Danielle Robertsonさんのインスタグラム写真 - (Danielle RobertsonInstagram)「CORE 🔥 It’s all about abs with todays CORE workout! All these exercises focus on our lower abdominal muscles, make sure to keep your core tight and engaged throughout this workout🔥 We have 30 sec of work per exercise for 3 sets! This core burner is only 6 minutes - so no rest time is required Let’s get it! WORKOUT 3 SETS 30 Seconds 30 sec Single Leg Extension 30 sec Double Leg Extension 30 sec Flutters 30 sec Dish Hold」4月4日 6時26分