腹の力を抜かせてるところに、めり込ますようなパンチで内臓へ響かせる

どうしても力が入ってる時は、揉むようにして腹筋ほぐし、油断したところにぶち込む拳

いいのが入った時は拳に伝わってくる感触で分かるし、めり込みの深さも端から見ても分かるレベル

そんな腹パンチ、見てみませんか？

When his abdominal muscles were relaxed, I'd punch him with a punch that would cause damage to his internal organs.

When his abdominal muscles are tight, I rub and relax his abdominal muscles, and then I hit him with my fist when he's off guard.

When a good one goes in, I can feel it in my fist, and it's obvious that it's going deep.