This app focus on stretching legs
3 different levels of stretching;
Begin with beginner level before moving to intermediate and then advanced level.
As a rule of thumb, i would suggest 40% of maximum pain to stretch at ease ^ ^.

When we stretch, we release certain pressures in muscles, allowing muscles to remain functional for a long life.

Regular stretching keeps muscles long, lean, and flexible, and this means that exertion "won't put too much force on the muscle itself," says Nolan.
Source: https://www.health.harvard.edu/staying-healthy/the-importance-of-stretching

Stretching improves mental health
Source: http://www.naturallivingideas.com/9-things-that-happen-to-you-when-you-stretch-everyday/

The information on this mobile app is not intended or implied to be a substitute for professional treatment, medical advice or diagnosis.