Joints (7.1)

Question 1

Describe the structure and function of tendons

Answer 1

Tendons connect bone to muscle and help transfer a muscle generated force to pull the skeleton to facilitate movement

Question 2

Describe the structure and function of ligaments

Answer 2

Ligaments hold two bones together and stabilize joints preventing joints from moving into unstable positions

Question 3

Give a definition of an antagonistic pair of muscles

Answer 3

An antagonistic pair of muscles is a pair of muscles that work together to bring about movement in a joint. As one relaxes the other contracts and vice versa

Question 4

Describe the action of the flexor muscle

Answer 4

When the flexor contracts flexion occurs around a joint. When extension occurs this muscle relaxes

Question 5

Describe the action of the extensor muscle

Answer 5

This muscle contracts to bring about extension at a joint and relaxes during flexion