BPK 143 Chapter Notes - Chapter 4: Myofibril, Gluteus Maximus Muscle, Muscle Tone

• School: Simon Fraser University
• Department: Biomedical Physio & Kines
• Course: BPK 143
• Professor: Tony Leyland

Document Summary

Increase in muscle mass (aka muscle hypertrophy) (i) (ii) improves feeling of well-being (iii) improvement in appearance (iv) increase in muscle strength (v) increase in muscle endurance. List some benefits and some disadvantages of resistance training. Power = force of muscle contracion x sped of contracion or power = (force x distance) / ime: distinguish between muscular strength and muscular endurance. Muscle strength is the greatest amount of force of a muscle/group produced in one efort. In contrast, muscular endurance is the ability of a muscle group to perform repeated contracions for an extended period of ime: distinguish between isokinetic, isotonic and isometric contractions. Isokineic contracion where the muscle shortens/lengthens at a constant rate. Isotonic muscular contracion where the tension (force) in the muscle is constant (same tension) Isometric muscular contracion with no change in length of the muscle: define the terms agonist and antagonist. Agonist a muscle that causes the moion of the exercise (ex. biceps in bicep curl)