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Look at the illustration
again and answer the following questions.
1. Which fiber types are recruited for light-intensity activities? (identify all that apply)
a. Type I (ST or SO)
b. Type IIa (FTa or FOG)
c. Type IIb (FTb or FG)
2. Which fiber types are recruited during a maximum-effort activity? (identify all that apply)
a. Type I (ST or SO)
b. Type IIa (FTa or FOG)
c. Type IIb (FTb or FG)
3. Which fiber types are most likely to be recruited for anaerobic activities? (identify all that apply)
a. Type I (ST or SO)
b. Type IIa (FTa or FOG)
c. Type IIb (FTb or FG)
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