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JOINTS OF THE UPPER LIMB. Victoria Gugenheim Body Art. Kaan Yücel M.D., Ph.D . 03.March.2014 Monday. JOINTS OF THE UPPER LIMB. Acromioclavicular joint & Sternoclavicular joint Glenohumeral (Shoulder) joint Elbow joint Proximal (Superior) and Distal (Inferior) radio-ulnar joints

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JOINTS OF THE UPPER LIMB

Victoria Gugenheim Body Art

Kaan Yücel M.D., Ph.D.

  • 03.March.2014 Monday


JOINTS OF THE UPPER LIMB

  • Acromioclavicular joint & Sternoclavicular joint

  • Glenohumeral (Shoulder) joint

  • Elbow joint

  • Proximal (Superior) and Distal (Inferior) radio-ulnar joints

  • Radiocarpal (Wrist) joint

  • Intercarpal joints

  • Carpometacarpal and intermetacarpal

  • Interphalangeal


STERNOCLAVICULAR JOINT

the only articulation between upper limb & axial skeleton

Articulation between Sternum & clavicle

Saddle typefunctions as a ball-and-socket joint

Articulardisc

Sternalend of clavicle v.s. Manubrium& 1st costal cartilage


LIGAMENTS OF THE STERNOCLAVICULAR JOINT

Anterior and posterior sternoclavicular ligaments

Interclavicular ligament

Costoclavicular ligament


MOVEMENTS OF THE

STERNOCLAVICULAR JOINT

Strong but mobile

Raising theclavicle(60°) duringfullelevation of thelimb

Onceelevation is completedviaflexion; rotation of theclavicle

arounditslongitudinalaxis

Anterior and posterior movements of the clavicle


ACROMIOCLAVICULAR JOINT

2-3 cm from the “point” of the shoulder formed by the lateral part of the acromion

Articulation between Acromion of scapulae & clavicle

Plane type

Articulardisc

Acromialend of clavicle v.s. Acromionof scapula


LIGAMENTS OF THE ACROMIOCLAVICULAR JOINT

Intrinsic ligament

Acromioclavicularligament

Extrinsic ligament

Coracoclavicular ligament

conoid ligament (medial)

trapezoid ligament (lateral)


MOVEMENTS OF THE ACROMIOCLAVICULAR JOINT

Acromion rotates on the acromial end of the clavicle.

associated with motion @ physiological scapulothoracicjoint


GLENOHUMERAL (SHOULDER) JOINT

more freedom of movement than any other joint in the body

Articulation between humeral head v.s.glenoid cavity of the scapula

Ball-and-socket type

Glenoidlabrum(L., lip)

  • MORE IMAGES

  • 114-122


LIGAMENTS OF THE

GLENOHUMERAL (SHOULDER) JOINT

Glenohumeralligaments

Coracohumeral ligament

Transverse humeral ligament

4. Coracoacromialligament

Jointstability

coraco-acromialarch


MOVEMENTS OF THE

GLENOHUMERAL (SHOULDER) JOINT

Flexion & extensionof the humerus

Abduction & adductionof the humerus

Medial &lateral rotation of the humerus

Circumduction


BURSAE AROUND THE

GLENOHUMERAL (SHOULDER) JOINT


ELBOW JOINT

2-3 cm inferior to the epicondyles of the humerus

Articulation betweenHumerus, ulna and radius

Hinge type

Trochleaof humerusv.s. Trochlearnotch of ulna

Capitilum of humerusv.s. Head of radius


LIGAMENTS OF THE ELBOW JOINT

Medial (ulnar) and lateral (radial) collateral ligaments


MOVEMENTS OF THE ELBOW JOINT

Flexion and extension occur at the elbow joint.

The long axis of the fully extended ulna

makes an angle with the long axis of the humerus.

forearm angles away from the body when something is carried.

more pronounced in women than in men


BURSAE AROUND THE ELBOW JOINT


PROXIMAL (SUPERIOR) RADIO-ULNAR JOINT

Articulation between Radius and ulna proximally

Pivot type

Headof radius v.s. Radialnotch ofulna

Anularligament

Supination & pronation

  • MORE IMAGES

  • 133 -134


DISTAL (INFERIOR) RADIO-ULNAR JOINT

Articulation between Radius and ulna distally

Pivot type

Articular disc

headof ulna v.s. ulnar notch of radius

Anterior and posterior ligaments

  • Supination & pronation

Radiusmoves around relatively fixed distal end of ulna.


WRIST (RADIOCAPRAL) JOINT

Articulation between Radius and proximalrow of carpalbonesCondyloid(ellipsoid) type

Articular disc

Distalend of the radius ,disc of the distal radio-ulnar joint

v.s.

proximal row of carpal bones, except for the pisiform


LIGAMENTS OF THE

WRIST JOINT

Dorsal and palmar radiocarpal ligaments

Ulnar collateral ligament

Radial collateral ligament


MOVEMENTS OF THE WRIST JOINT

Proximal

&

Distal

Radioulnar

joints

Mostadduction @ wristjoint

Abduction from the neutral position occurs @ midcarpaljoint.

Flexion of thehand> Extension of thehand

Adduction of thehand > Abduction of thehand


INTERCARPAL JOINTS

Planetype

  • Joints between carpal bones of the proximal row

  • Joints between carpal bones of the distal row

  • Midcarpal jointbetween proximal &distal rows of carpal bones

Anterior, posterior, and interosseous ligaments


CARPOMETACARPAL & INTERMETACARPAL JOINTS

carpometacarpal joint of the thumb

between trapezium & base of 1st metacarpal


METACARPOPHALANGEAL

&

INTERPHALANGEAL JOINTS

  • MORE IMAGES

  • 135-138

Metacarpophalangealjoints

condyloidtype

biaxialplane: flexion-extension and adduction-abduction

Interphalangealjoints

hinge type

uniaxialflexion-extension only


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