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Muscles of the Forearm that Move the Hand and Fingers01:16

Muscles of the Forearm that Move the Hand and Fingers

The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
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Assessment of the Abdomen III: Palpation

Palpation is a crucial tactile examination method for assessing abdominal organs and detecting conditions like tenderness, distention, masses, or fluid. It involves both light and deep palpation techniques, each serving specific diagnostic purposes. Light palpation helps identify tenderness and other surface-level indicators, while deep palpation locates and assess abdominal masses and organ boundaries. A skilled professional can gather valuable insights through palpation, including evaluating...
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Bones of the Upper Limb: Humerus

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Bones of the Upper Limb: Radius

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The radius has a nail-shaped head, and a short...
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Bones of the Upper Limb: Ulna

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Related Experiment Video

Updated: May 23, 2026

A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture
07:29

A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture

Published on: January 10, 2025

A large thumb mass.

Amit K Shah1, Rory Macnair, Andrea Figus

  • 1ST6 Plastic and Reconstructive Surgery, Addenbrooke's Hospital, Cambridge University Hospital NHS Foundation Trust. as329@hotmail.com

British Journal of Hospital Medicine (London, England : 2005)
|April 17, 2012
PubMed
Summary
This summary is machine-generated.

A rare case of a thumb soft tissue mass was diagnosed as a neuroma. This condition caused progressive difficulty with thumb flexion over five months.

Related Experiment Videos

Last Updated: May 23, 2026

A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture
07:29

A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture

Published on: January 10, 2025

Area of Science:

  • Orthopedic Surgery
  • Neuropathology
  • Hand Surgery

Background:

  • Soft tissue masses on the thumb can present diagnostic challenges.
  • Peripheral fibromatosis and giant cell tumors are differential diagnoses for such masses.

Observation:

  • A 31-year-old man developed a 5-year history of a thumb mass with progressive flexion difficulty.
  • Magnetic resonance imaging suggested fibromatosis or a giant cell tumor of the flexor tendon.

Findings:

  • Intraoperative findings revealed a large neuroma in continuity with the ulnar digital nerve.
  • Histological examination confirmed the diagnosis of a neuroma.

Implications:

  • This case highlights the importance of considering neuromas in the differential diagnosis of thumb soft tissue masses.
  • Accurate diagnosis is crucial for appropriate surgical management and functional recovery of the hand.