Knietraining nach Operation is an Android app developed by pur AG, available for free in the Lifestyle category. The app is designed to aid in the rehabilitation process after knee surgery, especially after joint replacement. It is also suitable for rehabilitating after a meniscus or cruciate ligament surgery, or for rehabilitation in cases of knee osteoarthritis.

The app is a four-week rehabilitation program developed by Dr. Volker Zitzmann, a knee surgery specialist, and Manuel Eckardt, a health expert. The program aims to help patients recover as quickly and as healthily as possible, providing the necessary stability and strength for daily activities.

The program consists of optimized daily training for four weeks, with each day's training taking no more than five minutes. The program is designed to be started in bed and progressed to full load-bearing exercises.

Overall, Knietraining nach Operation is a valuable tool for anyone undergoing knee surgery and looking for a structured rehabilitation program. The app is easy to use, and the daily training program is optimized for a speedy and healthy recovery.