The Muscular System

Question 1

Define ISOTONIC CONTRACTION

Answer 1

A
contractions that cause the muscle to change length, producing movement

Question 2

Define CONCENTRIC

Answer 2

contractions that cause the muscle to shorten e.g. bicep curl (upwards)

Question 3

Define ECCENTRIC

Answer 3

contractions that cause the muscle to lengthen e.g. bicep curl (downwards)

Question 4

Define ISOMETRIC CONTRACTION

Answer 4

there is no change in the length of the contracting muscle, causing no movement

Question 5

What are FIXATORS ?

Answer 5

the muscle that STABILISES the ORIGIN of the AGONIST and the JOINT that the origin moves over

Question 6

Define FLEXION

Answer 6

a movement around a joint that decreases the angle between the bones and the joint

Question 7

Define EXTENSION

Answer 7

a movement around a joint that increases the angle between the bones and the joint

Question 8

Define LATERAL

Answer 8

towards the outside

Question 9

Define MEDIAL

Answer 9

towards the middle

Question 10

Define POSTERIOR

Answer 10

towards the back

Question 11

Define ANTERIOR

Answer 11

towards the front

Question 12

What movement occurs at the WRIST ?

Answer 12

flexion
- extension

Question 13

What movement occurs at the ELBOW ?

Answer 13

flexion
- extension

Question 14

What movement occurs at SHOULDER ?

Answer 14

flexion
extension
adduction
abduction
medial rotation
lateral rotation
horizontal extension
horizontal flexion

Question 15

What movement occurs at the HIP ?

Answer 15

flexion
extension
adduction
abduction
medial rotation
lateral rotation

Question 16

What movement occurs at the KNEE ?

Answer 16

flexion
- extension

Question 17

What movement occurs at the ANKLE ?

Answer 17

plantar flexion
- dorsi flexion

Question 18

WRIST : FLEXION : AGONIST

Answer 18

wrist flexors

Question 19

WRIST : EXTENSION : AGONIST

Answer 19

wrist extensors

Question 20

ELBOW : FLEXION : AGONIST

Answer 20

biceps brachii

Question 21

ELBOW : EXTENSION : AGONIST

Answer 21

triceps brachii

Question 22

SHOULDER : FLEXION : AGONIST

Answer 22

anterior deltoid

Question 23

SHOULDER : EXTENSION : AGONIST

Answer 23

posterior deltoid

Question 24

SHOULDER : ADDUCTION : AGONIST

Answer 24

latissimus dorsi

Question 25

SHOULDER : ABDUCTION : AGONIST

Answer 25

middle deltoid

Question 26

SHOULDER : M.ROTATION : AGONIST

Answer 26

teres major

Question 27

SHOULDER : L.ROTATION : AGONIST

Answer 27

teres minor

Question 28

SHOULDER : HORIZONTAL F : AGONIST

Answer 28

pectorals major

Question 29

SHOULDER : HORIZONTAL E : AGONIST

Answer 29

posterior deltoid

Question 30

HIP : FLEXION : AGONIST

Answer 30

iliopsoas

Question 31

HIP : EXTENSION : AGONIST

Answer 31

gluteus maximus