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Joints of the hand, X-ray Interphalangeal ligaments and phalanges. Right hand. Deep dissection. Posterior (dorsal) view. The PIP joint exhibits great lateral stability. Its transverse diameter is greater than its antero-posterior diameter and its thick collateral ligaments are tight in all positions during flexion, contrary to those in the metacarpophalangeal joint.
The inferior check ligament, also known as the distal check ligament or accessory ligament of the deep digital flexor tendon, runs from the palmar aspect of the knee to the deep digital flexor tendon approximately halfway down the length of the cannon bone. The main purpose of the ligament is to support and to prevent the over-extension of the ...
Triggering is predictably resolved by a relatively simple surgical procedure under local anesthesia. The surgeon will cut the sheath that is restricting the tendon. The patient should be awake in order to confirm adequate release. On occasion, triggering does not resolve until a slip of the FDS (flexor digitorum superficialis) tendon is resected.
A Jersey finger is a traumatic rupture of the flexor digitorum profundus (FDP) tendon at its point of attachment to the distal phalanx. [4] This injury often occurs in American football when a player grabs another player's jersey with the tips of one or more fingers while that player is pulling or running away. [5]
The first dorsal interosseous, the most consistent, is inserted entirely into the base of its proximal phalanx and the extensor hood there. The second, third, and fourth dorsal interossei have insertions both proximally on the base of the metacarpal and hood, and distally on the lateral bands and central tendon of the extensor mechanism.
The initial treatment for both traumatic and degenerative TFCC lesions, with a stable DRUJ, is conservative (nonsurgical) therapy. Patients may be advised to wear a temporary splint or cast to immobilize the wrist and forearm for four to six weeks. [10] The immobilization allows scar tissue to develop which can help heal the TFCC.
Illustration of an Ankle Stirrup Splint Finger splint. Ankle stirrup – Used for the ankles. [2] Finger splints – Used for the fingers. A "mallet" or baseball finger is a rupture of the extensor tendon and sometimes including a fracture. While surgery may be necessary such an injury may heal if placed in a finger splint. [3] Nasal splint [4]
Bennett's fracture repair. Though these fractures commonly appear quite subtle or even inconsequential on radiographs, they can result in severe long-term dysfunction of the hand if left untreated. In his original description of this type of fracture in 1882, Bennett stressed the need for early diagnosis and treatment in order to prevent loss ...