BONES OF UPPER EXTREMITY. Sternum Manubrium: Manubrium: Sternal (jugular) notch Clavicular and...
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Transcript of BONES OF UPPER EXTREMITY. Sternum Manubrium: Manubrium: Sternal (jugular) notch Clavicular and...
SternumSternum
Manubrium:Manubrium:Sternal (jugular) notchSternal (jugular) notch
Clavicular and costal facetsClavicular and costal facets
Sternal angle (of Louis):Sternal angle (of Louis):Marks location of second ribs.Marks location of second ribs.
Body of sternum:Body of sternum:Sternebrae Sternebrae
Xiphoid processXiphoid process
Clavicle: ShapeClavicle: Shape
SigmoidSigmoidConvex anteriorlyConvex anteriorlyConcave posteriorlyConcave posteriorly
Clavicle: Ligament AttachmentsClavicle: Ligament Attachments
Sternal end of clavicle to first costal Sternal end of clavicle to first costal cartilage:cartilage:
Costoclavicular ligamentCostoclavicular ligamentConoid tubercle:Conoid tubercle:
Conoid portion of coracoclavicular Conoid portion of coracoclavicular ligamentligament
Trapezoid line:Trapezoid line:Trapezoid portion of coracoclavicular Trapezoid portion of coracoclavicular
ligamentligament
Clavicle: Muscle AttachmentsClavicle: Muscle Attachments
Deltoid Deltoid Pectoralis majorPectoralis majorTrapezius Trapezius Sternocleidomastoid Sternocleidomastoid SubclaviusSubclavius
ScapulaScapula
Crosses ribs 2 through 7 in anatomical Crosses ribs 2 through 7 in anatomical position.position.
Scapula: Posterior SurfaceScapula: Posterior Surface
Scapular spineScapular spineSupraspinous fossaSupraspinous fossa Infraspinous fossaInfraspinous fossaSpinoglenoid notchSpinoglenoid notchMedial (vertebral border)Medial (vertebral border)Superior angleSuperior angle Inferior angleInferior angle
Scapula: Anterior SurfaceScapula: Anterior Surface
Subscapular fossaSubscapular fossaScapular (suprascapular) notchScapular (suprascapular) notch
Scapula: Coracoid ProcessScapula: Coracoid Process
Muscle attachments:Muscle attachments:Biceps brachii brevisBiceps brachii brevis
CoracobrachialisCoracobrachialis
Pectoralis minorPectoralis minor
Scapular ProcessesScapular Processes
Acromion processAcromion processGlenoid process:Glenoid process:
Articulation with head of humerus.Articulation with head of humerus.
Supraglenoid tubercle:Supraglenoid tubercle:Biceps brachii longus tendonBiceps brachii longus tendon
Infraglenoid tubercle:Infraglenoid tubercle:Triceps longusTriceps longus
HumerusHumerus
Anatomical neckAnatomical neckSurgical neckSurgical neckHead Head Medial supracondylar ridge (crest)Medial supracondylar ridge (crest)Lateral supracondylar ridge (crest)Lateral supracondylar ridge (crest)Medial epicondyleMedial epicondyleLateral epicondyleLateral epicondyleDeltoid tuberosityDeltoid tuberosity
Humerus: Anterior SurfaceHumerus: Anterior Surface
Greater tubercle (tuberosity):Greater tubercle (tuberosity):Superior facet (for supraspinatus muscle)Superior facet (for supraspinatus muscle)
Middle facet (for infraspinatus muscle)Middle facet (for infraspinatus muscle)
Inferior facet (for teres minor muscle)Inferior facet (for teres minor muscle)
Lesser tubercle (tuberosity):Lesser tubercle (tuberosity):For subscapularis muscleFor subscapularis muscle
Intertubercular groove:Intertubercular groove:For latissimus dorsi muscleFor latissimus dorsi muscle
Humerus: Anterior SurfaceHumerus: Anterior Surface
Crest of greater tubercle (lateral lip):Crest of greater tubercle (lateral lip):For pectoralis major muscleFor pectoralis major muscle
Crest of lesser tubercle (medial lip):Crest of lesser tubercle (medial lip):For teres major muscleFor teres major muscle
Radial fossaRadial fossaCoronoid fossaCoronoid fossaCapitulum Capitulum Trochlea Trochlea
Humerus: Posterior SurfaceHumerus: Posterior Surface
Spiral (radial) groove:Spiral (radial) groove:For radial nerve and deep brachial arteryFor radial nerve and deep brachial artery
Origin of lateral triceps superior to grooveOrigin of lateral triceps superior to groove
Origin of medial triceps inferior to grooveOrigin of medial triceps inferior to groove
Olecranon fossaOlecranon fossa
RadiusRadius
HeadHeadArticulates with capitulum of humerusArticulates with capitulum of humerus
Fovea Fovea
NeckNeckJust distal to headJust distal to head
Styloid processStyloid processDistal, lateral processDistal, lateral process
Articular surface for scaphoid boneArticular surface for scaphoid bone Articular surface for lunate boneArticular surface for lunate bone
RadiusRadius
Ulnar notchUlnar notchAt distal end of radius on medial sideAt distal end of radius on medial side
Interosseous marginInterosseous marginOn medial sideOn medial side
For attachment of interosseous membraneFor attachment of interosseous membrane
Anterior marginAnterior marginRadial tuberosity (bicipital tuberosity)Radial tuberosity (bicipital tuberosity)
Insertion for biceps brachii muscleInsertion for biceps brachii muscle
RadiusRadius
Posterior marginPosterior marginDorsal tubercleDorsal tubercle
Groove to extensor pollicis longus is Groove to extensor pollicis longus is lateral.lateral.
Groove for extensor carpi radialis longus Groove for extensor carpi radialis longus and and brevis is medial.brevis is medial.
Groove for extensor digitorum and indicis Groove for extensor digitorum and indicis musclesmuscles
UlnaUlna
Interosseous marginInterosseous marginHead (distal)Head (distal)Styloid processStyloid process
Distal, medialDistal, medialRadial notchRadial notch
At proximal endAt proximal end
UlnaUlna
Trochlear notch:Trochlear notch:Articulates with trochlea of humerusArticulates with trochlea of humerus
Coronoid processCoronoid processTuberosity Tuberosity Anterior borderAnterior border
UlnaUlna
Supinator fossaSupinator fossaSupinator crestSupinator crestPosterior borderPosterior borderOlecranon process:Olecranon process:
For insertion of tricepsFor insertion of triceps
CarpusCarpus
Proximal row of bones (radial to ulnar):Proximal row of bones (radial to ulnar):Scaphoid:Scaphoid:
Tubercle of scaphoidTubercle of scaphoid
LunateLunate
TriquetralTriquetral
Pisiform:Pisiform:Sesamoid bone in tendon of flexor carpi Sesamoid bone in tendon of flexor carpi ulnarisulnaris
CarpusCarpus
Distal row of bones (radial to ulnar):Distal row of bones (radial to ulnar):Trapezium Trapezium
Trapezoid Trapezoid
Capitate Capitate
Hamate:Hamate:Hook of hamate (hamulus)Hook of hamate (hamulus)
Carpometacarpal joint (CMC)Carpometacarpal joint (CMC)
Metacarpals Metacarpals
CarpusCarpus
Metacarpophalangeal joints (MCP)Metacarpophalangeal joints (MCP)Phalanges Phalanges
Proximal:Proximal:Proximal interphalangeal joint (PIP)Proximal interphalangeal joint (PIP)
Middle:Middle:Distal interphalangeal joint (DIP)Distal interphalangeal joint (DIP)
Distal:Distal: