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.
1 It allows you to extend your upper leg, spread it, and turn it outward. 2  Serratus anterior: A group of muscles connected to the rib cage, which help stabilize the shoulder. 3  Psoas major: These muscles connect the lower part of the spine to the ilium and the femur and aids in flexing the hips.