660 likes | 715 Views
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
E N D
Dr. BanafsheEsmaeilzade, M.S., Ph.D. Deptartment of Anatomy Bushehr Univ. of Medical Sciences Upper Extremity Joints
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 Sternoclavicular Joint Ligaments
Movement Trapezoid, scm, L.sca, Rhomboid Post: Trapezoid, Rhomboid Ant: serrator ant Subclavius, pectoralis min.
Superior Acromioclavicular Ligament • Inferior Acromoclavicular Ligament • Coracoclavicular Ligament • Conoid • Trapezoid Acromioclavicular Joint Ligaments
Coracoclavicular Ligament Conoid Trapezoid
Superior Glenohumeral Ligament Middle Glenohumeral Ligament Inferior Glenohumeral Ligament Coracohumeral Ligament Glenohumeral Joint Ligaments
Rotator Cuff ant view
Acromial Bursa >>
Shoulder action = ? Shoulder muscle(s) = ? Deltoid Supraspinatus Abduction
Shoulder action = ? Shoulder muscle(s) = ? Flexion Ant Deltoid Upper Pect Major Coracobrach.
Shoulder action = ? Shoulder muscle(s) = ? Adduction Pect. Major (both) Coracobrachialis Latissimus Dorsi Teres Major
Shoulder action = ? Shoulder muscle(s) = ? Extension Lats Teres Major Post. Deltoid Pectoralis Major (lower) Teres minor
Shoulder action = ? Shoulder muscle(s) = ? External Rotation Infrspinatus Teres Minor Post. Deltoid
External Rotation Internal Rotation Internal Rotation Subscapularis, Ant. Deltoid, Pect, Major, Lats. And Teres Major
Rotator Cuff Exercises External Rotation Internal Rotation External 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 Elbow Joint
Ulnar Collateral Ligament(UCL) Radial Collateral Ligament Annular Ligament: stabilizes and encircles the head of the radius Elbow Joint Ligaments
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 Forearm Joints