12 whole upper limb
TRANSCRIPT
Upper limb anatomy
Winners make rules, and
losers follow it…
Breast anatomy
Extent of the breast
2nd rib
6th rib
4th rib
Pectoralis major m.&
fascia
The breast lies over
Serratus anterior m.
External oblique m.
Rectus sheath
Clavicular head of pectoralis major m.
Sternocostalhead of
Pectoralis major m.
Insertion of pectoralis major m.
Origin of serratus anterior m.
Inserted along the inner aspect of
medial lib of scapula
Architecture of the breast
Lobe of mammary gland(breast fat)
Suspensory lig. of breast
Lobe of mammary gland
Suspensory lig. of breast
Blood supply of the breast
Internal mammary artery
Medial perforators)artery, vein, nerve & lymph(
Axillary a.
Lateral thoracic a.
Aorta
3rd intercostal a.
Intercostal arteries
Accessory hemiazygos v.
Intercostal v.
Hemiazygos v.Azygos v.
Azygos v.
S.V.C
Sympatheticchain
Lymph drainage of the breast
Pectoral node I
Pectoral node III
Interpectoral L.N of Rotor
Pectoral node II
Pectoral node I
Pectoral node III
Axilla
What is axilla?Medial side of the arm
Lateral side of chest wall
Anterior wall of axilla
Pectoralis major m.
Pectoralis minor m . &fascia
Suspensory lig. of axilla
Clavipectoral fascia
Subclavius m. & fascia
Posterior & medial wall of axilla
Subscapularis m.
Teres major m.
Serratus anterior m.(medial wall)
Posterior wall
Lateral wall of axilla
Coracobrachialis m.
Short head of biceps brachii m.
Apex
Neurovascular bundle
Clavicle
1st ribAcromion
Contents of axilla
Axillary artery
Axillary vein
Brachial plexus
Lymphatics
Triangular & quadrangular spaces
Subscapularis
Hum
erus
Teres major
Long
hea
d of
trice
ps
Posterior cord of brachial plexus
Axillary nerve
Radial nerve
Nerve to long head of triceps
Nerve to latissimus dorsi
Long thoracic nerve
Cubital fossa(borders)
Imaginary line at the lower border of brachii muscle
Brachioradialis muscle)Laterally(
Pronator teres m.)Medially(
Floor of cubital fossa
Brachialis muscle
Supinator m.
Content of cubital fossa
Median nerve
Brachial artery
Radial nerve
Anatomical snuff box
Adductor pollicis longus m.
Extensor pollicis brevis m.
Extensor pollicis longus m.)Medially(
Laterally
Floor of snuff box
Extensor carpi radialis brevis m.
Extensor carpi radialis longus m.
Content of snuff box
Radial artery
Extensor retinaculum
Extensor retinaculum of wrist
Adductor pollicis longus m.
Extensor pollicis brevis m.1st
Comp.
Extensor carpi radialis brevis m.Extensor carpi radialis longus m.
2nd Comp.
Extensor pollicis longus m. (3rd comp.)
Extensor digitorum m.
Extensor indicis m.4th
Comp.
Muscles of upper limb(Shoulder Region)
Origin of clavicular head of pectoralis major m.From the medial ½ of front of clavicle
Origin of sternocostal head ofPectoralis major m. from anterior Surface of sternum upper 6 c.c.
Insertion of pectoralis major m.In the lateral lip of
bicipital groove of humerus
Nerve supplyMed. & lat. Pectoral nerves
Origin of Pectoralis minor m. from 3rd, 4th &5th ribs.
Insertion of pectoralis minor m.In the coracoid process
Nerve supplyMedial pectoral n.
Origin of subclavius m. from 1st costochondral junction.
Insertion of subclavius m.In the lower surface of the
Middle ½ of the clavicle.
Origin of serratus anterior m.By 8 digitations from upper ribs
Inserted of serratus anterior m.along the inner aspect of medial lib of scapula
Origin of trapezius m. 1. Superior nuchal line.2. External occiptal protuberance.3. Ligamentum nuchae.4. C7 spine & spines of all
thoracic vertebrae.
