Question

Specify the joints involved in movement, explain the actions that need to occur at the joints and identify the prime movers

1. flapping your arms

2. standing on tip toes

3. pulling back an oar when rowing a boat

4. stepping up on a stair

5. looking down at your phone then looking up at the sky

Answer 1

Movement	Joint	Prime Mover
1. Flapping your arms	Shoulder joint	Pectoralis major
2. Standing on tip toes	Metatarso phalangeal joint	Gastrocnemius, soleus, flexor hallucis longus, flexor digitorum longus, peronues longus, peroneus brevis, tibialis posterior, plantaris
3. Pulling back an oar when rowing a boat	Shoulder joint	Deltoid, pectoralis major, supraspinatus, infraspinatus, teres minor, subscapularis
4. Stepping up on a stair	Hip joint and Knee joint	Quadriceps, gluteus muscles
5. Looking down at your phone then looking up at the sky	Atlanto occipital joint	Looking down is by sternocleidomastoid, longus capitis and longus. Looking up is by trapezius and splenius.