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.
3 / Improve Your Grip. For pulling exercises such as pull-ups, rows, and deadlifts, grip strength tends to be the limiting factor. To strengthen your grip, try practicing variations of the farmer's walk. Grab a pair of heavy dumbbells and walk as far as you can. Fifty yards or so is a good length.