Dr. Christensen's practice is focused on knee ligament construction including ACL and PCL reconstruction, meniscal repair and transplantation, patellar instability, focal cartilage restoration, and osteotomies of the knee. He also performs shoulder surgery including shoulder replacement and shoulder arthroscopy (including rotator cuff repair, instability, and proximal biceps issues), Achilles tendon repair, exertional compartment syndrome, hamstring repairs, and distal biceps repairs. He also treats bursitis, tendonitis, and strains and sprains.