トレーシー・キスさんのインスタグラム写真 - (トレーシー・キスInstagram)「Let's talk pull-up's! How many reps can you do? 💪🏼You either love them or hate them but there are plenty of benefits to get you motivated to slip them into your workout whether you hit the gym or train from home. Pull-up's strengthen the back muscles, arms and shoulders as well as improving grip strength and cardiovascular fitness. Whether you use a resistance band, assisted machine at the gym or start off with negatives the end result is always worth each and every attempt for this upper body blasting exercise! Check out www.tracykisscoaching.com for more fitness tips and tricks 💚 #pullup #pullups #pullupbar #pullupchallenge #pullupsfordays #pullupprogression」4月2日 17時58分