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 thigh muscles involved in walking and running are the quadriceps, the muscles on the front of your thighs; the hamstrings, the muscles at the back of your thighs; and the gluteal muscles, or buttock muscles.