The Muscular System

Question 1

What is the main action of the gluteals

Answer 1

Pull legs backwards

Question 2

Where are the hamstrings located in the body

Answer 2

On the back of leg and stretch from the bottom part of the pelvis to the tibia

Question 3

Main action of the hamstrings

Answer 3

Running

Question 4

Where is the gastrocnemius located

Answer 4

Form part of the calf muscle, comes fro the back of the femur and slopes at the back of the ankle

Question 5

Main action of the gastrocnemius

Answer 5

Point toes away from the foot resulting in a slight spring in step

Question 6

Where is the trapezius located

Answer 6

Attached to the head and the neck at the top and below the shoulder

Question 7

Main action of the trapezius

Answer 7

Lift the shoulders and braces it back and rotates scapula (shoulder blades)

Question 8

Where is the latissimus dorsi

Answer 8

Broad sheet of muscle which extends from the lower region of the spine to the humorous

Question 9

Main action of the latissimus dorsi

Answer 9

Abducts the arms and rotates them

Question 10

When are the triceps located

Answer 10

Back of the arm, when the arms is straightened triceps contracts whilst biceps relax

Question 11

Main action of the triceps

Answer 11

Throwing action

Question 12

Where are the deltoid located in the body

Answer 12

Shoulders

Question 13

Main action of the deltoids

Answer 13

Gives the shoulder a rounder shape, raises arms

Question 14

Where are the quadriceps located

Answer 14

Top of each leg at the front

Question 15

Main action of the quadriceps

Answer 15

Straighten the legs at knees

Question 16

Where are the biceps located

Answer 16

Front of the upper arm

Question 17

Main action of biceps

Answer 17

When arm is bent biceps contract, whist triceps relax, throwing actions

Question 18

Where are the pectorals located

Answer 18

Upper let of the chest at the front

Question 19

Main action of pectorals

Answer 19

Raise arms up sideways and across the chest at the shoulders

Question 20

Where are the abdominals located

Answer 20

Front of the body in the middle just below the chest

Question 21

Main action of the abdominals

Answer 21

Pull in the abdomen and bend the spine so you can move forwards

Question 22

Antagonistic pairs

Answer 22

A pair of muscles that work together

Question 23

Flexion

Answer 23

Bending if the arm

Question 24

Origin

Answer 24

Where the tendon do the muscle join a stationary bone

Question 25

Agonist

Answer 25

Muscle doing the work and creating the movement, muscle contracting

Question 26

How do skeletal muscles work

Answer 26

They work across a joint and are attached to the bones tendons, they work in pairs each contracting and relaxing in turns to create movement

Question 27

Properties of Fast twitch fibres

Answer 27

1. Very powerful
2. Anaerobic respiration
3. Can only work for short periods of time
4. Ideal for sprinters

Question 28

Properties of Slow twitch fibres

Answer 28

1. Weaker
2. Aerobic respiration
3. Can work for long periods of time
4. Ideal for marathon runners

Question 29

Synergists

Answer 29

Other muscles supporting the origin creating movement

Question 30

2 main ways muscles contract

Answer 30

Isometric

Isotonic

Question 31

Isometric

Answer 31

Muscles stays the same length as it works

Question 32

Examples of isometric muscle

Answer 32

Trapezius

Question 33

Isotonic

Answer 33

Muscles changes length as it works

Question 34

Where is the gluteal a located

Answer 34

The buttocks lies between the skin and is attached to the femur