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Avulsion of the biceps femoris tendon is the complete pulling away of the tendon from the bone. This most commonly occurs where the long head attaches to the ischial tuberosity. Injuries to biceps femoris are more common than to other hamstring muscles.
The tuberosity avulsion fracture (also known as pseudo-Jones fracture or dancer's fracture [2] is a common fracture of the fifth metatarsal (the bone on the outside edge of the foot extending to the little toe). [3] This fracture is likely caused by the lateral band of the plantar aponeurosis (tendon). [4]
In medicine, an avulsion is an injury in which a body structure is torn off by either trauma or surgery (from the Latin avellere, meaning "to tear off"). [1] The term most commonly refers to a surface trauma where all layers of the skin have been torn away, exposing the underlying structures (i.e., subcutaneous tissue , muscle , tendons , or ...
The rectus femoris tendon can cause a fragment of anterior inferior iliac spine of the hip to avulse in what is known as an avulsion fracture. This is due to forceful contraction of the muscle that generates a force greater than that which holds the bone together. This is a well recognized, but unusual sports injury that can affect young ...
The Busch fracture is named after Friedrich Busch (1844–1916), who described this type of fracture in the 1860s. Busch's work was drawn on by Albert Hoffa in 1904, resulting in it sometimes being called a "Busch-Hoffa fracture". [5] The mechanism of this injury can be described as an avulsion of the tendon fixed to the distal phalanx. [6] [7] [8]
A mallet finger, also known as hammer finger or PLF finger or Hannan finger, is an extensor tendon injury at the farthest away finger joint. [2] This results in the inability to extend the finger tip without pushing it. [3] There is generally pain and bruising at the back side of the farthest away finger joint. [3]
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 ]
In 2001, Bruce Rothschild and others published a study examining evidence for tendon avulsions and stress fractures in theropod dinosaurs and the implications for their behavior. [15] Allosaurus was one of only two theropods found to show evidence of an avulsion injury, with the second being Tyrannosaurus. [16]