Musculoskeletal Key

General Principles Physics • Electric voltage from the base unit is converted to sound waves by the reverse piezoelectric effect . Sound waves are reflected at tissue boundaries, producing echoes….

General Principles Overview: Injuries and disorders of the foot can impose considerable dysfunction in an athlete. While most foot problems will improve with appropriate care, a clear understanding of normal…

Introduction • Over 18 million people in the United States (US) participate in tennis at least once a year, with an additional 14 million expressing interest in playing tennis. •…

General Principles History • Oldest known stick and ball game in history, existing in the BC era • Became a popular British sport in 1861, entering as an outdoor Olympic…

Introduction First conceived as a way to play baseball (see Chapter 73 ) indoors during months of harsh weather, softball has emerged over the decades as one of the most…

General Principles • Cross-country or nordic skiing is multifaceted and can be pursued either as a simple recreational outdoor activity or a vigorous competitive endurance sport. • Cross-country skiing serves…

Introduction • Volleyball is a popular sport played worldwide both recreationally and professionally. • It requires quick and explosive movements. Epidemiology • Most injuries occur to blockers and hitters as…

Introduction History • Baseball, the great American pastime, was first described by Abner Doubleday in 1839. • The game evolved considerably in the early years, but it was with the…

General Principles Overview • Snowboarding was popularized in the 1980s and became an Olympic sport in 1998. • Snowboarding is one of the fastest growing sports worldwide, and there are…