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The hamstrings must relax.
Most of the major muscles are used. Gastrocnemius, Quadriceps, back muscles, lat dorsis, erector spine and neck muscles.
the quads loosen and the calves tighten so that you can put your leg down or so that you can stand up.
My quadriceps are sore. The coach's most dreaded words were, "Prepare to stretch your quadriceps".
The body part that starts with the letter Q is the quadriceps, which is a group of muscles located in the front of the thigh.
Quadriceps will extend your lower leg.
quadricepsVastus Lateralis on the right side.Vastus Medialis on left side.
Quadriceps
Quadriceps contracts to extend the knee joint. Rectus femoris, the part of quadriceps flex the hip joint on the thigh.
Quadriceps tendon
quadriceps