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812 Fracture of humerus; 813 Fracture of radius and ulna; 814 Fracture of carpal bone(s) 815 Fracture of metacarpal bone(s) 816 Fracture of one or more Phalanges of the hand; 817 Multiple fractures of hand bones; 818 Ill-defined fractures of upper limb; 819 Multiple fractures involving both upper limbs, and upper limb with rib(s) and sternum
Metacarpal fractures are usually caused by the impact of a clenched fist with a hard, immovable object, such as a skull or a wall. [6] When a punch impacts with improper form, the force occurs at an angle towards the palm, creating a dorsal bend in the bone, ultimately causing the fracture when the bone is bent too far.
They are analogous to the knuckles of the hand, and are consequently known as toe knuckles in common speech. They are condyloid joints, meaning that an elliptical or rounded surface (of the metatarsal bones) comes close to a shallow cavity (of the proximal phalanges). The region of skin directly below the joints forms the ball of the foot.
fracture of distal fibula with posterior dislocation of the proximal fibula behind the tibia: severe external rotation of the foot "Bosworth fracture dislocation". Medcyclopaedia. GE. Boxer's fracture: Boxers: fracture at the neck of the fifth metacarpal: punching solid object: Boxer's fracture at Wheeless' Textbook of Orthopaedics online ...
The neck of a metacarpal is a common location for a boxer's fracture, but all parts of the metacarpal bone (including head, body and base) are susceptible to fracture. During their lifetime, 2.5% of individuals will experience at least one metacarpal fracture. Bennett's fracture (base of the thumb) is the most common. [4]
Some fractures, however, cannot be held in a satisfactory position by this method, and require some additional form of fixation. This is the usual situation with all displaced fractures of the first metacarpal and of the proximal phalanges of the hand, and of about two thirds of fractures of the distal end of the radius. Percutaneous pinning is ...
These fractures are sometimes called march fractures, based on their traditional association with military recruits after long marches. The second and third metatarsals are fixed while walking, thus these metatarsals are common sites of injury. The fifth metatarsal may be fractured if the foot is oversupinated during locomotion. [9]
Split hand/foot malformation (SHFM) is characterized by underdeveloped or absent central digital rays, clefts of hands and feet, and variable syndactyly of the remaining digits. SHFM is a heterogeneous condition caused by abnormalities at one of multiple loci, including SHFM1 (SHFM1 at 7q21-q22), SHFM2 (Xq26), SHFM3 (FBXW4/DACTYLIN at 10q24 ...