An uncontrolled contraction of a muscle or muscle group in a sudden, violent manner.
Spotter
A workout partner who provides assistance when a lifting attempt becomes too difficult. This normally occurs when exercising until the point of failure and affords for a safe workout.
Sprain
Wrenching or twisting of a joint in which ligaments are stretched past their normal limits.
Stabilizer Muscle
The name given to a muscle that stabilizes one joint, so a desired movement can be performed in another joint.
Starch
The basis of all carbohydrates, found in cereals, flour, potatoes and other vegetables. Starch is composed of sugar and cellulose. It is broken down by the body into dextrin and maltose before it turns to glucose and is used as fuel.