Insertion of trapezius m.In the lateral 1/3 of the
Clavicle & in the acromion.
Origin of latissimus dorsi m.
Lower 6 thoracic spines.
Lumber fascia.
Iliac crest.
Inferior angle of scapula
Lower 8 ribs
Insertion of latissimus dorsi m. in the floor of bicipital groove
of humerus
Insertion of teres major m. in the
medial lip of bicipital groove
Insertion of pectoralis major m. in the lateral lip of bicipital groove
Insertion of latissimus dorsi m. in the floor of
bicipital groove
Origin of the levator scapulae m. from transverse process of the
upper 4 cervical vertebrae
Insertion of the levator scapulae m. in medial border of scapula from superior angle to root of
spine.
Origin of the levator scapulae m. from transverse process of the
upper 4 cervical vertebrae
Insertion of the levator scapulae m. in medial border of scapula from superior angle to root of
spine.
Origin of rhomboid minor m. from C7 & T1 spines.
Insertion of rhomboid minor m. in medial border of the scapula opposite to root of
spine.
Origin of rhomboid major m. from T2,3,4 & 5
spines
Insertion of rhomboid major m. in medial
border of the scapula; from root of the spine
till inferior angle
Origin of supraspinatus m. from supraspinous fossa.
Insertion of supraspinatus m. in upper impression of greater
tubercle of the humerus
Insertion of supraspinatus m. in upper impression of greater
tubercle of the humerus
Origin of infraspinatus m. from Infraspinous fossa
Insertion of infraspinatus m. in middle impression of the
greater tubercle
Insertion of infraspinatus m. in middle impression of the
greater tubercle
Origin of teres minor m. from upper ⅔ of the lateral border of
the scapula (dorsal)
Insertion of teres minor m. in lower impression of the
greater tubercle
Insertion of teres minor m. in lower impression of the
greater tubercle
Origin of teres major m. from upper 1/3 of lat
border of scapula (dorsal)
Insertion of teres major m. in medial lip of the bicipital
groove
Insertion of teres major m. in the
medial lip of bicipital groove
Origin of subscapularis m. from subscapular
fossa
Insertion of subscapularis m. in lesser tubercle of the humerus
Origin of deltoid m. from lateral ⅓ of the clavicle
Lateral border of acromion
Crest of the scapular spine
Insertion of deltoid m. in the deltoid tuberosity of
the humerus
Muscles of the Arm The Front of the Arm
Origin of coracobrachialis m. from tip of coracoid process.
Insertion of coracobrachialis m. in middle of the shaft of humerus medially.
Insertion of coracobrachialis m. in middle of the shaft of humerus medially.
Origin of short head of biceps brachii m. from
tip of coracoid process
Insertion of biceps brachii m. in bicipital
aponeurosis
Origin of long head of biceps brachii m. from supraglenoid tubercle
Infraglenoid tubercle
Insertion of biceps brachii m. in radial tuberosity
Origin of brachialis m. from front of lower ½ of
humerus
Insertion of brachialis m. in front of ulna
The back of arm
Origin of long head of triceps m. from infra-glenoid tubercle
Origin of lateral head of triceps m. from back of humerus (spiral groove)
Insertion of triceps m. in Top of the olecranon
process of ulna
supraglenoid tubercle
Insertion of long head of triceps m. in infraglenoid
tubercle
Origin of the medial head of triceps m. from back of humerus (spiral
groove)
Muscles of the hand
Abductor pollicis brevis m.
Flexor pollicis brevis m.
Abductor digiti minimi m.
Flexer digiti minimi brevis m.
Opponens digiti minimi m.
Opponens pollicis m.
Digital branches of median nerveSupplies lateral 3 ½ fingers.
Digital branches of ulnar nerveSupplies medial 1 ½ fingers.
Radial bursa
Ulnar bursa
3 separate synovial sheaths
Tendon of flexor digitorum superficialis m.
Tendon of flexor digitorum profundus m.
Lumbrical ms.
Oblique head of adductor pollicis m.
Transverse head of adductor pollicis m.
Palmar interosseous ms. Supplied by deepBranch of ulner n .