What are the three types of muscle fibers?
1. Type I: Slow-twitch oxidative fibers- Fatigue-resistant
- Contain many mitochondria
- Generate ATP aerobically
- High capillarization
- Red in color
2. Type IIa: Fast-twitch oxidative-glycolytic fibers
- Moderately fatigue-resistant
- Can generate ATP both aerobically and anaerobically
- Red in color
3. Type IIx: Fast-twitch glycolytic fibers
- Fatigable
- Generate ATP anaerobically
- White in color
Muscle Strains - Related Articles
- Which protein inhibits skeletal muscle contraction and what ion removes the inhibition?
- Where is the Flexor and extensor muscle found in upper leg?
- Problems With the Elbow
- How to Deal With Nighttime Leg Cramps
- Signs & Symptoms of a Pulled Muscle in the Arm
- When you hear a pop does that mean tore ligament?
- What muscles are used to play rugby?