In Monday's newsletter, Eric Cressey did an excellent in-depth writeup of a squatting problem and how to fix it.
It's the problem of tight shoulders making a proper back squat bar position difficult.
Fixing a squat issue.
鉄は熱いうちに!!…(水)キックボクシング初級クラス&スパーリングクラス
17 hours ago
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