physical strength; muscle strength
筋力が落ちると日常生活が不自由になる。
When muscle strength declines, daily life becomes difficult.
骨折後のリハビリで筋力が大きく落ちてしまった。
Muscle strength dropped considerably during rehabilitation after the fracture.
水泳は全身の筋力をバランスよく鍛えるのに最適だ。
Swimming is ideal for training muscle strength throughout the whole body in a balanced way.