Muscles

Question 1

what are the 3 types of muscles?

give examples

Answer 1

Voluntary - any connected to the skeleton
Involuntary - anything outside of our control
Cardiac - Heart

Question 2

what are the functions of the muscular system?

Answer 2

provides movement by contracting and relaxing muscles
provides shape
help maintain posture

Question 3

what are the 2 muscle fibres?

Answer 3

Fast twitch

Slow twitch

Question 4

describe the characteristics of fast twitch fibres

Answer 4

Large, White, Quick, Large force generated, fatigue quickly.
physical activity - power, strength, explosive events
Sporting example - Jessica Ennis

Question 5

describe the characteristics of slow twitch fibres

Answer 5

Small, Red, Slow force generated,
physical activity- long distance running
sporting example- Mo Farah

Question 6

What are the two types of muscle contraction?

Answer 6

Isotonic-One muscle shortens, one muscle lengthens- limb movement occurs (netball)
Isometric- No movement, no change in muscle length. (plank)