Download Upper Extremity Joints

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