APOA Mobile vs St.Gall Algorithm

Now you no longer have to visit APOAonline.com to access all the content the APOA has to offer. Once signed in using your APOAonline account you'll be able to keep up to date with APOA news and events, join discussions and chat with your fellow members, enroll in our educational content and more. All in a mobile friendly package. You will also be able to receive all your APOA notifications directly to your device, so you'll never miss an announcement, a reply to one of your posts or a private message. Powered by Moodle

This app is intended exclusively for educational and training purposes. It is not a medical device and must not be used for clinical decision-making, patient assessment, or treatment planning under any circumstances. It does not constitute medical advice and is not intended for use with real patients. Explore the St. Gall treatment algorithm for proximal humerus fractures (PHF) as published by Spross et al. (J Bone Joint Surg. 103-A: 2021). This app visualizes the algorithm, letting you trace its decision pathways and understand the logic behind it. The app also includes the functional outcome model from Jacxsens et al. (J Shoulder Elbow Surg. 2025) and lets you practise measuring DTI, GTI, NSA and CSA on X-ray images to understand how these radiographic indices are defined and applied in the literature.