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Upper Limb Muscles
Published in Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo, Handbook of Muscle Variations and Anomalies in Humans, 2022
Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo
In a male fetus with triploidy, extensor pollicis brevis was absent bilaterally (Moen et al. 1984). Absence or “anomalous structure” of extensor pollicis brevis has been observed in infants with Neu-Laxova syndrome (Shved et al. 1985). In a male neonate with Meckel syndrome, extensor pollicis brevis inserted with abductor pollicis longus into the first metacarpal on the right hand (Pettersen 1984). On the left arm, extensor pollicis brevis joined and inserted with extensor pollicis longus. Bersu et al. (1976) describe a male infant with Hanhart syndrome. On the right side of this infant, the wrist and hand were deficient. Extensor pollicis brevis was absent.
Peripheral Nerve Examination in a Child
Published in Nirmal Raj Gopinathan, Clinical Orthopedic Examination of a Child, 2021
The muscles that contribute to wrist extension but are tested as a group are: Extensor carpi radialis longus (ECRL).Extensor carpi radialis brevis (ECRB).Extensor digitorum (ED).Extensor digiti minimi (EDM).Extensor carpi ulnaris (ECU).Extensor indicis (EI).Extensor pollicis longus (EPL).Extensor pollicis brevis (EPB).Abductor pollicis longus (APL).
The wrist and hand
Published in David Silver, Silver's Joint and Soft Tissue Injection, 2018
Tenosynovitis of the thumb (de Quervain’s disease). The extensor pollicis brevis and the abductor pollicis longus tendons are particularly prone to inflammation following occupational trauma or repetitive stress.
Feasibility of distal transradial access for coronary angiography and percutaneous coronary intervention: an observational and prospective study in a Latin-American Centre
Published in Acta Cardiologica, 2023
Héctor Hugo Escutia-Cuevas, Marco Alcantara Melendez, Arnoldo Santos Jiménez-Valverde, Gregorio Zaragoza-Rodriguez, Antonio Vargas-Cruz, Juan Francisco Garcia-Garcia, Bayardo Antonio Ordonez-Salazar, Antonio Flores-Morgado, Guillermo Orozco Guerra, Diego Alvaro Renteria-Valencia
The distal radial technique, which consists of canalising the radial artery through the anatomical structure called snuffbox (anatomical snuffbox, radial fossa, fovea radialis), has recently emerged as an alternative arterial intervention for diagnostic and therapeutic coronary catheterisation, allowing the conservation of the radial artery for classical transradial intervention [5,6]. The radial fossa is a hollow space on the radial side of the wrist that becomes evident when the thumb is extended; it is limited by the extensor pollicis longus tendon of the thumb, the extensor pollicis brevis and the abductor pollicis longus tendons of the thumb. The radial artery crosses the surface formed by the scaphoid and trapezium (Figure 1). Distal artery access from the radial fossa was first described in 2011 with the aim of permeabilize the ipsilateral radial arteries with retrograde occlusion [7]. If the artery is well developed it can be used as the entry site for 4, 5, 6, 7 or even 8 Fr catheters and sheaths [8].
Patient-reported outcomes following interposition arthroplasty of the basal joint of the thumb
Published in Journal of Plastic Surgery and Hand Surgery, 2021
Rasmus Wejnold Jørgensen, Anders Odgaard, Frederik Flensted, Henrik Daugaard, Claus Hjorth Jensen
Complications following surgery are as shown in Table 2. FCR rupture and scar tissue formation around the extensor pollicis brevis were only seen in patients operated with Weilby or Burton–Pellegrini technique. There were few major complications but more than 10% returned to the outpatient clinic due to persistent pain. Twelve patients of 250 were revised due to complications. Four received further interposition arthroplasty following capsuloplasty, three received a MiniTight Rope (Arthrex®) suspension due to subsidence, one sensory nerve needed repair, one tendon needed repair, one debridement was performed due to infection, one had additional trapezium bone removed and one had a secondary capsuloplasty performed. Complication of any kind was associated with a mean improvement in Quick-DASH scores of only 13.76 points at six months follow up. Patients who did not have any complications had a mean improvement of 27.82 points (p<.001). The same results were seen when comparing the improvement in pain scores (p<.001). Complications of any kind were associated with 49% of patients being dissatisfied at 6 months follow up (p<.001). Gender was not associated with complications of any kind, but younger age was associated with a higher risk of complications (Pearson’s correlation 0.13, p=.03).
Investigating the optimal handle diameters and thumb orthoses for individuals with chronic de Quervain's tenosynovitis – a pilot study
Published in Disability and Rehabilitation, 2020
Chien-Hsiou Liu, Kai-Shun Yip, Hsin-Yu Chiang
de Quervain's tenosynovitis is inflammation of the tendons, including the extensor pollicis brevis (EPB) and the abductor pollicis longus (APL), which extend the joints of the thumb [1,2]. Splinting reduced the gliding of APL and EPB tendons through the stenosed fibro-osseous canal, thereby minimizing mechanical impingement of the tendons against the retinaculum [3]. Traditionally, a long thumb orthosis is prescribed to an individual at the acute and chronic stages of de Quervain’s tenosynovitis to immobilize the thumb and wrist such that the affected area is restrained to curb the pain [4]. Reports on the clinical effectiveness of the combination of two approaches (ultrasound/steroid injection and orthosis) have been published. Witt, Pess, and Gelberman, reported that injection of steroids and use of a long thumb orthosis for three weeks had a 62% success rate in patients with de Quervain’s tenosynovitis. Also, the combination of therapeutic ultrasound and a long thumb orthosis has been verified to be more effective than therapeutic ultrasound alone in the conservative management of de Quervain’s tenosynovitis [5].