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 quadriceps, or quads, are a group of four muscles located on the front of your thigh and run from your hips and upper femur down to your knee cap. These muscles include the rectus femoris, vastus lateralis, vastus medialis and vastus intermedius. All four muscles work together to extend the knee while walking.