Soc 14 Flashcards
1
Q
Muscle Fibres
A
make up voluntary (skeletal) muscle; divided into type I, type lla and type IIx.
2
Q
Type 1
A
low twitch muscle fibres; suited to low intensity work, e.g. marathon running, as they can be used for a long period without fatiguing.
3
Q
Type 11a
A
fast twitch muscle fibres used in anaerobic work; can be improved through endurance training to increase their resistance to fatigue.
4
Q
Type 11x
A
fast twitch muscle fibres used in anaerobic work and can generate much greater force than other fibre types, but fatigue quickly.
5
Q
Myoglobin
A
Myoglobin: a red pigment that transports oxygen to the muscles.
