The Journal of hand surgery
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To determine whether transfer to only the anterior branch of the axillary nerve will restore useful function after axillary nerve injury with persistent posterior deltoid and teres minor paralysis. ⋯ By quantifying the biomechanical role of muscles during submaximal movement, in addition to quantifying muscle contributions to maximal shoulder strength, we can inform preoperative planning and permit more accurate predictions of functional outcomes.
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Comparative Study
Radiographic alignment of unstable distal radius fractures fixed with 1 or 2 rows of screws in volar locking plates.
We tested the null hypothesis that there is no difference in the change in volar tilt of the articular surface of the distal radius on lateral radiographs obtained before suture removal and 3 months or more after surgical fracture fixation when 1 or 2 rows of screws are used in the distal part of a volar locked plate. ⋯ Therapeutic III.
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Insights into the complexity of active in vivo carpal motion have recently been gained using 3-dimensional imaging; however, kinematics during extremes of motion has not been elucidated. The purpose of this study was to determine motion of the carpus during extremes of wrist flexion and extension. ⋯ These findings highlight the difference in kinematics of the carpus at the extremes of wrist motion, which occur during activities and injuries, and give insight into the possible etiologies of the scaphoid fractures, interosseous ligament injuries, and carpometacarpal bossing.
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Review Comparative Study
Measurement scales in clinical research of the upper extremity, part 1: general principles, measures of general health, pain, and patient satisfaction.
Measurement is a fundamental cornerstone in all aspects of scientific discovery, including clinical research. To be useful, measurement instruments must meet several key criteria, the most important of which are satisfactory reliability, validity, and responsiveness. Part 1 of this article reviews the general concepts of measurement instruments and describes the measurement of general health, pain, and patient satisfaction.