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.
Some of the muscles that flex and extend the hip also flex and extend the knee. Hereâs a brief list of the thigh muscles that affect the knee: Quadriceps femoris: This four-headed muscle starts in the hip and attaches to the base of the patella via the quadriceps tendon. From there, the quadriceps tendon becomes the patellar. Contracting the quadriceps extends the knee.