WebAug 8, 2024 · Each thumb (first digit) contains a proximal and distal phalanx, while the index (second digit), long (third digit), ring (fourth digit), and small (fifth digit) fingers all contain a proximal, middle, and distal phalanx. The proximal and middle phalanges can be subdivided into a base, shaft, and head from proximal to distal. WebSep 27, 2014 · Each hand has a total of five proximal phalanges, one in each digit. Compared to the middle and distal phalanges, they are the largest ones. The proximal phalanx of the thumb is an exception because it is shorter and more stout compared to … The lumbrical muscles of the hand are numbered 1-4 from the most … Metacarpophalangeal joint (Articulationes metacarpophalangeae) The … 1st dorsal interosseous muscle: this muscle is the largest and strongest of the dorsal …
Toe and Forefoot Fractures - OrthoInfo - AAOS
WebMay 31, 2024 · Fractures of the proximal phalanx can be complex owing to forces exerted on the fracture fragments by multiple muscles and tendons which often … WebAug 22, 2016 · One example is the spool-shaped proximal phalanx. 23 The medullary canal may even appear obliterated in exaggerated cases. Occasionally, a proximal phalanx head is enlarged. This finding primarily involves the fifth digit and usually accompanies the clinical presence of an adductovarus contracture with a heloma durum overlying the … foldable cart on wheels
Acute Finger Injuries: Part I. Tendons and Ligaments AAFP
WebOblique fractures occur when your bone is broken at an angle. The fracture is a straight line that’s angled across the width of your bone. They’re usually caused by landing on your bone at an angle after a fall, or when your bone is hit suddenly from an angle (like in a car accident). Spiral fractures happen when a fracture winds around the ... WebFeb 25, 2024 · 16.1 Trauma Mechanism. Hyperextension and abduction of one of the fingers tend to cause a base fracture of the proximal phalanges, most frequently to the fourth or fifth finger. An extra-articular transverse … WebOct 15, 2024 · There are 3 distinct fracture patterns that affect the base of the fifth metatarsal. Unfortunately, the terminology and descriptions of these injuries remain confusing in the orthopedic literature. foldable cart with sipping lid