Soc 14- Muscular System

Question 1

Location of Deltoid

Answer 1

In the upper part of the body, covering the shoulders

Question 2

Function of Deltoid

Answer 2

Raise the arms in all directions at the shoulders

Question 3

Example of a sport where a deltoid is used

Answer 3

Swimming

Question 4

Location of pectoralis major

Answer 4

In the upper part of the chest at the front

Question 5

Function of the pectorialis major

Answer 5

Adduct the arm at the shoulder

Question 6

Example of a sport where the Pectoralis major is used

Answer 6

Boxing

Question 7

Location of Latissimus dorsi

Answer 7

At the back of the body, either side of the chest

Question 8

Eample of a sport where the latissimus dorsi is used

Answer 8

Rowing

Question 9

Location of the biceps

Answer 9

At the top of each arm at the front

Question 10

Function of the biceps

Answer 10

Flex the arm at the elbow

Question 11

Function of the latissimus dorsi

Answer 11

Pull your arms down at the shoulders and behind your back

Question 12

Location of the triceps

Answer 12

At the top of each arm at the back

Question 13

Function of triceps

Answer 13

Extend the arm at the elbow

Question 14

Location of external obliques

Answer 14

To the side of the abdomen

Question 15

Function of the external obliques

Answer 15

Pull the chest downwards. Flex and rotate the spinal column.

Question 16

Location of gluteals

Answer 16

In the middle of the body at the back forming the bottom

Question 17

Function of the gluteals

Answer 17

Adduct and extend the leg at the hips, pull the leg backwards

Question 18

Location of the hip flexors

Answer 18

Sit deep in the front of the hip and connect the leg

Question 19

Function of the hip flexors

Answer 19

Flex the hip, help the leg and knee up towards the body

Question 20

Location of the quadriceps

Answer 20

At the top of each leg at the front

Question 21

Function of the quadriceps

Answer 21

Extend the leg at the knee

Question 22

Location of the hamstrings

Answer 22

At the top of each leg at the back

Question 23

Function of the hamstring

Answer 23

Flex the leg at the knees

Question 24

Location of the gastrocnemius

Answer 24

At the bottom of each leg at the back. Also known as the calf muscles.

Question 25

Function of the gastrocnemius

Answer 25

Point the toes ( planta flexion ) at the ankle

Question 26

Location of the tibialis anterior

Answer 26

Runs down the shin.

Question 27

Function of the tibialis anterior

Answer 27

Pull the toes up towards the shin (dorsi-flexion).

Question 28

Voluntary muscles

Answer 28

They are under your control, you can choose when to contract or relax them.

Question 29

Involuntary muscles

Answer 29

They are not under our control. They contract and relax automatically controlled by the involuntary nervous system.

Question 30

Cardiac muscle

Answer 30

A specialised type of tissue that only exists in the heart

Question 31

Type 1 muscle fibres

Answer 31

Slow twitch
Suit endurace activities
Darker due to myoglobin

Question 32

Type II a

Answer 32

Fast twitch
Anaerobic work
Improved through endurance training

Question 33

Type II x

Answer 33

Used in anaerobic work that can generate more power than other muscle fibres but fatigue quickly
Fast twitch