想拥有强壮的后臂和上臂吗? 使用Runtastic PullUps PRO app你现在就可以提高你的力量,达到全新的健身目标。这款Runtastic PullUps PRO app是你的个人引体向上教练,它使用简单易懂的科学体育训练计划来帮助你增强体能,看到自己持续的进步。引体向上运动次数的独特识 …
Getting you to doing 10, 15, 20 or 25 pull ups in a row -- that is what the Pull Ups fitness app is all about.Think of the Pull Ups app as your person …