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Related Concept Videos

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.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis,...
Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above the...
Cardiovascular System Abnormal Findings I: Inspection and Palpation01:29

Cardiovascular System Abnormal Findings I: Inspection and Palpation

In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

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.
The radius has a nail-shaped head, and a short...
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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...

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Related Experiment Video

Updated: Jun 24, 2026

Metacarpal Small Incision for Carpal Tunnel Syndrome
04:08

Metacarpal Small Incision for Carpal Tunnel Syndrome

Published on: April 5, 2024

Cally's carpal complaint.

Patrick J Phillips1, Simon Burnet

  • 1Department of Endocrinology, The Queen Elizabeth Hospital, South Australia. patrick, Australia. phillips@nwahs.sa.gov.au

Australian Family Physician
|March 14, 2009
PubMed
Summary
This summary is machine-generated.

A 44-year-old woman experiences worsening hand numbness and tingling, impacting daily activities. This suggests a potential neurological issue requiring medical evaluation for timely diagnosis and treatment.

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Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
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Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies

Published on: January 11, 2019

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Last Updated: Jun 24, 2026

Metacarpal Small Incision for Carpal Tunnel Syndrome
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Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
06:40

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies

Published on: January 11, 2019

Area of Science:

  • Neurology
  • Occupational Health

Background:

  • Carpal tunnel syndrome (CTS) and other nerve entrapment syndromes are common, particularly in middle-aged individuals.
  • Repetitive hand use and certain health factors can contribute to nerve compression.

Observation:

  • A 44-year-old female presents with progressive bilateral hand numbness and tingling, primarily affecting the thumb and first three fingers.
  • Symptoms include morning stiffness, the need for shaking to alleviate paresthesia, and functional decline in activities like gardening.
  • Onset in the left hand occurred recently, indicating a worsening or bilateral progression of the condition.

Findings:

  • The patient reports a 4-month history of symptoms in her dominant right hand, now extending to the left hand.
  • Increased body mass index (BMI) of 27.2 kg/m2 and reduced energy levels were noted over the past year.
  • No regular medications are being taken, and the patient is generally healthy otherwise.

Implications:

  • The symptoms are highly suggestive of bilateral carpal tunnel syndrome or a similar peripheral neuropathy.
  • Weight gain and reduced energy may be contributing factors or co-existing conditions affecting nerve health.
  • Prompt medical assessment is crucial for accurate diagnosis and management to prevent further functional impairment.