Superficial Back and Shoulder

Question 1

Trapezius Origins

Answer 1

External Occipital Protuberance (Skull) C1-T12 Spinous Processes

Question 2

Insertions of Trapezius

Answer 2

(upper fibers) Medial Margin of the Clavicle (middle fibers) Medial Margin of the Acromion (lower fibers) Medial Margin of Scapular Spine

Question 3

Trapezius Innervation

Answer 3

Subtrapezial Nerve Plexus (CN XI) C3 and C4 ventral Rami

Question 4

Action of Trapezius

Answer 4

Move Shoulder Girdle

Question 5

Origin of Levator Scapulae

Answer 5

C1-C4 Transverse Processes

Question 6

Insertion of Levator Scapulae

Answer 6

Medial Border of Scapula (above scapular spine)

Question 7

Innervation of Levator Scapulae

Answer 7

Dorsal Scapular Nerve

Question 8

Action of Levator Scapulae

Answer 8

Move the Shoulder Girdle

Question 9

Rhombiod Minor Origin

Answer 9

C7-T1 Spinous Processes

Question 10

Rhombiod Minor Insertion

Answer 10

Medial Border of Scapula (at scapular spine)

Question 11

Innervation of Rhombiod minor

Answer 11

Dorsal Scapular Nerve

Question 12

Rhomboid Minor Action

Answer 12

Moves shoulder girdle

Question 13

Rhomboid Major Origin

Answer 13

T2-T5 Spinous Processes

Question 14

Insertion of Rhomboid Major

Answer 14

Medial Border of Scapulae (below scapular spine)

Question 15

Innervation of Rhomboid Major

Answer 15

Dorsal Scapular Nerve

Question 16

Action of Rhomboid Major

Answer 16

Move shoulder girdle

Question 17

Latissimus Dorsi Origin

Answer 17

T6-L5 Spinous Process, Iliac Crest, Thoracolumbar Fascia

Question 18

Insertion of Latissimus Dorsi

Answer 18

Intertubercular Groove of Humerous

Question 19

Innervation of Latissimus Dorsi

Answer 19

Thracodorsal Nerve

Question 20

Action of Latissimus Dorsi

Answer 20

Extend, Med. Rotate, adduction

Question 21

First Vertebral Spine that is palpable

Answer 21

C7 = Vertebra prominens

Question 22

Structure extending laterally from spine of scapula

Answer 22

acromion

Question 23

Most lateral point of the shoulder articulating with the lateral end of the clavicle

Answer 23

acromion

Question 24

Point where scapular spine reaches medial border of the scapula

Answer 24

T3

Question 25

Inferior angle of Scapula is at...

Answer 25

T7

Question 26

Primary function of Superficial Back Muscles

Answer 26

Movement of Shoulder girdle and Upper Limbs

Question 27

Function of Middle Back Muscles

Answer 27

Inspiration

Question 28

Function of Deep (intrinsic) Back Muscles

Answer 28

Movement of Vertebral Column

Question 29

What nerve plexus and artery/vein are located deep to the trapezius

Answer 29

subtrapezial nerve plexus, transverse cervical artery and vein

Question 30

What two structures form the axillary fold

Answer 30

teres major muscle and latissimus dorsi

Question 31

Action of Serratus Anterior Fold

Answer 31

holds scapula against posterior chest wall and rotates the lateral angle of the scapula superiorly

Question 32

Innervation of Serratus Anterior

Answer 32

thoracic nerve

Question 33

Paralysis of Serratus Anterior results in...

Answer 33

Winged Scapula

Question 34

Flexion and Extention of Vertebral Column and Neck

Answer 34

Flexion - Forward Bending Extention- Back bending

Question 35

Superior and inferior rotation of Scapula

Answer 35

Superior Rotation - Hand above shoulder height Gleniod Fossa Moves

Question 36

Acromioclavicular joint

Answer 36

Gliding Joint Only bony attahcment of scapula Joins clavicle and scapula and forms shoulder with pectoral girdle Includes Acromioclavicular ligament and Coracoacromial ligament

Question 37

Movments of Acromioclavicular (AC) Joint

Answer 37

Anteroposterior planes, Verticle Planes, and Axial Rotation

Question 38

Sternoclavicular Joint

Answer 38

Synovial (like AC) Connects Clavicle to sternum Sole Boney Articulation between Axial Skeleton and Upper Extremity Gives up stability for mobility

Question 39

Superior angle of Scapula is at the Same height as

Answer 39

T2

Question 40

Action caused by solo contration of upper trapezius

Answer 40

elevation of scapula

Question 41

If one retracts their scapula, what part of the trapezius is acting?

Answer 41

Middle fibers

Question 42

Muscles acting in elevation

Answer 42

Upper Trapezius Levator Scapulae

Question 43

Muscles acting in Depression of Scapula

Answer 43

Lower Trapezius Lower Serratus Anterior Gravity

Question 44

Muscles acting in protraction of scapula

Answer 44

Serratus Anterior Pectoralis Minor

Question 45

Muscles acting in retraction of the Scapula

Answer 45

Rhomboid Major Rhomboid Minor Middle Trapezius

Question 46

Muscles involved in Superior Rotation of Lateral Angle of Scapula

Answer 46

Upper and Lower Trapezius

Question 47

Inferior Rotation of Lateral Angle of Scapula caused by flexion of...

Answer 47

Levator Scapulae Rhomboid Major Rhombiod Minor Gravity

Question 48

Stability of the AC is provided by..

Answer 48

the Acromioclavicular Ligament and coracoclavicular ligament

Question 49

Which ligament provided most of the weight bearing support for the UL on the clavicle?

Answer 49

Coracoclavicular ligament

Question 50

Extrinsic muscles of the back are generally innervated by...

Answer 50

Peripheral nerves formed by the ventral rami of spinal nerves

Question 51

Intrinsic Muscles of Deep are typically innervated by...

Question 52

Dorsal rami and Spinal Nerves

Question 53

Blood Supply to Latissimus Dorsi is supplied by...

Answer 53

Thoracodorsal Vessels