Anatomy IA Flashcards
4 bursae shoulder
Subscapular
Subacromial
Infraspinatous
Supraspinatous
4 ligaments of shoulder,
Strongest to weakest
Coracoacromial
Coracohumeral
Transverse humeral
Glenohumeral
Nerve supply shoulder
Sub scapular
Su capsular
Axillary
Floor bicipital groove
Lats
Medial lip bicipital groove
Teres major
Lateral lip bicipital groove
Pectoralis major
Flexion shoulder
Pectoralis major
Anterior fibres deltoid
Biceps
Corachobrachialis
PABC
Extension shoulder
Teres major
Posterior fibres deltoid
Latissimus dorsi
Medial rotation shoulder
Subscapularis Teres major Pectoralis major Tendon of LD Anterior fibres deltoid
Origin and insertion teres major
Origin- lower 1/3 lateral scapula
Insertion- medial lip bicipital groove
Lateral rotation shoulder
Teres minor
Infraspinatous
Posterior fibres deltoid
Adduction shoulder
MAJOR
teres major
Pectoralis major
Abduction shoulder first 40 degrees
Supraspinatous
90 degrees abduction shoulder
Deltoid
Abduction before vertical
Trapezius
Serratus anterior
Abduction shoulder to vertical
Infrapsonatous
Muscles of anterior compartment atm
BBC
Biceps
Brachialis
Corachobrachialis
Biceps O and I
Long head: supraglenoid tubercle scapula
Short head: apex coracoid
–> radial tuberosit
Brachialis O and I
Anterior humerus
–> tuberosity ulna
Corachobrachialis O and I
Coracoid process
–> linear mid shaft medial humerus
Function biceps
Flexion elbow
Supination
Flexion arm
Triceps O and I
Long head: infraglenoid tubercle
Medial head: medial humerus
Lateral head: lateral humerus
–> olecranon
Posterior wall axilla
Subscapularis
Teres major
Latissimus dorsi
Anterior wall axilla
Pectoralis major
Pectoralis minor in clavipectoral fascia
Medial wall axilla
Serratus anterior to 4th rib
Lateral wall axilla
Inter tubercular groove
Biceps tendon
Apex of axilla
Clavicle
Scapula
Outer first rib
Contents of axilla
Muscles Long head biceps LD Teres major Pectoralis minor Corachobrachialis Short head biceps Long thoracic nerve Axillary nvbundle Lymph nodes
Cubital fossa boundaries
Intercondylar line
Lateral-brachoradialis
Medial-pronator teres
Lateral-medial cubital fossa
Tendon biceps
Artery- brachial
Nerve- median
Floor cubital fossa
Brachialis
Sulpinator
Roof cubital fossa
Deep fascia forearm
Bicipital aponeurosis
Median cubital vein
Medial and lateral cutaneous nerves of forearm
Axillary lymph nodes
Lateral/posterior/anterior–> central
Central–> apical
Infra navicular–> apical
Superficial layer anterior comp forearm
Pronator teres
Flexor Carpi radialis
Palmaris lingus
Flexor carpi ulnaris
Intermediate layer anterior forearm
Flexor digitorum superficialis
Deep layer anterior compartment forearm
Pronator quadratus
Flexor pollicis longus
Flexor digitorum profundis
Pronator teres
Humeral head- medial epicondyle
Ulnar head- coronoid process
Flexor carpi radialis
Medial epi–> base of metacarpals 2 and 3
Palmaris longus
Medial epi–> palmar aponeurosis
Flexor carpi ulnaris
Humeral head- medial epicondyle
Ulnar head- olecranon
Flexor digitorum superficialis
Humeroulnar head- medial epi and coronoid
Radial head- oblique line
–> MIDDLE phalanx
Pronator quadratus
Radius to ulna
Flexor pollicis longus
Radius/ iom
–> DISTAL phalanx thumb
Flexor digitorum profundis
Ulna/iom
–> DISTAL phalanx
Innervation anterior comp forearm
MEDIAN nerve
(Anterior interosseous for deep layer)
Except flexor carpi ulnaris, medial 1/2 FDP
Wrist flexion
FCU
FCR
Finger flexion
FDS
FDP
Thumb flexion
FPL
Pronation
Pronator teres
Pronator quadratus
9 tendons of the carpal tunnel
FDS
FDP
FPL
Extensor of forearm= posterior compartment nerve supply
Radial nerve
And posterior interosseous nerve of radial
Superficial comp posterior forearm 7 muscles
