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.
Work your obliquus abdominis, or side waistline muscle, by swinging your leg out and around to the side with each forward step. Purposely walk up hills to tax your abdominal muscles even more. If you are walking on a treadmill, just pause the machine and step off to do the additional toning.