MizunoRunningさんのインスタグラム動画 - (MizunoRunningInstagram)「Who else loves a good core burn to complete a solid workout?! ✋ A strong core is imperative to running: it helps maintain good form, which in turn helps prevent injuries. Not to mention, it can help with speed! What are some of your go-to core exercises? 👇 #tuesdaytraining #coreworkout #tracktuesday #speedwork #mizunousa #reachbeyond #crosstraining」5月18日 4時00分