原名:7 Weeks to 300 Sit-Ups: Strengthen and Sculpt Your Abs, Back, Core and Obliques by Training to Do 300 Consecutive Sit-Ups by Brett Stewart
作品简介:您准备好塑造腹肌了吗?遵循本书中为期 7 周的计划,您将大幅增强核心、背部和斜肌的力量和肌张力,达到极限,您将能够连续做 300 个仰卧起坐。包含清晰的图表和有用的照片,7 周即可坐至 300 次……
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