Soc 14 Muscle Fibers Flashcards
1
Q
What are muscle fibers
A
They make up voluntary (skeletal) muscle; divided into type 1, type 2a and 2x.
2
Q
What are type 1 muscle fibres
A
slow twitch muscle fibres; suited to low intensity work,
3
Q
What are type 2a
A
Fast twitch muscle fibres used in anaerobic work; can be improved through endurance training to increase their resistance to fatigue
4
Q
What are type2x muscle fibres
A
Fast twitch muscle fibres used in anaerobic work and can generate much greater force than other fibre types, but fatigue quickly
5
Q
What is myoglobin
A
A red pigment that transports oxygen to the muscles
6
Q
A
