Upper Extremity Anatomy Quiz 1

Front 1

Articulations of the shoulder

Back 1

Sternoclavicular Joint
Acromioclavicular Joint
Scapulo-Thoracic Articulation
Glenohumeral Joint

Front 2

Thoracic Cage

Back 2

Sternum
Ribs (24)
Costal Cartilages
Thoracic Vertebrae

Front 3

Features of the clavicle

Back 3

Sternal End

Acromial End

Trapezoid line - at anterior acromial end, where trapezoid ligament attaches

Conoid Tubercle - attachment site for ligament

Front 4

Features of the scapula

Back 4

Superior Angle
Inferior Angle
Coracoid Process
Subscapular Fossa
Scapular Notch

Superior Border
Axillary Border
Vertebral Border
Scapular Spine
Acromion Process
Supraspinatus Fossa
Infraspinatus Fossa

lateral:
Glenoid Fossa
Acromion Process
Coracoid Process
Supraglenoid Tubercle
Infraglenoid Tubercle

Front 5

Features of the distal anterior humerus

Back 5

Coronoid Fossa

Radial Fossa

Capitulum

Trochlea

Look at pictures!

Front 6

Features of the distal posterior humerus

Back 6

Medial Epicondyle

Lateral Epicondyle

Supracondylar Ridges

Olecranon Fossa

Front 7

Features of the radius

Back 7

Head
Neck
Radial Tuberosity
Ulnar Notch
Shaft
Radial Styloid Process
Carpal Articular Surface

Front 8

Features of the ulna

Back 8

Shaft
Olecranon Process
Coronoid Process
Radial Notch
Ulnar Tuberosity
Ulnar Styloid Process
Head

Front 9

Muscles of the shoulder girdle
6

Back 9

Trapezius
Levator Scapulae
Rhomboid Minor
Rhomboid Major
Pectoralis Minor
Serratus Anterior

Front 10

Trapezius
O
I
N
A

Back 10

O = Occip protuberance, Lig nuchae, spin proc C7 thru T1-12
I = Spine of scapula, acromion and lateral 3rd of clavicle
N = Spinal Acessory n. (CN XI), C3-C4 (spinal nerve branches from)
A=
Upper
Elevation
Middle
Retraction
Lower
Depression

Upper & Lower
Work together to rotate scapula

Front 11

Levator Scapula
O
I
N
A

Back 11

O = Trans proc, C1-4
I = Sup angle and prox med scapula
N = C3-4, Dorsal scapular n. (C5)
A = Elevate scapula; Laterally Flex C-Spine

Front 12

Rhomboid Major and minor
O
I
N
A

Back 12

O = Spin proc C7, T1-5
I = Vertebral border
N = Dorsal Scapular n., (C4,5)
A = Elevate, retract and downwardly rot scapula

Front 13

Pectoralis Minor
O
I
N
A

Back 13

O = Ant ribs 3-5
I = Coracoid process
N = Med Pectoral n. (C6-8, T1)
A = Depress, protract & downwardly rot scapula

Front 14

Serratus Anterior
O
I
N
A

Back 14

O = Anterior lateral Ribs 1-8
I = Med border of ant. scapular surface
N = Long thoracic n. (C5-7)
A = Protract, depress and upwardly rot scapula

Front 15

Glenohumeral joint muscles

Back 15

Deltoid
Pectoralis Major
Latissimus Dorsi
Teres Major
Subclavius*
Supraspinatus
Infraspinatus
Teres Minor
Subscapularis
Coracobrachialis

Front 16

Deltoid
O
I
N
A

Back 16

O =
Lat 3rd of clavicle (anterior)
Acromion (middle)
Spine of scapula (posterior)
I = Deltoid tuberosity
N = Axillary n. (C5-6)
A =
Abduct arm (all 3 sections)
Anterior = Flex & Int rot arm
Posterior = Ext & Ext rot arm

Front 17

Pectoralis Major
O
I
N
A

Back 17

O = Med 2/3 of clavicle, sternum, costal cartilages of ribs 1-6
I = Lat lip of intertubercular groove
(prox humerus)
N = Med & Lat Pectoral n. (C7-8, T1 and C5-7)
A = Adduct & Int rot arm
Clavicular = Flex arm
Sternal = Ext

Front 18

Latissimus Dorsi
O
I
N
A

Back 18

O = Spin proc T6-12, Lumbar and Sacrum, post iliac crest
Thoracolumbar fascia
I = Med lip and floor of bicipital groove (prox humerus)
N = Thoracodorsal n. (C6-8)

