ArthroMetrix LLC. is dedicated to a better understanding of orthopedic injuries, prevention, treatment and outcome analysis of such injuries. ArthroMetrix developed the 3D Star Exam and the CT Star Exam which are computerized joint laxity testing systems that can measure motion in a subject's knees during tests that mimic the physical examination done in a clinical setting. With the assistance of 3D modeling ArthroMetrix can provide visual aids that clearly depict the movement within the knee from any angle. In conjuction with the ArthroShare mobile app medical providers and research personel are able to consistantly measure joint movement and monitor patient-reported outcome measures.