delayed onset muscle soreness; DOMS
Medical term for muscle pain that appears 24–72 hours after exercise. In everyday conversation, 筋肉痛 is more common.
Delayed onset muscle soreness appears a few days after exercise.
激しいトレーニングの翌日、遅発性筋肉痛で階段を降りるのがつらかった。
The day after intense training, I had DOMS and it was painful to go down the stairs.
General term for muscle pain, including immediate soreness. 遅発性筋肉痛 is a specific medical term for delayed onset.
Compound of 遅発性 (delayed onset) + 筋肉痛 (muscle pain). A direct translation of the English medical term 'delayed onset muscle soreness'.