The Effect of Subtalar Joint Position on Dorsiflexion of the Ankle/Rearfoot Versus Midfoot/Forefoot During Gastrocnemius Stretching

Johanson, Marie A.; DeArment, Amy; Hines, Krystol; Riley, E K.; Martin, Meghan; Thomas, Justin M.; Geist, Kathleen

doi:10.1177/1071100713513433

Cited by 13 publications

(2 citation statements)

References 30 publications

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“…All three alternative measurement methods are reliable in estimating the maximum, weightbearing dorsiflexion ROM of the ankle 145 . However, measurement methods using weightbearing dorsiflexion ROM do not distinguish the contribution from the tarsal, subtalar, or talocrural joints 146,147 .…”

Section: Indirect Measuring Techniquesmentioning

confidence: 99%

Nonoperative or Surgical Treatment of Acute Achilles’ Tendon Rupture

et al. 2022

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Aufwerber and co-workers (2021) compared gait patterns between patients allowed to weight-bear immediately in an orthosis with patients deferring weight-bearing in a cast for two weeks followed by four weeks of weight-bearing in an orthosis. They found that immediate weight-bearing did not result in a more symmetrical gait pattern than deferring weight-bearing the first two weeks postoperatively 79 .

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Section: Indirect Measuring Techniquesmentioning

confidence: 99%

Nonoperative or Surgical Treatment of Acute Achilles’ Tendon Rupture

et al. 2022

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“…Novacheck [17] demonstrated that a passive ankle dorsiflexion ROM of at least 10° is required for sufficient ambulation. Moreover, we excluded patients who presented with acute ankle injury within six months prior to the study onset, a history of ankle fracture, leg length discrepancy greater than 2 cm [18], no history of neurological dysfunction, or trauma affecting the lower limb [19]. All volunteered participants provided written informed consent, and the study was approved by Institutional Review Board of the Graduate School, Yonsei University, Wonju (IRB no.…”

Section: Participantsmentioning

confidence: 99%

Focal Muscle Vibration Changes the Architecture of the Medial Gastrocnemius Muscle in Persons With Limited Ankle Dorsiflexion

Moon

Lim

Park

et al. 2022

Physical Therapy Korea

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Background:The gastrocnemius tightness can easily occur. Gastrocnemius tightness results in gait disturbance. Thus, various interventions have been used to release a tight gastrocnemius muscle and improve gait performance. Moreover, focal muscle vibration (FMV) has recently been extensively researched in terms of tight muscle release and muscle performance. However, no study has investigated the effects of FMV application on medial gastrocnemius architectural changes. Objects:In this study, we aimed to investigate the effects of FMV on medial gastrocnemius architecture in persons with limited ankle dorsiflexion.Methods: Thirty one persons with <10° of passive ankle dorsiflexion participated in this study. We excluded persons with acute ankle injury within six months prior to study onset, a history of ankle fracture, leg length discrepancy greater than 2 cm, no history of neurological dysfunction, or trauma affecting the lower limb. The specifications of the FMV motor were as follows: a fixed frequency (fast wave: 150 Hz) and low amplitude (0.3-0.5 mm peak to peak) of vibration; the motor was used to release the medial gastrocnemius for 15 minutes. Each participant completed three trials for 10 days; a 30-second rest period was provided between each trial. Medial gastrocnemius architectural parameters [muscle thickness (MT), fiber bundle length (FBL), and pennation angle (PA)] were measured via ultrasonography.Results: MT significantly decreased after FMV application (p < 0.05). FBL significantly increased from its baseline value after FMV application (p < 0.05). PA significantly decreased from its baseline value after FMV application (p < 0.05). Conclusion:FMV application may be advantageous in reducing medial gastrocnemius excitability following a decrease in the amount of contractile tissue. Furthermore, FMV application can be used as a stretching method to alter medial gastrocnemius architecture.

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Pediatric Equinus Deformity

DeHeer

2019

The Pediatric Foot and Ankle

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The Effect of Subtalar Joint Position on Dorsiflexion of the Ankle/Rearfoot Versus Midfoot/Forefoot During Gastrocnemius Stretching

Abstract: Clinicians may want to consider STJ position during gastrocnemius stretching to either facilitate or limit recruitment of dorsiflexion motion at the midfoot/forefoot.

Cited by 13 publications

References 30 publications

Nonoperative or Surgical Treatment of Acute Achilles’ Tendon Rupture

Nonoperative or Surgical Treatment of Acute Achilles’ Tendon Rupture

Focal Muscle Vibration Changes the Architecture of the Medial Gastrocnemius Muscle in Persons With Limited Ankle Dorsiflexion

Pediatric Equinus Deformity

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