Author Archive: Contributor

Bone Diseases of the Spine

The spinal column consists of four regions: the cervical (neck); thoracic (mid back); lumbar (low back); sacrum/coccyx (tail bone). Different categories of disease can affect these regions, ranging from arthritis to cancer, infection and even metabolic. Age, gender, lifestyle, trauma,…
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About Ski Machine Workouts

Overview If you told your fitness instructor that you were interested in ski-specific exercise, she might advise you to “train the chain.” The chain refers to the kinetic chain, which describes a biomechanical movement sequence. Optimal sport performance requires proper…
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National Volleyball Rules

Volleyball is a popular team sport played throughout the United States. Volleyball in the U.S. follows the rules created by the International Federation of Volleyball, the governing body of international volleyball. Regardless of discipline or level of play, the objective…
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