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.
Your hip flexors and hamstrings are among the most important groups of muscles to look after in your body. They are necessary for the long-term mobility and stability of your lower body. Healthy and well-conditioned hip flexors and hamstrings are vital for the prevention of hip, knee and lower back issues.