Muscle Actions

Question 1

What is ‘flexion’?

Answer 1

Bend or flex a limb inwards

Question 2

What is ‘extension’?

Answer 2

Bend or extend a limb outwards

Question 3

What is ‘adduction’?

Answer 3

Move a limb towards the midline

Question 4

What is ‘abduction’?

Answer 4

Move a limb away from the midline

Question 5

What is ‘inversion’?

Answer 5

Turning towards centre
E.g., sole of foot

Question 6

What is ‘eversion’?

Answer 6

Turning outwards away from centre.
E.g., sole of foot

Question 7

What is ‘rotation’?

Answer 7

Rotating head at neck

Question 8

What is ‘supination’?

Answer 8

Turning a limb to face upwards

Question 9

What is ‘pronation’?

Answer 9

Turning a limb to face downwards

Question 10

What is ‘Dorsiflexion’?

Answer 10

Flexing/bending foot up

Question 11

What is ‘plantarflexion’?

Answer 11

Flexing/bending foot down towards the ground

Question 12

What is the most common repetitive strain injury?

Answer 12

Carpal-tunnel syndrome or ‘secretary’s disease’

Question 13

How does Carpal-tunnel syndrome happen?

Answer 13

Excessive flexion of wrist (carpal bones) or prolonged finger extension