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Mallet finger of the middle finger. The tip of the finger bends downwards while the other fingers stay straight. Specialty: Emergency medicine, sports medicine, plastic surgery: Symptoms: Inability to extend the finger tip, pain and bruising of the finger [3] Causes: Trauma resulting in over bending of the finger tip [3] Diagnostic method
Mallet finger occurs in similar situations as a jammed finger. The tendon that extends the tip of the finger is torn due to trauma causing it to flex beyond normal range. [17] It is characterized by a difficulty extending the finger or opening the hand. [19] Symptoms common to jammed fingers are likely, though a painless mallet finger is not ...
Much more commonly, ulnar neuropathy is caused by overuse of the triceps muscle and repetitive stress combined with poor ergonomics. Overused and hypertonic triceps muscle causes inflammation in the tendon and adhesions with the connective tissue surrounding that tendon and muscle. These in turn impinge on or trap the ulnar nerve.
Ulnar neuropathy at the cubital tunnel is diagnosed based on characteristic symptoms and signs. Intermittent or static numbness in the small finger and ulnar half of the ring finger, weakness or atrophy of the first dorsal interosseous, positive Tinel sign over the ulnar nerve proximal to the cubital tunnel, and positive elbow flexion test (elicitation of paresthesia in the small and ring ...
Additionally, swan-neck deformity can be caused by weakening or tearing of the ligament and tendon on the middle joint of a finger. [10] Other causes of swan-neck deformity include untreated mallet finger, muscle spasticity, physical hand trauma, and many others. [11]
A hand imitating an ulnar claw. The metacarpophalangeal joints of the 4th and 5th fingers are extended and the Interphalangeal joints of the same fingers are flexed.. An ulnar claw, also known as claw hand or Spinster’s Claw, is a deformity or an abnormal attitude of the hand that develops due to ulnar nerve damage causing paralysis of the lumbricals.
The latter involves compression at the wrist of the superficial sensory branch of the radial nerve which does not innervate hand muscles. [citation needed] Robert Wartenberg (1887-1956) was a neurologist born in Belarus who worked in Germany until 1935 when he emigrated to the United States. He was widely published and described a number of ...
Jersey finger, also known as rugby finger, is a finger-related tendon injury that is common in sport and can result in permanent loss of flexion of the end of the finger if not surgically repaired. The injury is common when one player grabs another's jersey with the tips of one or more fingers while that player is pulling or running away. [1]
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