Question 1
Which type of muscle fiber is best suited for endurance activities?
Question 2
What is the primary energy source for muscle contraction during short, intense bursts of activity?
Question 3
Which of the following describes the 'all-or-none' principle of muscle contraction?
Question 4
What is the role of calcium ions ($Ca^{2+}$) in muscle contraction?
Question 5
How does resistance training primarily lead to an increase in muscle strength?
