As used in the phrase null and void, refers to something that binds no one or is incapable of giving rise to any rights or duties under any circumstances.
The quadriceps is muscle group consisting of four muscles that flex the knee, which is a major movement of the farmerâs walk. These muscles are the rectus femoris, vastus intermedius, vastus lateralis, and vastus intermedius.
The biceps femoris, semitendinosus and semimembranosus make up the hamstring muscle group on the back of the thigh. These muscles work together to bend the knee of the leading leg while walking. The gluteal, or butt, muscles are located on the posterior hips. They include the gluteus maximus, gluteus medius and gluteus minimis. The gluteus maximus works with the hamstrings to extend the hip of the rear leg during a stride.