11:34
[Tier List] Back Exercises Selected by the World's No. 1 Science Builder / Jeff Nipperd
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A man who has perfected his pectoral muscles speaks with evidence! Chest Training List
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If you want to build a thicker chest, try this now! A scientific explanation of the best exercise...
12:24
【大胸筋Tier】胸トレ種目を筋肥大と効きやすさでランク付けしていきます。
10:09