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  2. Palmar plate - Wikipedia

    en.wikipedia.org/wiki/Palmar_plate

    These bands help stabilise the volar plates over the metacarpal heads. [2] In contrast to the volar plates of the MCP joints of the fingers, the volar plate of the thumb MCP joint is a thick structure firmly attached to the base of the proximal phalanx. It forms the bottom of a two-sided box, the sides of which are made up of the collateral ...

  3. Palmar radioulnar ligament - Wikipedia

    en.wikipedia.org/wiki/Palmar_radioulnar_ligament

    The palmar radioulnar ligament (volar radioulnar ligament, anterior radioulnar ligament) is a narrow band of fibers extending from the anterior margin of the ulnar notch of the radius to the front of the head of the ulna. It is sometimes abbreviated PRUL. [1]

  4. Capsule of the glenohumeral joint - Wikipedia

    en.wikipedia.org/wiki/Capsule_of_the_gleno...

    The capsule of the glenohumeral (shoulder) joint is the articular capsule of the shoulder.It completely surrounds the joint. It is attached above to the circumference of the glenoid cavity beyond the glenoidal labrum, and below to the anatomical neck of the humerus, approaching nearer to the articular cartilage above than in the rest of its extent.

  5. Triangular fibrocartilage - Wikipedia

    en.wikipedia.org/wiki/Triangular_fibrocartilage

    There are two RULs: the palmar and dorsal radioulnar ligaments. [citation needed] These ligaments arise from the distal radius medial border and insert on the ulna at two separate and distinct sites: the ulna styloid and the fovea (a groove that separates the ulnar styloid from the ulnar head).

  6. Dorsal radioulnar ligament - Wikipedia

    en.wikipedia.org/wiki/Dorsal_radioulnar_ligament

    The dorsal radioulnar ligament (posterior radioulnar ligament) extends between corresponding surfaces on the dorsal aspect of the distal radioulnar articulation.

  7. Head of radius - Wikipedia

    en.wikipedia.org/wiki/Head_of_radius

    The head of the radius has a cylindrical form, and on its upper surface is a shallow cup or fovea for articulation with the capitulum of the humerus.The circumference of the head is smooth; it is broad medially where it articulates with the radial notch of the ulna, narrow in the rest of its extent, which is embraced by the annular ligament.

  8. Shoulder joint - Wikipedia

    en.wikipedia.org/wiki/Shoulder_joint

    The shoulder joint is a muscle-dependent joint as it lacks strong ligaments. The primary stabilizers of the shoulder include the biceps brachii on the anterior side of the arm, and tendons of the rotator cuff; which are fused to all sides of the capsule except the inferior margin. [5]

  9. Shoulder - Wikipedia

    en.wikipedia.org/wiki/Shoulder

    Shoulder anatomy, front view Shoulder anatomy, back view The rotator cuff is an anatomical term given to the group of four muscles and their tendons that act to stabilize the shoulder. [ 3 ] These muscles are the supraspinatus , infraspinatus , teres minor and subscapularis and that hold the head of the humerus in the glenoid cavity during ...