6. Choose from the following joint actions to fill in the blank below:
The joint action which takes place when the latissimus dorsi contracts concentrically
is ____________________
shoulder adduction
shoulder abduction
protraction of the shoulder girdle
retraction of the shoulder girdle
1 mark
7. Put the following words/phrases in the correct places in the table below to describe the
different muscle fibre types:
Red
Endurance
Strength/power
White
Fast
Fatigue slowly
High
Slow
Fatigue quickly
Low
Slow twitch
Fast twitch
Colour
Activity types
Mitochondria levels
Contraction speed
Rate of fatigue
10 marks