Legal, Maybe Not Provable. Entering into an oral contract is one thing, but proving that the contract exists, or that specific terms of the contract exist, is entirely different. Oral contracts are legally dangerous, because there is no concrete record of their existence.
The classic ballet move, the pirouette, is a complete 360-degree turn performed on one leg. In a ballet, it is usually done more than one time, in a twirling motion. Leg muscles used in a pirouette are the calves, hamstrings and quadriceps.
Leg Muscles. Your leg muscles are your foundation when you play volleyball. You'll recruit all of them at one point or another during the game. Your calves, quadriceps, hamstrings, glutes and hip flexors are all essential for running, but they also play a vital part in quick, explosive jumps.our upper body is where a lot of essential volleyball action happens. Your biceps and forearms engage to move your arms during any ball-hitting action like the serve or receiving, setting, passing and spiking.