Chronic injuries are the result of overtraining, of incorrect training methods, or of small, undetected injuries which over time grow and gradually manifest themselves, and which may render further training impossible, or even suddenly become acute.
慢性傷害則系訓練過度、練習方式不對或姿勢不良而產生的。初期傷小、難以察覺，日久累積成大傷，而逐漸顯露出來；有時會嚴重到無法繼續練習，或在不勝負荷時釀成急性傷害。