adjustable dumbbell videos

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'Zoom Fitness | 20分鐘 初階啞鈴 胸大肌訓練 x Eric' 27:54 Aug 31, 2023
'Zoom Fitness | 20分鐘 啞鈴腹肌訓練(上) X Eric' 22:22 May 4, 2023
'Zoom Fitness 50LB調整啞鈴簡易疑難排解' 00:43 Apr 30, 2023