THE MOST IMPORTANT MUSCLE FOR RUNNING.

While all lower limb muscles are important to absorb shock and produce force during running, an underrated muscle named soleus is consistently neglected.

It’s capable of producing huge amounts of force with its large physiological cross sectional area, and is a real workhorse in absorbing and producing force in the lower limb.

If you’re going to strengthen any muscle of the lower limb, start with soleus.