SOC 14 The Muscular System

Question 1

Function and location of gluteals?

Answer 1

Located in the middle of the body at the back forming the bottom.
These will adduct and extend the leg at the hips and pull the leg backwards

Question 2

Function and location of the hamstrings?

Answer 2

Located at the top of each leg at the back
Flex the legs at the knees

Question 3

Function and location of gastrochemius?

Answer 3

Located at the bottom of each leg at the back aka calf muscles.
Point the toes (panta-flexion) at the ankle

Question 4

Function and location of latissimus dorsi?

Answer 4

Located at the back of the body, either side of the chest
Pull your arms down at the shoulders and behind your back

Question 5

Function and location of the triceps?

Answer 5

Located at the top of each arm at the back
Extend the arm at the elbow

Question 6

Function and location of deltoids?

Answer 6

Located in the upper part of the body, covering the shoulders
Raise the arms in all directions at the shoulders

Question 7

Location and function of biceps?

Answer 7

Located at the top of each arm at the front
Flex the arm at the elbows

Question 8

Location and function of quadriceps?

Answer 8

Located at the top of each leg at the front.
Extend the leg at the knee

Question 9

Location and function of pectoralis major?

Answer 9

Located in the upper part of the chest at the front
Adduct the arm at the shoulder

Question 10

Location and function of external obliques?

Answer 10

Located to the side of the abdomen
Pull the chest downwards. Flex and rotate the spinal columnn

Question 11

Location and function of tibialis anterior?

Answer 11

Runs down the shin
Pull the toed up towards the shin (dorsi-flexion)

Question 12

Location and function of hip flexors?

Answer 12

Sit deep in the front of the hip and connect the leg.
Flex the hip, help the knee up towards the body

Question 13

What is an antagonistic pair?

Answer 13

Muscles that work together to create a movement

They do this by contracting and relaxing

The muscle contracting is agonist

The muscle relaxing is antagonist

Question 14

Slow twitch (type 1)

Answer 14

• Suit endurance activities - can work for long periods of time.
• They’re darker in colour because they contain Myoglobin, a red pigment that transports oxygen to the working muscles

Question 15

Type II a-fast

Answer 15

used in anaerobic work which can be improved through high intensity interval training.
Increasing their resistance to fatigue.

Question 16

Type II b

Answer 16

used in highly explosive anaerobic work than can generate more power that other muscle fibres but fatigue very quickly.
Suit speed events, such as sprinting or jumping (type lla and type lIx) are lighter in colour because they don’t use oxygen for energy.

Question 17

Muscle fibres

Answer 17

Make up voluntary muscle; divided into type 1 type 11a type 11x