5 Questions
During rest, muscle utilize energy to primarily
Maintain the resting membrane potential
What is the major source of energy for muscle at rest and during recovery from contraction?
Free fatty acid
Which energy system provides maximal muscle power for a period of 10 to 15 seconds?
Phosphocreatine system
What is the immediate energy source for muscle contraction?
ATP
Which muscle protein acts as the enzyme adenosine triphosphatase (ATPase)?
Myosin
Study Notes
Muscle Energy and Contraction
- During rest, muscles utilize energy primarily from adenosine triphosphate (ATP).
- The major source of energy for muscle at rest and during recovery from contraction is creatine phosphate (CP).
- The phosphocreatine (PCr) system provides maximal muscle power for a period of 10 to 15 seconds.
- The immediate energy source for muscle contraction is adenosine triphosphate (ATP).
- Myosin is the muscle protein that acts as the enzyme adenosine triphosphatase (ATPase).
Test your knowledge on muscle metabolism and energy utilization during rest and contraction. Learn about the importance of ATP as the immediate energy source for muscle contraction and the role of free fatty acids in providing energy during rest and recovery.
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