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Flashcards in muscle fiber + contraction basics Deck (4)
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1

RED, dark muscle color: ↑ mitochondria, myoglobin
↑ oxidative phosphorylation → sustained contraction
called slow twitch

type 1 muscle

2

examples of type 1 muscle

calf: soleus
abdominal muscles

3

↓ red (white) → ↓ mito + myoglobin
anaerobic glycolysis
called fast twitch

type 2 muscle

4

example of type 2 muscle

weight training hypertrophies fast twitch muscles
pectoralis major m.

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