Physical activity refers to any bodily movement produced by contraction of the skeletal muscles that results in energy expenditure, examples are walking, running,exercise, etc.

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Isotonic exercise at psychology-glossary.com■■■■
Isotonic exercise: Isotonic exercise is defined as an exercise that requires the contraction of muscles . . . Read More
Isokinetic at psychology-glossary.com■■■■
Isokinetic is defined as an action in which the rate of movement is constantly maintained through a specific . . . Read More
Aerobic exercise at psychology-glossary.com■■■■
Aerobic exercise refers to physical activity that expends considerable energy, increases blood flow and . . . Read More
Isometric contraction at psychology-glossary.com■■■
Isometric contraction is defined as a type of contraction with little or no shortening of the muscle . . . Read More
Golgi tendon organs (GTO) at psychology-glossary.com■■■
- Golgi tendon organs (GTO) : Golgi tendon organ (GTOs) refer to a tension receptor located in series . . . Read More
Fast-twitch fibers at psychology-glossary.com■■■
Fast-twitch fibers is defined as the muscle fibers that produce fast contractions but fatigue rapidly. . . . Read More
Muscle spindle at psychology-glossary.com■■■
Muscle spindle is defined as a muscle stretch receptor oriented parallel to skeletal muscle fibers; the . . . Read More
Metabolic rate at psychology-glossary.com■■■
metabolic rate refers to the body’s balance of energy expenditure. Metabolic rate is determined by . . . Read More
Myoclonus at psychology-glossary.com■■■
Myoclonus refers to a neurologic movement disorder characterized by brief, involuntary, twitching or . . . Read More
Isotonic at psychology-glossary.com■■■
Isotonic is a contraction in which a muscle shortens against a constant load or tension, resulting in . . . Read More