Items tagged “sports medicine”

O'Donoghue unhappy triad or terrible triad often occurs in contact and non-contact sports, such as basketball, football, or rugby, when there is a lateral force applied to the knee while the foot is fixated on the ground. This produces an abduction-external rotation mechanism of injury ("pivot s...

Posterosuperior impingement, also known as internal impingement, is a relatively uncommon form of shoulder impingement primarily involving the infraspinatus tendon and the posterosuperior glenoid labrum. It occurs when the shoulder is abducted and externally rotated (ABER position). Clinical pr...

Fatigue fractures (also known as overuse fractures) are a type of stress fracture due to abnormal stresses on normal bone. They should not be confused with an insufficiency fracture, which occurs due to normal stresses on abnormal bone. Plain radiographs typically demonstrate a linear sclerotic ...

A number of processes can cause tendon pathology and there is a discrepancy in terminology reflecting the unclear pathophysiology.  Terminology tendinopathy: general umbrella term for pain and swelling of a tendon 2,3 tendinitis previously popular term largely replaced by tendinopathy 3 now...

Proximal intersection syndrome is an overuse tenosynovitis that occurs around the intersection of the first extensor compartment (abductor pollicis longus and extensor pollicis brevis) and second extensor compartment (extensor carpi radialis longus and extensor carpi radialis brevis) within the ...

Medial tibial stress syndrome (MTSS), also known as shin splints, describes a spectrum of exercise-induced stress injury that occurs at the medial tibial mid-to-distal shaft. This term is often incorrectly used to indicate any type of tibial stress injury but more correctly refers to the earlier...

The distal intersection syndrome relates to tenosynovitis of the extensor pollicis longus (EPL) tendon (3rd extensor compartment), where it crosses the extensor carpi radialis longus (ECRL) and brevis (ECRB) tendons (2nd extensor compartment) 1. It is distinct from intersection syndrome which oc...

Radiographic evaluation of anterior cruciate ligament (ACL) reconstruction involves: femoral component a line is drawn along the posterior cortex of the femur a second line is drawn along the roof of the intercondylar notch of the femur (Blumensaat line) the point of intersection of these tw...

Pronator teres syndrome (also called pronator syndrome) is one of three common median nerve entrapment syndromes; the other two being anterior interosseous nerve syndrome and the far more common carpal tunnel syndrome. Signs and symptoms result from compression of the median nerve in the upper f...

Semimembranosus distal tendon avulsion is a specific type of hamstring avulsion injury that can occur in the knee.  Pathology External rotation and abduction of the flexed knee or valgus force applied to the tibia. Associated injuries include anterior cruciate ligament (ACL) rupture, posterior...

Delayed onset muscle soreness (DOMS) refers to the muscular pain and swelling that follows unaccustomed exertion. Clinical presentation Patients may have an ache in affected muscles with reduced strength 4. Pathology DOMS is thought to occur from the reversible microstructural muscle injury ...

Cricket is a popular game in Commonwealth countries. Sports injuries in this game can be associated with three positional aspects of the game: bowling, batting or fielding. Radiologists should know the different kinds of injuries related to this game for a better clinical association. Injuries c...

Ischiofemoral impingement refers to the impingement of soft tissues between the ischial tuberosity and lesser trochanter of the femur.  Clinical presentation Patients with ischiofemoral impingement present with chronic pain in the groin and/or buttock, without a history of traumatic injury. Pa...

Snapping iliopsoas tendon is one of the external causes of a medial snapping hip and occurs when a portion of the iliopsoas tendon moves abruptly onto the superior pubic ramus leading to a snap.  Epidemiology Most commonly affects athletes with repeated hip abduction (e.g. dancing, gymnastics,...