Anatomical differences among squirrels are usually most evident in the comparison of flying squirrels and nongliding squirrels. This is true of wrist anatomy, probably reflecting the specializations of flying squirrels for the extension of the wing tip and control of it during gliding. In the proximal row of carpals of most squirrels, the pisiform articulates only with the triquetrum, but in fl...

The first case of septic arthritis due to Bacteroides fragilis in a wrist joint is described together with its successful treatment.

Gravity-compensated extremity joint torque values were measured in approximately 1,000 healthy Japanese to test the hypothesis that young people in Japan have less muscle strength than older people. The extremity joint torque values of the women in their 20s were significantly lower than those of the women in their 40s, 50s, and/or 60s for six extremity joint torque parameters: wrist palmer fle...

OBJECTIVE To evaluate the use of inertial measurement units (IMU) for quantification of canine limb kinematics. METHODS Sixteen clinically healthy, medium-sized dogs were enrolled. Baseline kinematic data were acquired using an optical motion capture system. Following this baseline data acquisition, a harness system was used for attachment of IMU to the animals. Optical kinematic data of dogs...

OBJECTIVES The correct identification of synovitis is critical for achieving optimal therapy results. Fluorescence optical imaging (FOI) is a novel modality based on the use of an intravenous fluorophore, which enables fluorescent imaging of the hands and wrists with increased focal optical signal intensities in areas of high perfusion and/or capillary leakage. The study objective was to determ...

BACKGROUND The assessment of the joint space thickness is an important clinical parameter for diagnosing osteoarthritis. The accuracy of joint space thickness evaluation from radiographs is limited due to anatomical complexity of the wrist. We propose using distance maps estimated from 3-dimensional and 4-dimensional images reflecting joint space thickness distribution over the relevant part of...

We describe a method for stabilising the distal radioulnar joint using a double breasted slip of extensor retinaculum. This is a retrospective series of 30 patients with a painful wrist secondary to instability of the distal radioulnar joint. The results were assessed by a modified Mayo Score. The mean follow-up was for 38.1 months (13 months to 8 years). Twelve patients had excellent, 16 good ...

DOI: 10.3760/cma.j.issn.1008-1275.2011.01.001 Department of Trauma and Orthopaedic Surgery, F. Bourguiba University Hospital, 5000 Monastir, Tunisia (Hamdi MF) Corresponding author: Tel: 216-99-831-236 / 216-984 08 -3 86 , Fax: 21 6-73 -4 6 0-67 8, E m ai l: h am di. [email protected] 【Abstract】Volar perilunate fracture dislocation is an extremely rare carpal injury, but associated with metaca...

The present paper describes a pneumatically-driven forceps manipulator for minimally-invasive robot surgery that has a simplified flexible wrist joint for easy fabrication, cost reduction and future miniaturization. The joint structure consists only of a machined spring, and four NiTi super-elastic wires fixed to the joint-end are actuated by pneumatic cylinders in push-pull motions. This mecha...

BACKGROUND Non-invasive imaging techniques such as magnetic resonance imaging (MRI) provide the ability to evaluate the complex anatomy of bone and soft tissues of the wrist without the use of ionizing radiation. Dynamic instability of wrist--occurring during joint motion--is a complex condition that has assumed increased importance in musculoskeletal medicine. The objective of this study was t...