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For the thumb to adequately grip, certain thumb criteria must be met (e.g. suitable position and length, stable joints and good thenar muscle strength). [4] Because triphalangeal thumbs cannot easily oppose and do not possess many of the optimal qualities found in most opposable thumbs, they tend to cause the hand to be less effective in use ...
Familial opposable triphalangeal thumb duplication is a limb malformation syndrome and a type of pre-axial polydactyly, characterized by having duplicated opposable triphalangeal thumbs. This condition can be a symptom of other genetic disorders, such as Holt–Oram syndrome and Fanconi anemia .
Symbrachydactyly is a congenital abnormality, characterized by limb anomalies consisting of brachydactyly, cutaneous syndactyly and global hypoplasia of the hand or foot. [1] In many cases, bones will be missing from the fingers and some fingers or toes may be missing altogether.
type I: 2q34-q36; [5] webbing occurs between middle and ring fingers and/or second and third toes. type II: 2q31; [6] also involves long and ring fingers, but has a sixth finger merged in between. type III: 6q21-q23; small finger is merged into the ring finger. type IV: 7q36; [7] involves all fingers and/or toes.
Brachydactyly type D, also known as short thumb, [3] [1] stub thumb, [5] [6] or clubbed thumb, [5] [6] is a genetic trait recognised by a thumb being relatively short and round with an accompanying wider nail bed. The distal phalanx of such thumbs is approximately two-thirds the length of full-length thumbs.
Two feet-one hand syndrome (TFOHS), is a long-term fungal condition where athlete's foot or fungal toe nail infections in both feet is associated with tinea manuum in one hand. [ 3 ] [ 7 ] Often the feet are affected for several years before symptoms of a diffuse scaling rash on the palm of one hand appear, which is when most affected people ...
Splint for the left little (pinky) finger of a 7-year-old child. If a contracture is less than 30 degrees, it may not interfere with normal functioning. [7] The common treatment is splinting and occupational therapy. [12] Surgery is the last option for most cases as the result may not be satisfactory. [13]
Morton's toe is the condition of having a first metatarsal bone that is shorter than the second metatarsal (see diagram). It is a type of brachymetatarsia. [1] This condition is the result of a premature closing of the first metatarsal's growth plate, resulting in a short big toe, giving the second toe the appearance of being long compared to the first toe.