| （Department of Physical Education，Tsinghua University，Beijing 100084，China) Abstract: By collating postactivation potentiation related literature, the authors reviewed issues such as the physio-logical mechanism, affecting factors and application strategies of postactivation potentiation, and drew the following conclusions: the postactivation potentiation of muscles originates from the phosphorylation of myosin regulatory light chains, the increase of higher order motor unit recruitment ability, and the change of pennation angle when muscles contract; individual factors (muscle fiber types and percentages, training experience, age, gender, maximum strength, explosive power / strength ratio) and training factors (activation manner, activation intensity, activation volume, recovery time) will affect the magnitude and duration of postactivation potentiation of muscles; the optimi-zation of postactivation potentiation can be realized by selecting an activation manner similar to sports event spe-cific biomechanical characteristics, adding an activation load that matches the athlete’s individual characteristics, properly controlling the balance between potentiation and fatigue effect, and avoiding the negative effects of static stretching on postactivation potentiation.
Key words: sports physiology；postactivation potentiation；power explosion speed；explosive power；competitive sports；review |
