Endurance training leads to
A) an increased number of myofilaments
B) an increased number of muscle fibers
C) an increased number of blood vessels to the muscle
D) muscle atrophy

Question

Quizplus · Accepted Answer

Endurance training leads to an increased number of blood vessels to the muscle. This improves the delivery of oxygen and nutrients to the muscle, which in turn enhances endurance performance.

Answer: B
 Endurance training may also lead to an increased number of muscle fibers through a process called fiber branching. This can result in greater muscle endurance and strength.

Therefore, the best choices are C and B.

Endurance Training Leads to