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Related Concept Videos

Bones of the Upper Limb: Humerus01:19

Bones of the Upper Limb: Humerus

The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
Bones of the Upper Limb: Ulna01:15

Bones of the Upper Limb: Ulna

The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side of the...
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...
Gross Anatomy of Bone01:17

Gross Anatomy of Bone

The two main features of a long bone are the diaphysis and the epiphysis.
The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The walls of the diaphysis are composed of dense and hard compact bone made of numerous osteons — the functional unit of the compact bone. The hollow region in the diaphysis is called the medullary cavity, which harbors the bone marrow. In infants and children, this marrow cavity is filled with red marrow, whereas in adults, it...
Bone Structure01:55

Bone Structure

Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.
Microscopic Anatomy of Skeletal Muscles01:13

Microscopic Anatomy of Skeletal Muscles

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Related Experiment Video

Updated: Jun 16, 2026

Biomechanical Testing of Murine Tendons
10:09

Biomechanical Testing of Murine Tendons

Published on: October 15, 2019

[Anatomic study on hook of hamate bone].

Bin Wang1, Jianwei Hu, Xuebai Zhang

  • 1Department of Hand Surgery, the Second Hospital of Tangshan, Tangshan Hebei, 063000, PR China. wbladyp3@sohu.com

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery
|February 9, 2010
PubMed
Summary

This study details the anatomy of the hook of hamate bone using anatomical and CT imaging methods. Findings provide crucial data for treating injuries to the hook of hamate bone and the ulnar nerve.

Related Experiment Videos

Last Updated: Jun 16, 2026

Biomechanical Testing of Murine Tendons
10:09

Biomechanical Testing of Murine Tendons

Published on: October 15, 2019

Area of Science:

  • Orthopedics
  • Anatomy
  • Radiology

Background:

  • The hook of the hamate bone is integral to the carpal tunnel, housing the deep branch of the ulnar nerve and flexor tendons.
  • Injuries to the hook of the hamate bone can compromise the ulnar nerve and adjacent tendons, necessitating precise anatomical understanding.

Purpose of the Study:

  • To elucidate the anatomical structure of the hook of hamate bone through dissection and computed tomography (CT).
  • To establish reliable reference data for the clinical management of hook of hamate bone injuries and associated neurovascular structures.

Main Methods:

  • Anatomical dissection of 52 upper limb cadaveric specimens.
  • CT three-dimensional reconstruction and morphometric analysis of 24 cadaveric and 24 healthy adult upper limbs.

Main Results:

  • The hook of hamate bone, comprising basal, waist, and coronal parts, exhibits a flat plate-like morphology.
  • Anatomical and CT measurements showed no statistically significant differences in key parameters, validating CT as a reliable assessment tool.
  • The deep branch of the ulnar nerve and flexor tendons are in close proximity to the hook of hamate bone.

Conclusions:

  • Fractures of the hook of hamate bone can lead to injury of the deep ulnar nerve and flexor tendons.
  • CT-derived measurements offer valuable clinical reference data for treating hook of hamate bone fractures and related pathologies.
  • A detailed understanding of hook of hamate bone anatomy is essential for effective surgical and non-surgical interventions.