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.
Quadriceps muscles: These muscles at the front of the thighs are used as each leg is extended. Hip flexor muscles: The hip flexor muscles lift the thigh forward in the swing phase of the stride. Buttock muscles: Rocking the hips during brisk walking works the gluteal (butt) muscles.