Plank - 21 Day Challenge

Lose weight and get a flat stomach in 21 days with fat burning core training.

The 21-day plank app for men and women is designed to strengthen and train the abs, core muscles, as well as burning belly fat and losing weight.

Exercise plank is the best exercise for the abdominals, and with our app the plank for 21 days, you can train your abs muscles and reduce weight.

If you want to train your abs at home - then this plank counter will be one of the best, as it is suitable for home fitness workouts.

You can also use the exercise bar for weight loss and for weight loss.

If you want a beautiful waist, a pumped up press, a slender figure, a flat stomach - then use this 5 min plank workout app for 21 days

It has a planks belly fat program designed for 21 days.

Train your abs with our plank app in 21 days, and you can lose weight, reduce weight, train the muscles of the body and arms,

improve your shape, make a flat stomach by doing all the workouts at home.

Train at home and get better with our plank challenge app - the bar in 21 days and you can keep the bar.