The neck musculature can be broken up in to two distinct functional units: The muscles that extend and flex the head and the muscles that extend and flex the cervical spine.
Having similar simple prerequisites for an athlete so they understand the physical requirements necessary to compete at a high level in his or chosen sport has value.
To Get Strong and improve the flexibility of your hips simply exercise and let you knees flair slightly towards your shoulders.
In 1965 'Henneman' demonstrated that motor units hence muscle fibers are recruited in accordance with the size principle during voluntary contractions
Each time you enter the facility the willing coach and the willed athlete need Rules of Engagement.