This is the 9477th most frequent Japanese word.
筋力
Muscular strength.
筋力 is used in the context of muscle strength, emphasizing the activity to enhance it.
筋力を鍛えるためには、定期的に運動をすることが重要です。
To improve muscle strength, it is important to exercise regularly.
筋力 is referred to in the sense of praising someone's physical strength.
彼女の筋力の強さに驚きました。
I was amazed by her muscular strength.
筋力 is discussed in terms of its potential decrease and activities to preserve it.