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ANATOMY OF THE UPPER EXTREMITIES
Surface Anatomy: SHOULDER AND AXILLA
Surface Anatomy: SCAPULAR REGION
BONY LANDMARKS AND MUSCLES OF SCAPULAR REGION
ANTERIOR SHOULDER WITH AXILLARY FOLD AND WALLS
AXILLARY NEUROVASCULAR BUNDLE AND LONG THORACIC N.
CLAVIPECTORAL TRIANGLE AND CEPHALIC VEIN
MEDIAL VIEW OF ARM WITH BRACHIAL A., MEDIAN AND ULNAR N.
CUBITAL FOSSA
CUBITAL FOSSA: BOUNDARIES AND CONTENTS
CUBITAL FOSSA
ANTERIOR DISTAL FOREARM AND WRIST
POSTERIOR FOREARM AND WRIST
LATERAL VIEW DISTAL FOREARM AND WRIST
CONTENTS OF THE ANATOMICAL SNUFFBOX
ANTERIOR VIEW OF HAND
DORSAL VIEW OF HAND
FLEXOR RETINACULUM AND RECURRENT BRANCH OF MEDIAN N.
SUPERFICIAL AND DEEP PALMAR ARCHES
BONES OF THE UPPER EXTREMITIES
SHOULDER GIRDLE
• CLAVICLE (COLLAR BONE)
– STERNAL END –articulates with sternum
– ACROMIAL END –articulates with acromion of the scapula
• SCAPULA
– 2 surfaces –VENTRAL SURFACE (SUBSCAPULAR FOSSA), DORSAL SURFACE divided by the SPINE into SUPRA- and INFRASPINATUS FOSSAE
CLAVICLE
STERNOCLAVICULAR JOINT
RIGHT ACROMIOCLAVICULAR JOINT
PROXIMAL END, HUMERUS
GLENOHUMERAL JOINT
CAPSULE OF RIGHT GLENOHUMERAL JOINT
GLENOHUMERAL JOINT
ANTERIOR DISLOCATION, LEFT GLENOHUMERAL JOINT
HUMERUS
RADIUS
ANTERIOR VIEW OF PROXIMAL RADIUS
ULNA
COMPONENTS OF MOVEMENT IN THE ELBOW
RADIO-ULNAR JOINT
X-RAY OF THE ELBOW JOINT
X-RAY OF THE ELBOW JOINT: ANTERIOR VIEW
X-RAY OF THE ELBOW JOINT: LATERAL VIEW
MIDSHAFT FX OF HUMERUS : RADIAL N. INJURY
AP VIEW RADIUS AND ULNA
CARPAL BONES
• “PUT THE LAST STRAW TO THE CAMEL’S HEAD” – P = PISIFORM
– T = TRIQUETRIUM
– L = LUNATE
– S = SCAPHOID
– T = TRAPEZIUM
– T = TRAPEZOID
– C = CAPITATE
– H= HAMATE
AP X-RAY HAND AND WRIST
X-RAY WRIST
SCAPHOID FRACTURE
MUSCLES OF THE SHOULDER
• DELTOID
• SUPRASPINATUS
• INFRASPINATUS
• TERES MINOR
• SUBSCAPULARIS
• TERES MAJOR
MUSCLES OF THE SHOULDER
MUSCLES OF THE SHOULDER
RIGHT POSTERIOR SCAPULAR REGION
ARTERIES AND NERVES, POST. SCAPULAR AREA
PECTORALIS MAJOR MUSCLE
LATERAL WALL OF THE AXILLA
POSTERIOR WALL OF THE AXILLA
CONTENTS OF THE AXILLA: MUSCLES
CONTENTS OF THE AXILLA: AXILLARY A.
LYMPH NODES AND VESSELS OF THE AXILLA
BRANCHES OF THE AXILLARY A.
