WorksheetsMuscle Fibre Types
Total questions: 10
Worksheet time: 6mins
Select the muscle fibre that has a slow twitch speed.
Type I
Type IIa
Type IIx
Which muscle fibre type is the quickest to fatigue?
Type I
Type IIa
Type IIx
Type IIx fibres have (a) levels of myoglobin.
What colour are Type IIa muscle fibres?
White
Red
Blue
Pink
True or false. Type I fibres have high amounts of mitochondria?
True
False
Which muscle fibre type recovers the quickest?
Type I
Type IIa
Type IIx
According to Henneman's Size Principle, what order are muscle fibre types recruited?
Type IIa > Type IIx > Type I
Type I > Type IIx > Type IIa
Type IIx > Type IIa > Type I
Type I > Type IIa > Type IIx
An athlete performing the 100m sprint would predominantly use which muscle fibre type?
Type I
Type IIa
Type IIx
Select the role/function of Mitochondria from the options below.
Controls the fluid in and out of the muscle fibre cell
Energy production site during aerobic respiration
A protein which binds to oxygen
Site where muscular contraction occurs
Type IIa muscle fibres produce what type of force?
Low
Medium
High
Very High
