Physiology When energy is derived from creatine phosphate to cause muscle contraction, what is the first step in this transfer of energy – A The creatine phosphate transfers its energy to the cross bridges to cause them to become locked B The creatine phosphate causes the power stroke of the cross bridges C The creatine phosphate transfers its energy to the actin filament D The energy of the creatine phosphate is used to convert ADP to ATP 💡 Explanation When energy is derived from creatine phosphate to cause muscle contraction, what is the first step in this transfer of energy - ✓ Correct Answer: D. The energy of the creatine phosphate is used to convert ADP to ATP