AXILLARY VEIN
TRANSVERSE SECTION THRU MID ARM
DISTAL END OF THE HUMERUS
MUSCLE COMPARTMENTS OF ARM AND FOREARM
INNERVATION OF THE UPPER LIMBS
BRACHIAL PLEXUS
BRACHIAL PLEXUS
BRANCHES OF THE ROOTS AND TRUNKS OF BRACHIAL PLEXUS
BRANCHES OF THE LATERAL AND MEDIAL CORDS
BRANCHES OF THE POSTERIOR CORD
DERMATOMES AND MYOTOMES
NERVES RELATED TO THE HUMERUS
MUSCLES OF THE ARM
• CORACOBRACHIALIS – flex, adduct arm –MC N.
• BICEPS LONG HEAD – flex arm, forearm –MC N.
• BICEPS SHORT HEAD –supinatesnhand –MC N.
• BRACHIALIS – flex forearm –MC., RAD., MED
• TRICEPS – LONG HEAD –extend, adduct arm-RADIAL N.
– LATERAL HEAD –extend forearm-RADIAL N.
– MEDIAL HEAD-extend forearm-RADIAL N.
BICEPS BRACHII AND BRACHIALIS M.
TRICEPS MUSCLE
MUSCULOCUTANEOUS, MEDIAN, ULNAR N.
RADIAL NERVE IN THE ARM
MUSCLES OF THE ANTERIOR FOREARM
• SUPERFICIAL GROUP
– PRONATOR TERES –pronates hand –MEDIAN N.
– FLEX. CARPI RADIALIS –flex forearm; flex, abduct hand-MEDIAN N.
– PALMARIS LONGUS-flex arm, forearm –MEDIAN N.
– FLEX. CARPI ULNARIS-flex forearm; flex, adducts hand-ULNAR N.
– FLEX. DIGITORUM SUPERFICIALIS; flex hand, forearm –MEDIAN N.
SUPERFICIAL LAYER FOREARM MUSCLES
MUSCLES OF THE ANTERIOR FOREARM
• DEEP GROUP
– FLEX. DIGIT. PROFUNDUS –flex all phalanges, hand –MEDIAN, ULNAR N.
– FLEX POLL. LONGUS –flex thumb; flex, adducts 1st metacarpal –ULNAR N.
– PRONATOR QUADRATUS –pronates hand –MEDIAN N.
DEEP LAYER FOREARM MUSCLES
MUSCLES OF THE POSTERIOR FOREARM
• SUPERFICIAL GROUP – BRACHIORADIALIS –flex forearm –RADIAL N. – EXT. CARPI RADIALIS LONGUS –extend, abducts hand –
RADIAL – EXT. CARPI RADIALIS BREVIS –EXTEND, ABDUCTS
HAND –RADIAL – EXT. DIGIT. COMMUNIS –extends fingers, hand -
RADIAL – EXT. DIGIT. MINIMI –extends little finger –RADIAL – EXT. CARPI ULNARIS –extends, adducts hand –RADIAL – ANCONEUS –extends forearm -RADIAL
POST. COMPARTMENT SUPERFICIAL LAYER
MUSCLES OF THE POSTERIOR FOREARM
• DEEP GROUP – SUPINATOR –supinates hand –RADIAL N.
– ABDUCTOR POLL. LONGUS –abducts thumb, hand –RADIAL N.
– EXT.POLL. BREV. –extends last phalanx of thumb, abducts hand –RADIAL
– EXT. POLL. LONGUS –extends first phalanx of thumb, abducts hand –RADIAL
– EXT. INDICIS –extends and adducts index finger -RADIAL
DEEP LAYER, POST. COMPARTMENT
CONTENTS OF CUBITAL FOSSA
ARTERIES OF THE ANT. COMPARTMENT
PALMAR APONEUROSIS
ANATOMICAL SNUFFBOX
DORSAL INTEROSSEI (PALMAR VIEW)
ADDUCTOR POLLICIS
THENAR AND HYPOTHENAR MUSCLES
LUMBRICAL MUSCLES
ARTERIAL SUPPLY OF THE HAND
DEEP PALMAR ARCH
DORSAL VENOUS ARCH
ULNAR NERVE IN THE HAND
RADIAL NERVE IN THE HAND
BRACHIAL ARTERY AND BRANCHES
ARTERIAL ANASTOMOSIS AROUND THE SHOULDER
VEINS OF THE ARM
SUPERFICIAL VEINS