Muscular System

Question 1

What are the five types of contraction?

Answer 1

Isotonic, dynamic, concentetric, eccentric, isometric

Question 2

Isotonic

Answer 2

• Occurs when a muscle shortens against a fixed load while the tension on the muscle remains constant

Question 3

Dynamic

Answer 3

• Includes both concentric and eccentric

o Results in a change in length of a muscle with corresponding change in tension of a muscle

Question 4

Concentric

Answer 4

• Type of DC where the muscle fibres shorten and the tension of the muscle increases

Question 5

Eccentric

Answer 5

• Type of DC where muscle fibre lengthens and the tension on a muscle increases

Question 6

Isometric

Answer 6

• Occurs when both ends of the muscles are fixed and no change in length occurs during the contraction, but the tension increases