30 Day Sit Up Challenge! 與 30 Days Plank 使用情況與統計

The plank is one of the best exercises because it tightens the deepest core muscles. It’s a static exercise where you use your arms to raise yourself off the floor and hold the whole body straight and rigid, like a plank of wood. Does breaking the physical barrier of 5 min plank seem impossible to you? With the 30 Days Plank app you can now achieve this goal. The app keeps you motivated with an easy to follow training plan that helps you build strength and see constant improvement. The app has been specially designed using scientific sports training plans that gradually improve your core muscles with the ultimate goal of getting to 5 min in a month. FEATURES: - A 30 Days sports science training plan to complete 5 min Plank - Challenge allow you try your best to do longest time plank. - Automatic countdown timer for breaks between sets. - Voice Coach - Personal detail records, calories and statistics (e.g. monthly statistics, …)