Knickerbocker's theory emphasizes on the interdependence of major players in the same industry. Imitation is the name of the game where firms try to match each other's moves to keep each other in check so as not to allow a rival gain a competitive advantage over others.
hamstrings. extend the hip and flex the knee against resistance and are important knee stabilizers. help control hip flexion in weightbearing position by contracting eccentrically when the flexion occurs in same direction as gravity as dead lift or hip=hinge position.
These muscles, which form the back of the thigh, flex your knee and extend your hip. Also known as inner thigh muscles; squeeze a pencil between your knees to feel these fire. This muscle at the front of your thigh is made up of four sections and is the main mover when you extend knees. The uppermost of your two calf muscles, it gives your feet push-off power with each step. This calf muscle works with and lies underneath the gastrocnemius.