Which of the following types of muscle fibers have low myosin ATPase activity and are classified as slow-twitched?
Answer (2)
Type I muscle fibers are slow-twitch fibers with low myosin ATPase activity. They are primarily used for endurance activities and have a high capacity for aerobic metabolism. Understanding these fibers is essential for training focused on endurance.
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**slow twitched muscles are also known as dark muscle fibers or Type I fibers. **
Fast twitched are Type II or white muscle fibers. ;
