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Muscles of the Forearm that Move the Hand and Fingers01:17

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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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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
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Somatic spinal reflexes are rapid, involuntary muscular responses to external stimuli that involve the somatic musculature and the spinal cord.
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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
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Trigger Thumb, Trigger Finger and Clasped Thumb.

Marcos Carvalho1, Maria Inês Barreto1, Cristina Alves1

  • 1Department of Pediatric Orthopaedics, Pediatric Hospital, Centro Hospitalar e Universitário de Coimbra (CHUC), EPE, Av. Afonso Romão, 3000-602 Coimbra, Portugal.

Children (Basel, Switzerland)
|March 28, 2024
PubMed
Summary
This summary is machine-generated.

Pediatric finger deformities like trigger thumb and clasped thumb require careful diagnosis. Understanding their distinct causes and treatments is crucial for effective pediatric care.

Keywords:
clasped thumb and thumb in palmtrigger fingertrigger thumb

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Area of Science:

  • Pediatric Orthopedics
  • Developmental Pediatrics

Background:

  • Finger deformities are common in children.
  • Accurate diagnosis is vital for effective treatment.
  • Trigger thumb, trigger finger, and clasped thumb are key conditions.

Purpose of the Study:

  • To review essential concepts of pediatric trigger thumb, trigger finger, and clasped thumb.
  • To focus on etiology, epidemiology, clinical presentation, diagnosis, treatment, and prognosis.
  • To provide a guide for healthcare professionals managing these conditions.

Main Methods:

  • Literature review of pediatric finger deformities.
  • Synthesis of information on trigger thumb, trigger finger, and clasped thumb.
  • Focus on diagnostic and treatment principles.

Main Results:

  • Key differences in presentation and etiology exist.
  • Early diagnosis impacts treatment outcomes.
  • Conservative and surgical options are available.

Conclusions:

  • Understanding specific finger deformities is critical for pediatricians and orthopedic surgeons.
  • Timely and accurate diagnosis leads to better patient prognosis.
  • This review highlights core principles for managing these common pediatric conditions.