If a biopsy of the quadriceps muscles (muscles on the front of the thigh)were taken from gold medal-winning speed skaters in the four following events,which would most likely have the SMALLEST percentage of type 1 muscle fibers?
A)10,000 meters
B)5,000 meters
C)1,000 meters
D)500 meters

Question

Quizplus · Accepted Answer

The 500 meters is a sprint event, which requires explosive power and speed. This type of event would primarily rely on type 2 muscle fibers, which are responsible for generating force quickly but fatigue easily. Type 1 muscle fibers, on the other hand, are better suited for endurance activities like long-distance running and would be more prevalent in events like the 10,000 meters. Therefore, the quadriceps muscle biopsy from gold medal-winning speed skaters in the 500 meter event would most likely have the smallest percentage of type 1 muscle fibers.

If a Biopsy of the Quadriceps Muscles (Muscles on the Front