Brachoradialis ECRL ECRB Extensor digitorum Extensor digiti minimi ECU Anconeus
Brachoradilis
Supracondylar ridge–> distal radius
Extensor carpi radialis longus
Supra condylar ridge
– base meta 2
Extensor carpi radialis breaks
Lateral epicondyle
– base of meta 2 and 3
Extensor digitorum
Lateral epicondyle
– extensor hood (middle and distal phalanx)
Extensor digiti minimi
Lateral epicondyle
– eh of little finger
Extensor carpi ulnaris
Lateral epicondyle
– base meta 5
Anconeus
Lateral epicondyle
– olecranon
Deep muscles of posterior forearm
Supinator Extensor indicis Extensor pollicis longus Extensor pollicis brevis Abductor pollicis longus
Supinator
Superficial head– lateral epicondyle
Deep head– supinator crest ulna
–> lateral radius
Extensor indicis
Posterior ulna
–> eh index finger
Extensor pollicis longus
Posterior ulna–> distal phalanx
Extensor pollicis brevis
Posterior radius
–> proximal phalanx
Abductor pollicis longus
Posterior radius and ulna
–> metacarpal 1
Bones of snuff box
Scaphoid
Trapezium
Contents of snuff box
Radial artery
Superficial branch radial nerve
Cephalic vein
Edges of snuff box
Extensor pollicis longus, brevis, abductor pollicis longus
Extensor retinaculum
Radial styloid–> pisiform and triquetrum
Intrinsic muscles of hand
Palamaris brevis Dorsal interossei Palmar interossei Adductor pollicis Lumbricals Thenar muscles Hypothenar muscles
Thenar muscles
Opponens pollicis
Abductor pollicis brevis
Flexor pollicis brevis
Hypothenar muscles
Opponens digiti minimi
Abductor digit minimi
Flexor digiti minimi
Fracture surgical neck humerus
Humerus anterior dislocation
Axillary nerve damage
Flattened deltoid
Loss abduction
Loss sensation lateral arm and regimental patch
Axillary nerve damage
Axillary nerve
Motor: deltoid and teres minor
Sensory: upper lateral arm
Compression of upper trunk
MusculocutNeous nerve damage
Upper lateral cutaneous nerve of arm
Axillary nerve
Cannot flex or supinate forearm
Cannot feel lateral forearm
Musculcutaneous nerve damage
Musculocutaneous nerve
Motor: anterior comp arm
Sensory-lateral cutaneous nerve of forearm
Lateral cutaneous nerve of forearm
Musculocutaneous
Midshaft humerus fracture
Axilla compression– crutches or Saturday night palsy
Radial nerve damage
Radial nerve
Motor:
Posterior comp arm and forearm
Sensory:
Posterior arm and forearm
Lower lateral arm
Dorsolateral hand (except ulnar and median nail beds)
Wrist drop
Loss of extension of elbow, wrist, fingers
Radial nerve problem
Depending on damage to ECRL
Reduction in grip strength
Radial nerve
Artery associated with axillary nerve
Posterior circumflex
Nerve associated with profunda brachii
Radial nerve in spiral groove
Supra condylar fracture humerus
Median nerve proximal lesion
Which artery associated with supra condylar humerus fracture?
Brachial artery
Median nerve
Motor:
Anterior comp forearm except FCU and medial 1/2 FDP
LOAF
Sensory:
Palmar lateral 3.5 fingers and nail beds and lateral Palm and middle wrist
Apes hand
Median nerve
Popes blessing
Median nerve
Superficial Palm laceration
Recurrent branch of median nerve
Ape hand loss of LOAF but sparing of what in which clinical scenario?
Sparing of median nerve sensation
Superficial Palm laceration
Anterior interosseous nerve
Branch of median nerve
Posterior interosseous nerve
Branch of radial nerve
Claw hand
Ulnar nerve
Fracture of medial epicondyle humerus
Ulnar nerve
Fracture of hook of hamate
Distal ulnar nerve lesion
Ulnar nerve
Motor: all intrinsic muscles of hand except LOAF
And FCU
And medial 1/2 FDP
Sensory:
Medial 1.5 fingers palmar and dorsal and associated Palm
Atrophy of hypothenar eminence
Ulnar nerve
Dorsal scapular nerve
Rhomboidal