Musculoskeletal Key

Fig. 1 Anterior view of a patient with HSMN with bilateral cavus feet. Note the ability to see the heel from this view with the elevated arches. The posterior view…

Fig. 1 AP and lateral view of a patient with hallux rigidus. Note the narrowing of the joint space on the AP with the common findings of a dorsal osteophyte…

Fig. 1 Nonoperatively treated calcaneus fracture with resultant post-traumatic arthritis. Note the loss of height and obvious articular incongruity and joint space narrowing. The patient had no anterior ankle impingement…

Fig. 1 Patient with midfoot arthritis primarily at the middle column. Note the subtle asymmetric narrowing on the AP radiograph. The presence of 2nd TMT degeneration is clearly seen on…

and Ajay Aggarwal3 (3) Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri, USA   1.1 Fracture Implants Take-Home Message Modulus of elasticity for cortical bone is ~20 GPa, stainless steel ≈ 200…

, Wellington K. Hsu1, Phuc Dang2, Ranjan Gupta2, Bastián Uribe-Echevarría3, Brian R. Wolf3, Matthew T. Provencher4  , Daniel J. Gross5  , Amun Makani5   and Petar Golijanin5   (1) Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA (2) Department of Orthopaedic Surgery,…

Fig. 1 Anteroposterior radiograph of the knee. Notice the lesion in the medial proximal tibia. This is a non-ossifying fibroma. The lesion is metaphyseal, eccentric, and has a sharply defined…

Plane of motion Motion Sagittal (X-axis) Dorsiflexion/plantar flexion Frontal (coronal) (Z-axis) Inversion/eversion Transverse (Y-axis) Forefoot/midfoot: adduction/abduction Ankle/hindfoot: internal rotation/external rotation Tri-planar motion Supination: adduction, inversion, plantar flexion Pronation: abduction, eversion,…