UPPER EXTREMITY JOINTS Dr Banafshe Esmaeilzade M S
UPPER EXTREMITY JOINTS Dr. Banafshe Esmaeilzade, M. S. , Ph. D. Deptartment of Anatomy Bushehr Univ. of Medical Sciences
STERNOCLAVICULAR JOINT
STERNOCLAVICULAR JOINT LIGAMENTS 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 �
Movement Trapezoid, scm, L. sca, Rhomboid Post: Trapezoid, Rhomboid Ant: serrator ant Subclavius, pectoralis min.
ACROMIOCLAVICULAR JOINT
ACROMIOCLAVICULAR JOINT LIGAMENTS Superior Acromioclavicular Ligament � Inferior Acromoclavicular Ligament � Coracoclavicular Ligament � Conoid � Trapezoid �
SUPERIOR ACROMIOCLAVICULAR LIGAMENT
CORACOCLAVICULAR LIGAMENT Conoid Trapezoid
GLENOHUMERAL JOINT
GLENOID LABRUM
GLENOHUMERAL JOINT LIGAMENTS Superior Glenohumeral Ligament � Middle Glenohumeral Ligament � Inferior Glenohumeral Ligament � Coracohumeral Ligament �
SUPERIOR GLENOHUMERAL LIGAMENT
MIDDLE GLENOHUMERAL LIGAMENT
INFERIOR GLENOHUMERAL LIGAMENT
INFERIOR GLENOHUMERAL LIGAMENT
INFERIOR GLENOHUMERAL LIGAMENT
CORACOHUMERAL LIGAMENT
Rotator Cuff ant view
Acromial Bursa >>
MOVEMENT
Shoulder action = ? Shoulder muscle(s) = ? Abduction Deltoid Supraspinatus
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
Internal Rotation External 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)
ELBOW JOINT
ELBOW JOINT � Articulations of elbow joint are; � Capitulum (lateral condyle of humerus) with the radius � Trochlea (medial condyle of humerus) with the ulna
ELBOW JOINT LIGAMENTS � Ulnar Collateral Ligament(UCL) � Radial Collateral Ligament � Annular Ligament: stabilizes and encircles the head of the radius
ULNAR COLLATERAL LIGAMENT (UCL) -ANT. BAND
ULNAR COLLATERAL LIGAMENT (UCL)-ANT BAND
ULNAR COLLATERAL LIGAMENT (UCL)POSTERIOR BAND
ULNAR COLLATERAL LIGAMENT (UCL)POSTERIOR BAND
RADIAL COLLATERAL LIGAMENT
RADIAL COLLATERAL LIGAMENT
ANNULAR LIGAMENT
OLECRANON BURSA
Movement
FOREARM JOINTS 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 �
SUPERIOR RADIOULNAR
MIDDLE RADIOULNAR
DISTAL RADIOULNAR
WRIST JOINT (RADIOCARPAL ) � Articulation of the radius and ulna with the scaphoid, lunate, and triquetral
WRIST JOINT LIGAMENTS � Ulnar Collateral Ligament � Radial Collateral Ligament � Volar Radiocarpal � Dorsal Radiocarpal
LIGAMENTS (ANTERIOR)
LIGAMENTS (POSTERIOR)
ULNAR COLLATERAL LIGAMENT
RADIAL COLLATERAL LIGAMENT
VOLAR RADIOCARPAL
DORSAL RADIOCARPAL LIGAMENT
MOVEMENT Flexion Extention Abduction Adduction Circumduction
INTERCARPAL JOINTS Palmar Dorsal
CARPOMETACARPAL JOINTS Palmar Dorsal
METACARPALPHALANGEAL JOINTS Volar plate Deep Transverse Metacarpal Collateral
INTERPHALANGEAL JOINTS (PIP) Collateral Volar Plate
INTERPHALANGEAL JOINTS (DIP) Collateral Volar Plate
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