Musculoskeletal Key

Fig. 8.1 Open exam of hallux interphalangeal deformity Fig. 8.2 Closed exam of hallux interphalangeal deformity with increased valgus rotation and hallux hammer toe Radiographic Imaging Radiographic findings are one…

Fig. 9.1 Anatomic structures of interest during release of the adductor tendon. (a) Represent the deep intermetatarsal ligament, which requires transection to access the adductor tendon. (b) Identification of the…

Fig. 6.1 (a) Mapping of the CORA for first metatarsal transverse plane deviation component of HAV deformity. The metatarsal has no intrinsic angular deformity but is deviated from its normal…

Fig. 13.1 (a) A lateral radiograph projection demonstrating a patient who suffers from TMT-1 hypermobility/instability. Note the dorsal cortex of the first metatarsal in comparison to the second metatarsal leading…

Indications  Stage II–IV end-stage arthritis of first MTPJ (HL/HAV)  End-stage arthritis of the hallux IPJ or hallux IPJ fusion  Good neurovascular supply  Adequate soft tissue coverage  Adequate bone length  Elderly…

Fig. 15.1 (a) A 15-year-old female who reached skeletal maturity . Note the large intermetatarsal angle, diastasis between the base of the first and second metatarsal and the medial and…

Author Number Pre-IMA Post-IMA Change in IMA Sung et al. [83] N = 58 14 9.7 4.3 Pydah et al. [70] N = 69 13.1 8.6 4.5 Goucher and Coughlin…

Fig. 11.1 (a) A longitudinal capsulotomy is made at the dorsolateral part of the first metatarsophalangeal joint (white line). (b) The articular surface of the lateral sesamoid is observed after…

Fig. 7.1 In the normal state, the first metatarsal is straight; therefore the anatomic axis of the first metatarsal (mid-diaphysis bisection) is collinear with the mechanical axis (center of MTPJ…

Fig. 5.1 (a) Classic AP angles: 1 metatarsal 1–2 angle(IM angle), 2 hallux valgus angle, 3 distal metatarsal angle (proximal articular set angle), 4 distal articular set angle, 5 metatarsus…