Gastroc stretching more effective if foot in pronated position

NewsBot · Jul 22, 2015

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Gastrocnemius Stretching Program: More Effective in Increasing Ankle/Rear-Foot Dorsiflexion When Subtalar Joint Positioned in Pronation Than in Supination
JSR Volume 24, Issue 3, August; 2015, 24, 307 – 314

Context: Stretching exercises are commonly prescribed for patients and healthy individuals with limited extensibility of the gastrocnemius muscle.
Objective: To determine if individuals demonstrate more dorsiflexion at the ankle/rear foot and less at the midfoot after a gastrocnemius-stretching program with the subtalar joint (STJ) positioned in supination compared with pronation.
Design: Randomized controlled trial. Setting: Biomechanical laboratory. Participants: 22 volunteers with current or recent history of lower-extremity cumulative trauma and gastrocnemius tightness (10 women and 4 men, mean age 28 y) randomly assigned to stretching groups with the STJ positioned in either pronation (n = 11) or supination (n = 11). Intervention: 3-wk home gastrocnemius-stretching program using a template to place the subtalar joint in either a pronated or a supinated position.
Main Outcome Measures: A 7-camera Vicon motion-analysis system measured ankle/ rear-foot dorsiflexion and midfoot dorsiflexion of all participants during stretching with the STJ positioned in both pronation and supination before and after the 3-wk gastrocnemius-stretching program.
Results: A 2-way mixed-model ANOVA revealed a significant interaction (P = .019). At posttest, the group who performed the 3-week stretching program with the STJ positioned in pronation demonstrated more increased ankle/rear-foot dorsiflexion when measured with the STJ in pronation than the group who performed the 3-wk stretching program with the STJ positioned in supination. No significant main effect of stretching group or interaction for dorsiflexion at the midfoot was detected (P = .755 and P = .820, respectively).
Conclusion: After a 3-wk gastrocnemius-stretching program, when measuring dorsiflexion with the STJ positioned in supination, the participants who completed a 3-wk gastrocnemius stretching program with the STJ positioned in pronation showed more increased dorsiflexion at the ankle/rear foot than participants who completed the stretching program with the STJ positioned in supination.
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Admin2 · Jul 22, 2015

Related Threads:
Effect of Subtalar Joint Position on Dorsiflexion of the Ankle/Rearfoot Versus Midfoot/Forefoot During Gastrocnemius Stretching
Calf stretching in non-weight bearing versus weight bearing
Interventions for increasing ankle joint dorsiflexion
Effect of calf muscle stretching on foot function

NewsBot · Nov 12, 2016

Calf stretching in correct alignment. An important consideration in plantar fasciopathies
Mark Silvester
Journal of Bodywork and Movement Therapies; Article in Press

Stretching of the calf muscles is important in the treatment of plantar fasciopathy. In order to correctly stretch the calf muscles without strain on the plantar fascia the correct alignment of the lower limb should be maintained. A clinical method of achieving this is presented along with a practical guide to assisting the patient to become familiar with correct lower limb alignment
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Craig Payne · Nov 12, 2016

NewsBot said: ↑

the participants who completed a 3-wk gastrocnemius stretching program with the STJ positioned in pronation showed more increased dorsiflexion at the ankle/rear foot than participants who completed the stretching program with the STJ positioned in supination.
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NewsBot said: ↑

Calf stretching in correct alignment. An important consideration in plantar fasciopathies
Mark Silvester
Journal of Bodywork and Movement Therapies; Article in Press
.
Click to expand...

I guess Silvester (and the peer review process as the journal) missed the evidence. I sense a blog post coming on.

mike weber · Nov 12, 2016

Not read the Correct alignment article but correct alignment, really haven't we got past this is correct for all yet?. Makes more sense being pronated which of course will elongate the muscle further ie stretch it and be different for each individual

Craig Payne · Nov 12, 2016

mike weber said: ↑

Not read the Correct alignment article but correct alignment
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It was pretty much putting the STJ in neutral .... oh well

mike weber · Nov 13, 2016

Craig Payne said: ↑

It was pretty much putting the STJ in neutral .... oh well
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Good times

For a discussion when stretching the Soleus ie bent knee , would you get the patient to be more Pronated standing neither pronated or supinated ( not possible for a person to feel it but you get what I mean) or more Supinated ?

Simon Spooner · Nov 13, 2016

To get them into any position other than a natural position will require muscle contraction. Do we want a muscle contracting when we are trying to stretch it? Me thinks not.

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