We've previously discussed how the long flexors of the leg (Flexor hallucis longus, Flexor digitorum longus, Tibialis posterior, Peroneus longus & Peroneus brevis) together contribute a sizable 20-30% of force absorption during ground contact in running read here. How can we remove the contribution of these smaller muscles & isolate the larger muscles of the calf, the soleus & gastrocs?โฃ Stand on the edge of a step, curl your toes over the edge, then perform a calf raise. The
The Achilles tendon, the strongest tendon in the body, is not just one tendon, but actually 3 tendons intertwined into one! Fibres originating from the soleus muscle, and the medial & lateral heads of the gastrocnemius muscle, twist around each other as they combine & attach into the back of the heel. Sometimes the plantaris can also be a part of the Achilles tendon, making it 4 in 1! The degree of twisting can also differ between individuals, which may make some prone to dev