A = Ext, Add, Int rot of arm
With fixed UE, may raise trunk towards arm

Front 19

Teres Major
O
I
N
a

Back 19

O = Inferior angle of scapula
I = Med lip of intertubercular groove
N = Lower Subscapular n. (C5-6)
A = Add, Ext and Int rot of arm

Front 20

Subclavius
O
I
N
A

Back 20

O = 1st rib
I = Undersurface of clavicle
N = Nerve to Subclavius (C5-6)
A = Depress clavicle, stabilize SC joint

Front 21

Coracobrachialis
O
I
N
A

Back 21

O = Coracoid process
I = Middle 1/3 of medial humerus
N = Musculocutaneous n. (C5-7)
A = Flex and add of arm

Front 22

Rotator cuff muscles

Back 22

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

"SITS" muscle
Individual actions
Combined function = Stabilization

Front 23

Supraspinatus Muscle
O
I
N
A

Back 23

O = Supraspinatus fossa
I = Greater tubercle of humerus
N = Suprascapular n. (C5-6)
A = Abducts arm
Stabilization of GH jt

Front 24

Infraspinatus
O
I
N
A

Back 24

O = Infraspinatus fossa
I = Greater tubercle of humerus
Below supraspinatus
N = Suprascapular n. (C5-6)
A = Ext rot of arm
Stabilization of GH jt

Front 25

Teres Minor
O
I
N
A

Back 25

O = Upper 2/3 of axillary border of scapula
I = Greater tubercle of humerus
Below infraspinatus
N = Axillary n. (C5-6)
A = Ext rot of arm
Stabilization of GH jt

Front 26

Subscapularis
O
I
N
A

Back 26

O = Subscapular fossa
I = Lesser tubercle of humerus
N = Upper and Lower subscapular n. (C5-6)
A = Int rot of arm
Stabilization of GH jt

Front 27

Scapulothoracic "articulation"

Back 27

Not true synovial joint
Attached to axial skeleton
Indirectly via muscle attachments
Via Acromio-Clavicular joint attachment
Scapula → clavicle
Clavicle → Sternum

Front 28

The main function of the clavicle is:

Back 28

To guide scapular movement and allow free upper limb motion

Front 29

What things does pec minor cross

Back 29

Relationship of Pectoralis Minor to:
Axillary Artery
Brachial Plexus
Tension creates Thoracic Outlet syndrome

Front 30

Borders and contents of the axilla

Back 30

Borders:
First Rib and Thoracic Wall
Pectoralis Major and Minor
Subscapularis, Teres Major, Latissimus Dorsi
Humerus

Contents:
Brachial Plexus
Axillary Artery
Lymph Nodes
Fat

Front 31

Upper Extremity Blood Supply
“The journey of a drop of blood”

Back 31

Subclavian Artery
Axillary Artery
Brachial Artery
Ulnar Artery
Radial Artery
Palmar Arteries

Front 32

Three main branches of subclavian artery

Back 32

3 MAIN BRANCHES
Vertebral

Thyrocervical Trunk
Transverse Cervical
Dorsal Scapular
Suprascapular

Internal Thoracic

Front 33

3 portions of axillary artery

Back 33

Part I
Between 1st rib and superior pec min
Has 1 main branch

Part II
Under pec minor
Has 2 main branches

Part III
Between inf pec minor and sup teres major
Has 3 main branches

Front 34

1st part of axillary artery

Back 34

Part I (between 1st rib and superior Pec Min)
One Branch
Supreme Thoracic
("sixties" teens love sex and pot)

Front 35

Part 2 of axillary artery

Back 35

Part II (under Pec Min)
2 Branches
Thoracoacromial Trunk

Lateral Thoracic

"teens love"

Front 36

3rd part of axillary artery

Back 36

Part III
Between inf Pec Min and Teres Major
Three Branches
Subscapular
-Circumflex Scapular
-Branch to Latissimus dorsi

Anterior Circumflex Humeral

Posterior Circumflex Humeral

"sex and pot"

Front 37

Borders and contents of triangular space

Back 37

Borders:
Teres Minor
Long Head of Triceps Brachii
Teres Major
Contents:
Circumflex Scapular Artery

Front 38

Borders and contents of quadrangular/quadrilateral space

Back 38

Borders:
Teres Minor
Long Head of Triceps Brachii
Shaft of the Humerus
Teres Major
Contents:
Axillary Nerve
Posterior Circumflex Artery

Front 39

Brachial artery

Back 39

Deep (Profunda) Brachial
Superior Ulnar Collateral
Inferior Ulnar Collateral

radial artery
ulnar artery
(bifurcates)

