1.4- MUSCULOSKELETAL SYSTEM

Question 1

Weight lifter performing a squat . Identify the joint action , main agonist and type of muscle contraction occurring at the hip and ankle joints in the downward phase (6)

Answer 1

joint action flexion at the hip and dorsi flexion at the ankle

main agonist gluteal at hip and gastrocnemius

type of muscle contraction eccentric

Question 2

push up (downward phase) agonist and antagonist (2)

Answer 2

agonist= triceps
antag= biceps

Question 3

name the type of muscle contraction that occurs in the main agonist

1- stationary gymnast

Answer 3

isometric