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Tennis Elbow
The principle anatomical components of the lateral elbow are the wrist and digit extensors. Most posteriorly is extensor carpii ulnaris and most anteriorly is extensor carpii radialis (Longus and Brevis). In between lie the extensor digital muscles comprising of extensor digiti minimi and extensor digitorum. The most anterior muscle bulk is formed by brachioradialis with the supinator muscles surrounding the radial neck deep to this. The nerve on the lateral side is the radial nerve which lies deep to brachioradialis before passing between the two heads of supinator as its main branch the posterior interosseus nerve. Common extensor origin enthesopathy is most commonly referred to as tennis elbow but is also seen in golfers. It tends to occur in the dominant arm in tennis players and the non dominant or leading arm in golfers of the lateral muscles, the principle pathological changes are mucinous degeneration and disorganisation involving the extensor carpii radialis brevis (ECRB). Approximately one third of cases also involve the extensor digitorum communis.
EDB epicondylitis
Mild CEO enthesopathy
Doppler US. CEO enthesopathy
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