Soc14- Muscular System

Question 1

What is the location and function of Gluteals?

Answer 1

Location: In the middle of the body at the back, forming the bottom

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

Question 2

What is the location and function of the Hamsting?

Answer 2

Location: At the top of each leg at the back

Function: Flex the legs at the knees

Question 3

What is the location and function of Gastrocenius?

Answer 3

Location: At the nottom of each leg at the back. Also known as the calf muscles

Function: Point the toes (planta-flexion) at the ankle

Question 4

What is the location and function of Latissimus Dorsi?

Answer 4

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

Function: Pull your arms down at the shoulders and behind your back (adduct and extend)

Question 5

What is the location and function of the Triceps?

Answer 5

Location: At the too of each arm at the back

Function: Extend the arm at the elbow

Question 6

What is the location and function of the Deltoids?

Answer 6

Location: In the upper point of the body covering the shoulders

Function: Raise the arms in all directions at the shoulders

Question 7

What is the location and function of the Biceps?

Answer 7

Location: At the top of each arm at the front

Function: Flex the arm at the elbows

Question 8

What is the location and function of the Quadriceps?

Answer 8

Location: At the top of each leg at the front

Function: Extend the leg at the knee

Question 9

What is the location and function of the Pedtoralis major?

Answer 9

Location: In the upper part of the chest at the front

Function: Adduct arm at the shoulder

Question 10

What is the location and function of the External obliques?

Answer 10

Location: To the side of the abdomen

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

Question 11

What is the location and function of the Tibialis anterior?

Answer 11

Location: Runs down the shin

Function: Pull the toes up towardsvthe shin (dorsi flexion)

Question 12

What is the location and function of the Hip flexors?

Answer 12

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

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

Question 13

What is an Antagonistic pair?

Answer 13

Muscles that work together to create a movement, this happens when a muscle contracts and pulls a bone, it can produce movement in one direction. However muscles cannot push

When one muscles contracts (agonist) the other relaxes (antagonist) to allow the joint to work

Question 14

What are Muscle Fibres?

Answer 14

Voluntary muscle is made up of bundles of individual fibres. Each fibre containe many myofibrils, which are strands that can grab onto each other and pull to make the muscle contract

Question 15

What are slow twitch muscle fibres (type 1)?

Answer 15

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

Question 16

What are fast twitch muscle fibres?

Answer 16

• Can be broken down into two types

Question 17

What is Type 2a muscle fibre?

Answer 17

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

Question 18

What is Type 2x muscle fibre?

Answer 18

Fast twitch- used in highly explosive anaerobic work that can generate more power that other muscle fibres but fatigue very quickly