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Anatomy Week 1 > Superficial Back and Shoulder > Flashcards

Superficial Back and Shoulder Flashcards

1
Q

Trapezius Origins

A

External Occipital Protuberance (Skull) C1-T12 Spinous Processes

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2
Q

Insertions of Trapezius

A

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

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3
Q

Trapezius Innervation

A

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

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4
Q

Action of Trapezius

A

Move Shoulder Girdle

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5
Q

Origin of Levator Scapulae

A

C1-C4 Transverse Processes

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6
Q

Insertion of Levator Scapulae

A

Medial Border of Scapula (above scapular spine)

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7
Q

Innervation of Levator Scapulae

A

Dorsal Scapular Nerve

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8
Q

Action of Levator Scapulae

A

Move the Shoulder Girdle

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9
Q

Rhombiod Minor Origin

A

C7-T1 Spinous Processes

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10
Q

Rhombiod Minor Insertion

A

Medial Border of Scapula (at scapular spine)

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11
Q

Innervation of Rhombiod minor

A

Dorsal Scapular Nerve

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12
Q

Rhomboid Minor Action

A

Moves shoulder girdle

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13
Q

Rhomboid Major Origin

A

T2-T5 Spinous Processes

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14
Q

Insertion of Rhomboid Major

A

Medial Border of Scapulae (below scapular spine)

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15
Q

Innervation of Rhomboid Major

A

Dorsal Scapular Nerve

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16
Q

Action of Rhomboid Major

A

Move shoulder girdle

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17
Q

Latissimus Dorsi Origin

A

T6-L5 Spinous Process, Iliac Crest, Thoracolumbar Fascia

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18
Q

Insertion of Latissimus Dorsi

A

Intertubercular Groove of Humerous

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19
Q

Innervation of Latissimus Dorsi

A

Thracodorsal Nerve

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20
Q

Action of Latissimus Dorsi

A

Extend, Med. Rotate, adduction

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21
Q

First Vertebral Spine that is palpable

A

C7 = Vertebra prominens

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22
Q

Structure extending laterally from spine of scapula

A

acromion

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23
Q

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

24
Q

Point where scapular spine reaches medial border of the scapula

25
Q

Inferior angle of Scapula is at…

26
Q

Primary function of Superficial Back Muscles

A

Movement of Shoulder girdle and Upper Limbs

27
Q

Function of Middle Back Muscles

A

Inspiration

28
Q

Function of Deep (intrinsic) Back Muscles

A

Movement of Vertebral Column

29
Q

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

A

subtrapezial nerve plexus, transverse cervical artery and vein

30
Q

What two structures form the axillary fold

A

teres major muscle and latissimus dorsi

31
Q

Action of Serratus Anterior Fold

A

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

32
Q

Innervation of Serratus Anterior

A

thoracic nerve

33
Q

Paralysis of Serratus Anterior results in…

A

Winged Scapula

34
Q

Flexion and Extention of Vertebral Column and Neck

A

Flexion - Forward Bending Extention- Back bending

35
Q

Superior and inferior rotation of Scapula

A

Superior Rotation - Hand above shoulder height

Gleniod Fossa Moves

36
Q

Acromioclavicular joint

A

Gliding Joint

Only bony attahcment of scapula

Joins clavicle and scapula and forms shoulder with pectoral girdle

Includes Acromioclavicular ligament and Coracoacromial ligament

37
Q

Movments of Acromioclavicular (AC) Joint

A

Anteroposterior planes, Verticle Planes, and Axial Rotation

38
Q

Sternoclavicular Joint

A

Synovial (like AC)

Connects Clavicle to sternum

Sole Boney Articulation between Axial Skeleton and Upper Extremity

Gives up stability for mobility

39
Q

Superior angle of Scapula is at the Same height as

40
Q

Action caused by solo contration of upper trapezius

A

elevation of scapula

41
Q

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

A

Middle fibers

42
Q

Muscles acting in elevation

A

Upper Trapezius

Levator Scapulae

43
Q

Muscles acting in Depression of Scapula

A

Lower Trapezius

Lower Serratus Anterior

Gravity

44
Q

Muscles acting in protraction of scapula

A

Serratus Anterior

Pectoralis Minor

45
Q

Muscles acting in retraction of the Scapula

A

Rhomboid Major

Rhomboid Minor

Middle Trapezius

46
Q

Muscles involved in Superior Rotation of Lateral Angle of Scapula

A

Upper and Lower Trapezius

47
Q

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

A

Levator Scapulae

Rhomboid Major

Rhombiod Minor

Gravity

48
Q

Stability of the AC is provided by..

A

the Acromioclavicular Ligament and coracoclavicular ligament

49
Q

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

A

Coracoclavicular ligament

50
Q

Extrinsic muscles of the back are generally innervated by…

A

Peripheral nerves formed by the ventral rami of spinal nerves

51
Q

Intrinsic Muscles of Deep are typically innervated by…

52
Q

Dorsal rami and Spinal Nerves

53
Q

Blood Supply to Latissimus Dorsi is supplied by…

A

Thoracodorsal Vessels

Anatomy Week 1 (7 decks)

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