A 52-year-old man had a 1-month history of bilateral wrist pain. Although the patient participated in weight-lifting activities, his symptoms began shortly after he mowed the grass. Physical examination revealed bilateral and painful fusiform swelling at the distal forearms (pictured) with crepitus noted at the right distal forearm. Two variants of the Finkelstein test were performed, the resul...

Figure – Lateral epicondylitis, or tennis elbow, occurs most frequently in the extensor carpi radialis brevis tendon. The high incidence of lateral epicondylitis in patients with cervical radiculopathy suggests a correlation between C6 and C7 radiculopathy and the onset of lateral epicondylitis. Background A diagnosis of lateral epicondylitis, described as a condition causing pain in the latera...

[Purpose] This study measured %isolation and investigated whether it shows a difference between the presence and absence of wrist joint restriction, as well as changes in muscle activity patterns. [Methods] Twenty subjects performed upper extremity functional movement in the Manual Function Test (MFT) with and without wrist restriction, and the muscle activities of the trapezius, middle deltoid...

Figure 1. Avulsed extensor carpi radi-alis longus and brevis enthesis.

PURPOSE Wrist joint-leveling procedures for decompression of the radiocarpal and ulnocarpal joints are accompanied by the risk for subsequent disorders of the adjacent distal radioulnar joint (DRUJ). This study evaluated the dynamic change of the pressure pattern at the DRUJ after joint-leveling procedures. METHODS Thirteen fresh-frozen adult cadaveric upper extremities were used. A segment o...

Transfer of the flexor carpi ulnaris (FCU) to replace the power of the paralysed extensor digitorum communis and extensor pollicies longus has been described in the literature. However the use of FCU for strengthening flexor digitorum superficialis (FDS) is relatively not widely known. In this report the use of the technique is dicussed to successfully restore the strength of the fingers of a l...

Abductor pollicis longus is known for its variations in the form of multiple tendons at its insertion. The present case reports about a variation in the origin of abductor pollicis longus (APL) which has not been cited in the medical literature until date. It has been shown that the intersection area where the APL and extensor pollicis brevis cross over the tendons of the extensor carpi radiali...

The design of the wrist extensor muscles was studied using a combination of intraoperative laser diffraction and biomechanical modelling of data obtained from human patients and previously published data. Intraoperatively, the change in sarcomere length per degree joint angle rotation (i.e. dSL/d omega) was measured as the wrist was moved from neutral to full flexion in both the extensor carpi ...

Purpose: To develop a musculo-skeletal dynamic model for simulating hand grasp by means of FES in paretic hand. Methods: The skeletal model, which consisted of humerus, radius, ulna and bones of hand, was developed from CT data of. The muscle model, which had been designed by Hase, was developed about flexor carpi ulnaris, felxor carpi radialis, extensor carpi ulnaris, extensor carpi radialis l...