Soc 14 - The Muscular System

Question 1

Quadriceps

Answer 1

Location: At the top of each leg at the front
Movement: Extend the leg at the knee

Question 2

The 4 Angatonistic pairs

Answer 2

-Triceps and Biceps
-Quadriceps and Hamstrings
-Tibialis Anterior and Gastrocnemius
-Gluteus Maximus and Hip flexors

Question 3

What is an Antagonistic pair

Answer 3

Muscles that work together to create a movement

Question 4

Agonist

Answer 4

When the muscle contracts

Question 5

Antagonist

Answer 5

When the muscle is relaxed

Question 6

Muscle fibres

Answer 6

Make up voluntary muscle; divided into type I, type IIa and type IIx

Question 7

Type 1 muscle fibre

Answer 7

Slow twitch muscle fibres; suited to low intensity work

Question 8

Type IIa muscle fibre

Answer 8

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

Question 9

Type IIx muscle fibre

Answer 9

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