FOUNDATIONAL TERM
Phosphocreatine
磷酸肌酸
A reserve that rapidly transfers phosphate to ADP to regenerate ATP.
Study this concept in context
43 · Energy supply during exercise
During exercise, muscles continually convert stored chemical energy into mechanical work and heat. Starting with ATP turnover, this lesson explains overlapping energy pathways and how speed, duration, and recovery change their contributions.
Sources
- OpenStax Anatomy and Physiology 2e: Muscle Fiber Contraction
- Gastin: Energy System Interaction during Maximal Exercise
- OpenStax Anatomy and Physiology 2e: Carbohydrate Metabolism
- OpenStax Anatomy and Physiology 2e: Lipid Metabolism
- Brooks 2009: Cell–cell and intracellular lactate shuttles
- Cleveland Clinic: Lactic acid and delayed muscle soreness
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.