Soc 14

Question 1

What moves the shoulder?

Answer 1

The deltoid

Question 2

What covers the chest?

Answer 2

Pectoralis major.

Question 3

What adducts and extends the arm at the shoulder?

Answer 3

Latissimus dorsi

Question 4

Whats on the front of the upper arm?

Answer 4

The bicep

Question 5

Whats on the back of the upper arm?

Answer 5

The tricep

Question 6

What pulls the chest downwards?

Answer 6

External obliques

Question 7

What Adduct and extend the leg at the hips and pull the keg backwards?

Answer 7

Gluteals

Question 8

What helps the leg and knee move towards the body?

Answer 8

Hip flexors

Question 9

Whta extends the leg at the knee?

Answer 9

Quadriceps

Question 10

What flexs the leg at the knee

Answer 10

Hamstrings

Question 11

What points the toes

Answer 11

Gastocnemius

Question 12

What runs down the shin

Answer 12

Tibialis anterior

Question 13

Muscle fibres.

Answer 13

Make up voluntary (skeletal) muscle; divided into type I, type IIa and type IIx.

Question 14

Type I.

Answer 14

Slow twitch muscle fibres; suited to low intensity work, e.g. marathon running, as they can be used for a long period without fatiguing.

Question 15

Type IIa.

Answer 15

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

Question 16

Type IIx.

Answer 16

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

Question 17

Myoglobin.

Answer 17

A red pigment that transport oxygen to the muscles.