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Author Topic: Soleus is more important than gastroc  (Read 15887 times)

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CoolColJ

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Soleus is more important than gastroc
« on: August 15, 2021, 06:08:35 am »
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see the difference in forces (x bodyweight) subjected to the soleus vs the gastroc at various running speeds

https://www.tendinopathyrehab.com/blog/tendinopathy-updates/why-you-should-use-seated-calf-raise-in-achilles-tendinopathy

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They also show that the total calf muscle volume is made of soleus mainly (43.7%), then medial gastroc (34.3%), then lateral gastroc (22.1%). This fits in withthe very high physiological cross sectional area of the soleus (Lieber 2011) and much higher forces (x bodyweight) in the soleus versus the gastroc in running (see table below showing predicted muscle forces in running at increasing speed, adapted from Dorn 2012) and

« Last Edit: August 15, 2021, 11:37:02 am by CoolColJ »
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Dreyth

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Re: Soleus is more important than gastroc
« Reply #1 on: August 17, 2021, 06:20:59 am »
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They also show that the total calf muscle volume is made of soleus mainly (43.7%)

Well, yeah, if you split the gastroc into medial and lateral it is. Doesnt a standing calfraise work both the medial and lateral heads?

Nonetheless i do think the soleus hasn't been paid enough attention to. I started realizing that when doing Knees Over Toes Guy rehab. Knees over toes = soleus
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CoolColJ

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Re: Soleus is more important than gastroc
« Reply #2 on: August 17, 2021, 12:04:48 pm »
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Well it makes sense since it's rare that your leg will be completely straight even in running. So in most sports and walking the soleus does the brunt of the work
It's just not as sexy appearance wise :)

yes I think a calf raise works both heads, but depends a bit on the angle of the feet

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