CR Stretching or Contract-Relax Stretching is a form of stretching where you hold the muscle in a state of contraction for a period of time (usually around 5-10 seconds) then on the relax phase (usually around 3-5 seconds) you move the joint to it’s new longer...
Short calf muscles, mainly the deeper soleus muscle can easily hold back your squatting ability. When this muscle is short you will have trouble letting the knee travel past your toes. In a normal squat (and particularly once you add load) in order to bio-mechanically...