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.
2. Use your calves, hamstrings, and quadriceps to walk efficiently. An effective walking motion uses nearly all of the muscle groups in the leg-not just one. As you walk, visualize pushing off with your back foot using your hamstrings and quadriceps and propelling yourself forward onto the heel of your other foot. Roll your foot forward, heel-to-toe, as you make your step.