Anatomy Week 9: Upper Limbs

Front 1

Upper Limb: Regions (6)

Back 1

-shoulder
-brachium
-cubital fossa
-antebrachium
-hand

Front 2

Development:
method
innervation

Back 2

-limb bud extends from ventral surface
-ventral primary ramus

Front 3

Pectoral girdle:
componants (5)

Back 3

Clavicle:
-sternoclavicular joint

Scapula:
-acromion
-coracoid process
-spine
-glenoid fossa

Front 4

Humerus:
features (5)

Back 4

-head
-greater tubercle
-lesser tubercle
-intertubercular groove (sulcus)
-trochlea

Front 5

Forearm:
bones
features (2,1)

Back 5

-ulna (inner):
-olecranon process ("C" cup)
-coronoid process (bottom of "C")

-radius (outer in anatomical position)
-articular surface of radial head

Front 6

muscles that move shoulder girdle (8)

Back 6

-pec maj/min
-serratus ant
-trap
-rhomboid maj/min
-levator scapulae
-lat

Front 7

Rotator Cuff: Muscles

Back 7

(SITS):
Supraspinatus
Infraspinatus
Teres minor
Subscapularis

Front 8

Glenohumeral joint:
Muscles (5)

Back 8

-rotator cuff muscles (SITS)
-deltoid
-teres major
-lat
-pec major
-coracobrachialis

Front 9

Muscles of Brachium:
Anterior compartment (3)
Posterior compartment (1)

Back 9

-coracobrachialis
-biceps brachii
-brachialis

-triceps brachii

Front 10

Axilla:
Contents (5)

Back 10

-axillary fat
-lymph nodes
-axillary artery
-axillary vein
-brachial plexus branches

Front 11

Brachial Plexus:
Roots
divisions
cords/terminal branches

Back 11

-roots and trunks in root of neck
-beneath clavicle
-visible in axilla

Front 12

Terminal nerves of brachial plexus:
anterior (3)

post (2)

Back 12

-musculocutaneous nerve
-median nerve
-ulnar nerve (funny bone)


-radial nerve
-axillary nerve

Front 13

Upper limb: blood supply (path)

Back 13

subclavian -> axillary -> brachial -> radial/ulnar

Front 14

Upper limb: venous drainage

Back 14

Basilic/Cephalic (superficial)/brachial(s) (deep) --> axillary vein --> subclavian vein

Front 15

Veins of the cubital fossa (?)

Back 15

(?)

Front 16

Pec Major:
O: (3)
I:
A: (4)
N:
A:

Back 16

-clavicle (medial 1/3), sternum, costal cartilages of R1-6
-humerus (greater tubercle)
-flex, medially rotate, adduct, forced inspiration
-lat/med pec nerve
-?

Front 17

Pec minor:
O:
I:
A: (4)
N:
B:

Back 17

-R3-5
-scapula (corocoid process)
-protract/depress/laterally rotate scapula, forced inspiration
-medial pec
-?

Front 18

serratus anterior:
O:
I:
A: (3)
N:
B:

Back 18

-R1-9
-scapula (ant aspect of vertebral border)
-protract, medially rotates scapula, forced inspiration
-long thoracic
-?

Front 19

Trapezius:
O: (3)
I: (3)
A: (4)
N:
B:

Back 19

-C1-T12 spines, nuchal lig, nuchal line
-scapula (spine/acromion), clavicle (superior lateral 1/3)
-elevate/depress/retract/lateral rotation of scapula
-CXI, APR of C3-4

Front 20

Lat. Dorsi
O: (4)
I:
A: (3)
N:
B:

Back 20

O: T6-12 spines
- iliac crest
-lumbodorsal fascia
-Lower 4 ribs
I: humerus (intertubercular sulcus)
A: adduct/extend/medially rotates arm
N: thoracodorsal nerve
B:

Front 21

Levator scapulae
O:
I:
A: (2)
N:
B:

Back 21

O: C1-4 transverse processes
I: scapula (sup aspect of vertebral border)
A: scapula- elevate/medially rotate
N: dorsal scapular
B:

Front 22

Rhomboids
O:
I:
A: (2)
N:
B:

Back 22

O: C7-T5 spinous processes
I: Scapula (vertebral border)
A: Scapula- retract/rotate medially
N: dorsal scapular
B:

Front 23

Deltoid:
O: (3)
I:
A: (5)
N:
B:

Back 23

O: clavicle (inferior lateral 1/3)
-scapula: acromion, spine
I: humerus (deltoid tuberosity)
A: Arm: abduct, flex, rotate medially/laterally.
N: axillary
B:

Front 24

Teres major
O:
I:
A:(3)
N:
B:

Back 24

O: scapula (inferior angle)
I: humerus (medial lip of intertubercular sulcus)
A: Arm: extend/adduct/medially rotate
N: lower subscapular
B:

Front 25

Supraspinatus
O:
I:
A:2
N:
B:

Back 25

O: Scapula (supraspinous fossa)
I: Humerus (greater tubercle)
A: abduct arm
- stabilize shoulder
N: suprascapular nerve
B:

Front 26

Infraspinatus
O:
I:
A:3
N:
B:

Back 26

O: Scapula (infraspinous fossa)
I: humerus (greater tubercle)
A: adduct/ laterally rotate arm
- stabilize shoulder
N: suprascapular
B:

Front 27

Teres minor
O:
I:
A:4
N:
B:

Back 27

O: Scapula (inf lateral border)
I: humerus (greater tubercle)
A: extend/adduct/laterally rotate arm
- stabilize arm at shoulder
N: axillary
B:

Front 28

Subscapularis
O:
I:
A:2
N:
B:

Back 28

O: scapula (subscapular fossa)
I: humerus (LESSER tubercle)
A: rotate arm
- stabilize shoulder
N: upper/lower subscapular nerves
B:

Front 29

Biceps brachii
O:2
I:
A:3
N:
B:

Back 29

O: Short head - scapula (coracoid process)
Long head - scapula (supraglenoid tubercle)
I: radius (radial tuberosity)
A: flexor of forearm, supinator/weak flexor of arm at shoulder
N: musculocutaneous
B:

Front 30

Coracobrachialis
O:
I:
A:
N:
B:

Back 30

O: Scapula (coracoid process)
I: Humerus (medial aspect of mid shaft
A: flex/adduct arm
N: musculocutaneous
B:

Front 31

Brachialis
O:
I:
A:
N:
B:

Back 31

O: Humerus (ant distal aspect)
I: ulna (coronoid process)
A: flex forearm
N: musculocutaneous
B:

Front 32

Triceps brachii
O:3
I:
A:
N:
B:

Back 32

O: Long head - scapula (infraglenoid tubercle)
Lateral head - humerus (posterolateral surface)
Medial head - posterior surfac below radial groove)
I: ulna (olecrenon)
A: extends forarm
N: radial
B:

Front 33

The axillary nerve supplies (2)

Back 33

-deltoid
-teres minor

Front 34

The musculocutaneous nerve supplies (3)

Back 34

-biceps
-corocobrachialis
-brachialis

Front 35

The radial nerve supplies (1)

Back 35

-tricep

Front 36

Suprascapular nerve supplies (2)

Back 36

-supraspinatus
-infraspinatus

Front 37

Subscapular nerve (supplies):
Upper

Lower

Back 37

-subscapularis

-subscapularis, Teres Major