diabetes Care 2004; 27: 942-946.
  124. Greenhagen R, Johnson A, Bevilacqua N. Gastrocnemius Recession or Tendo-Achilles Lengthening for Equinus Deformity in the Diabetic Foot?. Clinics in Podiatric Medicine and Surgery 2012; 29: 413-424.
  125. Barrett S, Jarvis J. Equinus Deformity as a Factor in Forefoot Nerve Entrapment. Journal of the American Podiatric Medical Association 2005; 95: 464-468.
  126. Chimera N, Castro M, Manal K. Function and Strength Following Gastrocnemius Recession for Isolated Gastrocnemius Contracture. Foot & Ankle International 2010; 31: 377-384.
  127. Chimera N, Castro M, Davis I, Manal K. The effect of isolated gastrocnemius contracture and gastrocnemius recession on lower extremity kinematics and kinetics during stance. Clinical Biomechanics 2012; 27: 917-923.
  128. Pinney S, Hansen S, Sangeorzan B. The effect on ankle dorsiflexion of gastrocnemius recession. Foot & Ankle International 2002; 23: 26-29.
  129. Duthon V, Lübbeke A, Duc S, Stern R, Assal M. Noninsertional Achilles Tendinopathy Treated with Gastrocnemius Lengthening. Foot Ankle Int 2011; 32: 375-379.
  130. Gentchos C, Bohay D, Anderson J. Gastrocnemius Recession as Treatment for Refractory Achilles Tendinopathy: A Case Report. Foot Ankle Int 2008; 29: 620-623.
  131. Laborde J, Weiler L. Achilles Tendon Pain Treated with Gastrocnemius-Soleus Recession. Orthopedics 2011; 34: 289-291.
  132. Dayer R, Assal M. Chronic diabetic ulcers under the first metatarsal head treated by staged tendon balancing: A prospective cohort study. Journal of Bone & Joint Surgery, British 2009; 91: 487-493.
  133. Hamilton G, Ford L, Perez H, Rush S. Salvage of the neuropathic foot by using bone resection and tendon balancing: A retrospective review of 10 patients. The Journal of Foot and Ankle Surgery 2005; 44: 37-43.
  134. Laborde J. Neuropathic Plantar Forefoot Ulcers Treated with Tendon Lengthenings. Foot Ankle Int 2008; 29: 378-384.
  135. Laborde J. Midfoot Ulcers Treated with Gastrocnemius-Soleus Recession. Foot Ankle Int 2009; 30: 842-846.
  136. Cychosz C, Phisitkul P, Belatti D, Glazebrook M, DiGiovanni C. Gastrocnemius recession for foot and ankle conditions in adults: Evidence-based recommendations. Foot and Ankle Surgery 2015; 21: 77-85.
  137. Morales-Munoz P, De Los Santos Real R, Barrio Sanz P, Perez J, Varas Navas J, Escalera Alonso J. Gastrocnemius Proximal Release in the Treatment of Mechanical Metatarsalgia: A Prospective Study of 78 Cases. Foot & Ankle International 2016. DOI:10.1177/1071100716640612.
  138. Nawoczenski D, DiLiberto F, Cantor M, Tome J, DiGiovanni B. Ankle Power and Endurance Outcomes Following Isolated Gastrocnemius Recession for Achilles Tendinopathy. Foot & Ankle International 2016. DOI:10.1177/1071100716638128.
  139. Rong K, Ge W, Li X, Xu X. Mid-term Results of Intramuscular Lengthening of Gastrocnemius and/or Soleus to Correct Equinus Deformity in Flatfoot. Foot & Ankle International 2015; 36: 1223-1228.
  140. Nawoczenski D, Barske H, Tome J, Dawson L, Zlotnicki J, DiGiovanni B. Isolated Gastrocnemius Recession for Achilles Tendinopathy: Strength and Functional Outcomes. The Journal of Bone & Joint Surgery 2015; 97: 99-105.
  141. Tallerico V, Greenhagen R, Lowery C. Isolated Gastrocnemius Recession for Treatment of Insertional Achilles Tendinopathy: A Pilot Study. Foot & Ankle Specialist 2014; 8: 260-265.
  142. Phisitkul P. Endoscopic surgery of the Achilles tendon. Current Reviews in Musculoskeletal Medicine 2012; 5: 156-163.
  143. Sammarco G, Bagwe M, Sammarco V, Magur E. The effects of unilateral gastrocsoleus recession. Foot & Ankle International 2006; 27: 508-511.