Soc 14 - Muscular System

Question 1

What moves the arm in all directions from the shoulder?

Answer 1

Deltiod

Question 2

What adducts the arm at the shoulder

Answer 2

Pectoralis Major

Question 3

What adducts and extends the arm at the shoulder?

Answer 3

Latissimus Dorsi

Question 4

What flexes the arm at the elbow?

Answer 4

Biceps

Question 5

What extends the arm at the elbow?

Answer 5

Triceps

Question 6

What pulls the chest downwards and rotates the spinal column ?

Answer 6

External Obliques

Question 7

What adducts and extends the leg at the hip (pulls the leg backwards)?

Answer 7

Gluteals

Question 8

What flexes the hip and moves the knee/leg up towards the body?

Answer 8

Hip Flexors

Question 9

What extends the leg at the knee?

Answer 9

Quadriceps

Question 10

What flexes the leg at the knee?

Answer 10

Hamstrings

Question 11

What points the toes towards the body?

Answer 11

Gastrocnemius

Question 12

What pulls the toes downwards towards the shin?

Answer 12

Tibialis Anterior

Question 13

Fulcrum

Answer 13

The point around which the leaver rotates

Question 14

Articulation

Answer 14

The state of having a joint; being a joint

Question 15

Articulate

Answer 15

Act as a joint

Question 16

Muscle fibres

Answer 16

Make up voluntary (skeletal) muscle ; divided into type 1, type 2a and type 2x

Question 17

Type 1

Answer 17

Slow twitch muscle fibres ;suited to low intensity work like marathon running, as they can be used for a long period of time without fatigue

Question 18

Type 2a

Answer 18

Fast twitch muscle fibres used in anaerobic work; can be improved through endurance training to increase resistance to fatigue

Question 19

Type 2x

Answer 19

Fast twitch muscle fibres used in anaerobic work and can generate much greater force than other fibre types,but fatigue quicker

Question 20

Myoglobin

Answer 20

A red pigment that transports oxygen to the muscles