Chapter 20: Lesson 2 Flashcards
Stabilization
The body’s ability to provide optimal dynamic joint support to maintain correct posture during all movements.
Muscular endurance
The ability to produce and maintain force production for prolonged periods of time.
Muscular hypertrophy
The enlargement of skeletal muscle fibers.
Myofibrils
The contractile components of a muscle cell; the myofilaments (actin and myosin) are contained within a myofibril.
Strength
The ability of the neuromuscular system to produce internal tension to overcome an external load.
Motor unit
A motor neuron and all of the muscle fibers that it innervates.
Power
Force × Velocity or Work ÷ Time
Rate of force production
Ability of muscles to exert maximal force output in a minimal amount of time.