10:22

If you want to build thicker arms without any equipment, this is the best arm workout you can do ...

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【6分間】肩全体に効きすぎ！！ダンベルトレーニング6選

7:33

[Change your upper body with just dumbbells!?] 6 chest and shoulder exercises

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[Beginners should watch this] Get "melon shoulders" using only dumbbells! 5 really effective shou...

21:43

The bench press is old news. The new chest training that will make your chest bigger faster.