WJEC Year 13 Physical Education: Key Terminology Quick Revision Guide | WJEC 高三体育：核心术语速记指南

📚 WJEC Year 13 Physical Education: Key Terminology Quick Revision Guide | WJEC 高三体育：核心术语速记指南

Mastering the technical vocabulary of WJEC Year 13 Physical Education is essential for exam success. This quick revision guide breaks down the key terms across physiology, psychology, biomechanics and socio-cultural studies, pairing each definition with a memorable example or memory hook. Use this as a daily reference to sharpen your command of the subject.

掌握 WJEC 高三体育的技术词汇是考试成功的关键。本速记指南将生理学、心理学、生物力学和社会文化研究中的关键术语分解呈现，每个定义都配有易于记忆的示例或记忆钩子。把它作为日常参考，以提升你对学科的掌控力。

1. Energy Systems | 能量系统

ATP-PC System (Alactic Anaerobic): The ATP-PC system provides immediate energy for high-intensity activities lasting up to 8-10 seconds. It relies on stored adenosine triphosphate (ATP) and phosphocreatine (PC) in the muscle. No oxygen is required, and no lactate is produced, making it the fastest but shortest-lasting energy source. Think of a 100m sprinter exploding out of the blocks – that is pure ATP-PC power.

ATP-PC 系统（无氧无乳酸）：ATP-PC 系统为持续 8-10秒的高强度活动提供即时能量。它依靠肌肉中储存的三磷酸腺苷 (ATP) 和磷酸肌酸 (PC)。此过程无需氧气，也不产生乳酸，是最快但持续时间最短的能源。想象百米运动员从起跑器上爆发的瞬间，那就是纯粹的 ATP-PC 供能。

Lactic Acid System (Anaerobic Glycolysis): When activity lasts beyond 10 seconds and up to around 2 minutes, the lactic acid system takes over. It breaks down glucose without oxygen, producing ATP and lactate, which causes fatigue. A 400m runner finishing a lap relies heavily on this system, and the burning sensation in the muscles is a clear sign of lactate accumulation.

乳酸系统（无氧糖酵解）：

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