{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

143energy20 - • most voluntary activities slow recruited...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
20 Muscle Fiber Types Fiber types are classified by – differences due to different isoforms of myosin (types) - twitch characteristics – also distinguished by functional and metabolic characteristics Table slow vs. Fast twitch(a,b) - Slide 20 motor unit - collection of fibers that contract together – all fibers in motor unit are same type
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: • most voluntary activities - slow recruited first (small motor units) – as more power is needed - recruit fast twitch (larger motor units) – variability in fiber type distribution, muscles are mixture, genetics – % Slow twitch vs. sport (slide 21)...
View Full Document

{[ snackBarMessage ]}