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Dr. Banafshe Esmaeilzade , M.S., Ph.D. Deptartment of Anatomy Bushehr Univ. of Medical Sciences. Upper Extremity Joints. Sternoclavicular Joint. Anterior Sternoclavicular: prevents upward displacement of clavicle Posterior Sternoclavicular: prevents upward displacement of clavicle - PowerPoint PPT Presentation
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Dr. Banafshe Esmaeilzade, M.S., Ph.D.Deptartment of Anatomy Bushehr Univ. of Medical Sciences
Anterior Sternoclavicular: prevents upward displacement of clavicle
Posterior Sternoclavicular: prevents upward displacement of clavicle
Interclavicular: prevents lateral displacement of clavicle
Costoclavicular: prevents lateral and upward displacement of clavicle
Trapezoid, scm, L.sca, Rhomboid
Subclavius, pectoralis min.
Ant: serrator antPost: Trapezoid, Rhomboid
Movement
Superior Acromioclavicular Ligament Inferior Acromoclavicular Ligament Coracoclavicular Ligament
Conoid Trapezoid
Conoid Trapezoid
Superior Glenohumeral Ligament Middle Glenohumeral Ligament Inferior Glenohumeral Ligament Coracohumeral Ligament
RotatorCuffant view
AcromialBursa >>
Shoulder action = ?Shoulder muscle(s) = ? Abduction Deltoid
Supraspinatus
Shoulder action = ?Shoulder muscle(s) = ?
Flexion
Ant DeltoidUpper Pect MajorCoracobrach.
Shoulder action = ?Shoulder muscle(s) = ?
Adduction
Pect. Major (both)CoracobrachialisLatissimus DorsiTeres Major
Shoulder action = ?Shoulder muscle(s) = ?
Extension Lats Teres MajorPost. Deltoid Pectoralis Major (lower)Teres minor
Shoulder action = ?Shoulder muscle(s) = ?
External Rotation
InfrspinatusTeres MinorPost. Deltoid
Internal Rotation External Rotation
Internal Rotation
Subscapularis, Ant. Deltoid, Pect, Major, Lats. And Teres Major
External Rotation
External Rotation
Internal Rotation
Abduction (to work the supraspinatus)
Articulations of elbow joint are; Capitulum
(lateral condyle of humerus) with the radius
Trochlea (medial condyle of humerus) with the ulna
Ulnar Collateral Ligament(UCL) Radial Collateral Ligament Annular Ligament: stabilizes and
encircles the head of the radius
Movement
Superior Radioulnar: pivot joint moving in a ring formed by the ulna and annular ligament
Middle Radioulnar: shaft of bones held together by the interosseus membrane
Distal Radioulnar: pivot joint formed by the head of ulna with a notch on the radius
Articulation of the radius and ulna with the scaphoid, lunate, and triquetral
Ulnar Collateral Ligament Radial Collateral Ligament Volar Radiocarpal Dorsal Radiocarpal
FlexionExtentionAbduction AdductionCircumduction
Palmar Dorsal
DorsalPalmar
Volar plate Deep Transverse Metacarpal
Collateral
Collateral Volar Plate
Collateral Volar Plate