Front 40

Radial artery

Back 40

Radial Recurrent
Carpal Arch
Princeps Pollicis
Deep Palmar Arch
Superficial Palmar Arch

Front 41

Ulnar artery

Back 41

Anterior Ulnar Recurrent
Posterior Ulnar Recurrent
Common Interosseous
-Anterior Interosseous
-Posterior Interosseous
Carpal Arch
Deep Palmar Arch
Superficial Palmar Arch

Front 42

Venous system of the arm

Back 42

Deep
Same names as the arteries
Superficial
Cephalic
Basilic
- Median Antibrachial
Median Cubital

Front 43

Borders and contents of cubital fossa

Back 43

Borders:
Brachioradialis
Pronator Teres
Line between Humeral Epicondyles

Contents:
Medial Cubital Vein
Biceps Tendon
Brachial Artery
Median Nerve

Front 44

Divisions/segments of the brachial plexus

Back 44

Roots
Trunks
Divisons
Cords
Nerves

(real therapists drink corona? deeply care? real therapists don't coddle newts)

Front 45

Nerve roots of the brachial plexus

Back 45

C5, C6, C7, C8, T1

Front 46

3 Trunks of brachial plexus

Back 46

superior, middle and inferior

Front 47

Division of the brachial plexus

Back 47

3 anterior divisions and 3 posterior divisions
(one of each from each trunk)

Front 48

Cords of the brachial plexus

Back 48

lateral
posterior
medial

Front 49

Peripheral nerves of the brachial plexus

Back 49

Long Thoracic
-Serratus Anterior
Dorsal Scapular
-Rhomboids
-Levator Scapulae
Suprascapular
-Supraspinatus
-Infraspinatus
Nerve to Subclavius
-Subclavius
Lateral Pectoral
-Pectoralis Major
Medial Pectoral
-Pectoralis Major
-Pectoralis Minor
Upper Subscapular
-Subscapularis
Thoracodorsal
-Latissimus Dorsi
Lower Subscapular
-Subscapularis
-Teres Major
Musculocutaneous
-Biceps Brachii
-Brachialis
-Coracobrachialis
Axillary
-Deltoid
-Teres Minor

Front 50

Terminal branches (nerves) of the brachial plexus

Back 50

Musculocutaneous nerve (C5,6,7)
Axillary nerve (C5,6)
Radial nerve (C5-8, T1)
Median nerve (C5-8, T1)
Ulnar Nerve (C7,8, T1)

Front 51

Median nerve

Back 51

Median Nerve
Combination of the Medial and Lateral Cords of the Brachial Plexus

Innervates:
Flexors of the Forearm
Muscles of the Thenar Eminence of the Hand

Front 52

Ulnar Nerve

Back 52

Ulnar Nerve
Continuation of the Medial Cord of the Brachial Plexus

Innervates:
Flexor Muscles of the Wrist
Muscles of the Hypothenar Eminence of the Hand
Ulnar Intrinsic muscles of the Hand

Front 53

Radial Nerve

Back 53

Radial Nerve
Continuation of the Posterior Cord of the Brachial Plexus

Innervates:
Extensor Muscles of the Arm
Extensor Muscles of the Wrist

Front 54

Cutaneous innervation of the anterior shoulder and arm

Back 54

Supraclavicular (c3,4)
Lateral Brachial Cutaneous
Upper (Axillary) (c5,6)
Lower (Radial)
Intercostobrachial (T2)
Medial Brachial Cutaneous (T1, T2)
Posterior Brachial Cutaneus (Radial)

Front 55

Cutaneous innervation of the forearm

Back 55

Medial Antebrachial
Posterior Antebrachial (Radial)
Lateral Antebrachial (Musculocutaneous)

Front 56

Cutaneous innervation of the hand

Back 56

Ulnar - pinky and half of 4th

Radial - back half of thumb and dorsal surface of hand to half of ring finger and out to PIP joints

Median - palm: half of thumb, 2,3, and half of 4, dorsal: underside of thumb and 2, 3, 1/2 4 up until PIPs

Front 57

Branches off superior trunk of brachial plexus

Back 57

suprascapular (C5,6)
nerve to subclavius (C5,6)

Front 58

Branches off posterior cord of brachial plexus

Back 58

Upper subscapular nerve (C5,6)
Thoracodorsal (middle subscapular) nerve (C6, 7, 8)
Lower subscapular nerve (C5, 6)

Front 59

Branches off medial cord of brachial plexus

Back 59

Medial Pectoral nerve (C8, T1)
Medial Brachial Cutaneous (T1)
Medial Antebrachial Cutaneous (C8, T1)