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.
Iliopsoas AKA âhip flexorâ: this muscle attaches from the lumbar spine to the femur (thigh bone) and acts to flex the hip. When this muscle is overly tight, it can cause excessive anterior tilt in the pelvis and lead to abnormal alignment of the hip joint. Picture of muscle seen in with arrow in image to the left.