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関連する概念動画

Bones of the Upper Limb: Ulna01:15

Bones of the Upper Limb: Ulna

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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...
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Bones of the Upper Limb: Radius01:09

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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.
The radius has a nail-shaped head, and a...
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Ankle Joint01:10

Ankle Joint

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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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.
The Cervical Plexus
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Bones of the Upper Limb: Humerus01:19

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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...
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Muscles that Move the Forearm01:16

Muscles that Move the Forearm

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The muscles that move the forearms can be divided into four groups: forearm flexors, forearm extensors, forearm pronators, and forearm supinators. The flexors and extensors act on the elbow joint, while the pronators and supinators act on the radioulnar joints.
Forearm Flexors
The biceps brachii, brachialis, and brachioradialis are forearm flexors. The biceps brachii is made up of two heads. Its long head originates at the supraglenoid tubercle of the scapula, whereas that of the short head is...
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Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel
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ディスタル ラジオアルナー 関節 不安定

Simon Bruce Murdoch Maclean1,2

  • 1Tauranga Hospital, Tauranga, New Zealand.

The journal of hand surgery Asian-Pacific volume
|August 22, 2025
PubMed
まとめ
この要約は機械生成です。

ディスタル放射性関節 (DRUJ) の不安定性は,関節の安定性を影響する複雑な要因によるものです. 発症原因,発症形態,画像診断は 急性および慢性疾患の有効な管理に不可欠です

キーワード:
アナトミーディスタル・ラディオールナー・ジョイントの不安定性ディスタル半径骨折キネマティック再構築TFCC について

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科学分野:

  • 整形 術
  • アナトミー
  • バイオメカニクス

背景:

  • 前腕の回転と手首の機能に不可欠である.
  • DRUJの不安定さは,その複雑な解剖学と安定性のために軟組織に依存しているため,重要な臨床的課題です.

研究 の 目的:

  • ディスタル・ラジオアルナー・ジョイント (DRUJ) の不安定性に関する包括的な見直しを行う.
  • DRUJの不安定性に関連した解剖学,運動学,病因学,画像の発見を明らかにする.
  • 急性および慢性DRUJの不安定性に対する現在の外科的管理戦略を概説する.

主な方法:

  • DRUJの不安定性に焦点を当てた体系的な文献レビュー.
  • DRUJの安定性に貢献する解剖学的構造の分析
  • DRUJ病理の診断イメージング方法のレビュー
  • DRUJの不安定性に対する外科的手法の評価

主要な成果:

  • DRUJの安定性は,骨,軟骨,帯構造に依存し,しばしば組み合わせて作用する.
  • 様々な病因がDRUJの不安定化に寄与し,徹底的な診断が必要である.
  • 効果的な管理には,急性および慢性的なプレゼンテーションに寄与する特定の要因を理解する必要があります.

結論:

  • DRUJの解剖学と生体力学に関する包括的な理解は,不安定性の診断と管理に不可欠です.
  • 正確な画像と病因学的評価は,適切な手術の選択を導く.
  • このレビューは,DRUJの不安定性を管理する臨床医を支援するために,現在の知識を統合しています.