What is defined as the act of repeating a complete muscle contraction?

The act of repeating a complete muscle contraction is defined as repetition. In physical training and exercise, repetition refers to the number of times a specific exercise or movement is performed in a row without resting. This concept is crucial in strength training and conditioning, as the number of repetitions can significantly influence the effectiveness of a workout. For example, various training programs may emphasize high repetitions with lighter weights for endurance, or low repetitions with heavier weights for strength building. Understanding repetition allows individuals to tailor their workouts to meet specific fitness goals, whether it's increasing muscle strength, endurance, or overall fitness.

Rehabilitation focuses on restoring function after injury but does not specifically define the act of repeating muscle contractions. Resistance training involves exercises designed to improve strength by working against a force, which can include repetitions, but it is a broader concept. Reinforcement typically refers to behavioral training and learning rather than a direct physical exercise term.