6块腹肌锻炼教学视频(一):6块腹肌挑战-第1级 锻炼建议: 腹肌挑战 - 第1级 (初级) The Abs Challenge - Level 1 is a simple six pack abs follow along workout designed to ramp up your ab muscles for a more intense and challenging workouts coming up in the following weeks. Tuesday: Perform this level 1 workout by itself. |