Outline - 2, BIO 2310, Types of Skeletal Muscle Fibers

---

VII. TYPES OF SKELETAL MUSCLE FIBERS

A. Slow twitch fibers (I)

1. Fatigue resistant

2. Red - blood

3. Myoglobin

4. Mitochondria - aerobic met.

B. Intermediate - fast twitch - fatigue resistant (IIB)

C. Fast twitch - fatiguable (IIA)

1. Glycogen

2. No myoglobin

3. White

4. Anaerobic met.