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Clinical anatomy 1 > Superficial Back > Flashcards

Superficial Back Flashcards

1
Q

Name the axioappendicular muscles

A

Latissimus dosi, levator scapulae, pectoralis major, pectoralis minor, rhomboids, serratus antenor, subclavius, trapezius

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2
Q

What is the function of the axioappendiullar muscle group?

A

Connect the axial skeleton to the upper extremity appendicular skeleton- provide movement Of upper limbs

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3
Q

What are the bony landmark attachment sites for latissimus dosi?

A

Lower thoracic spinous process, thoracolumbar fascia & iliac crest, floor of intertubercular sulcus of numerous

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4
Q

What are the bone landmarks as attachment sites for elevator scapulae?

A

Transverse process of ci-c4, superior angle and superiomedial border of scapulae

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5
Q

Bony landmarks as attachment sites for pectoralis major

A

Clavicle, costal cartilage, sternum, aponeurosis of external oblique, lateral lip of intertubercular sulcus of humerus

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6
Q

Action of latissimus Dorsi

A

Adduct humerus, extend humerus, medially rotate humerus

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7
Q

Action of elevator scapulae

A

Elevate scapula, downwards rotation of scapula

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8
Q

Action of pectoralis major

A

Addict humerus, flex humerus, medially rotate humerus

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9
Q

What 2 axioappendicular muscles both adduct humerus and medially rotate the humerus and why?

A

Latissimusdorsi and pectoralismajor. Both attach to intertuberallar sulcus of the humerus

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10
Q

What innovates latissimus dorsi?

A

Spinal nerves c6-c8, thoracodorsal nerve

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11
Q

What nerves innovate The elevator scapulae

A

Spinal nerve - c4-c5 (sensory is direct branches from c3-c4 ) and the dorsal scapular nerve

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12
Q

What nerves innovate the pectoralis major

A

Spinal nerves c5-c6 for the clavicular head, spinal nerves c7-t1 for the sternocostal head, and medial and lateral pectoral nerves

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13
Q

What innervates the rhomboids?

A

Rhomboids: Spinal nerves C4-C5; dorsal scapular nerve

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14
Q

What innervates the serrated anterior?

A

Serratus anterior: Spinal nerves C5-C7; long thoracic nerve

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15
Q

What innervates the subclavius?

A

Subclavius: Spinal nerves: C5-C6; subclavian nerve

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16
Q

What innervates the trapezius?

A

Trapezius: Spinal nerves: C3-C4 for sensory; Accessory nerve (CN XI)

17
Q

What are bony landmark attachments for Pectoralis minor?

A

Outer surfaces of ribs 3-5; Coracoid process

18
Q

What are bony landmark attachments for rhomboids?

A

Ligamentum nuchae, spinous process C7-T1; Spinous processes of T2-T5; medial border of scapula

19
Q

What are the bony landmark attachments for serratus anterior?

A

Costal surface of medial border of scapula; outer surface & superior borders of upper ribs (1-10)

20
Q

What are the bony attachment sites for the subclavius

A

1st rib & cartilage and the undersurface of the clavicle

21
Q

What are the bony attachments for the trapezius?

A

Occipital protuberance, Superior nuchal line, ligamentum nuchae, spinous processes of C7-T1; medial border of scapula

22
Q

Action of Pectoralis minor

A

Anteriorly tilt of scapula, forced inspiration, depression of shoulder

23
Q

Action of rhomboids

A

Retract scapula, downward rotation, elevation of scapula

24
Q

Action of serratus anterior

A

Protract scapula, upward rotation of scapula

25
Q

Action of Subclavius

A

Depress clavicle, stabilize clavicle

26
Q

Action of trapezius

A

Elevate scapula (superior portion), depress scapula (inferior portion) retract scapula (middle portion) upward rotation of scapula (inferior portion), downward rotation of scapula (superior portion)

27
Q

Extrinsic back muscles (function) & general groups

A

Provide upper limb movement; provide respiration & proprioception; superficial & intermediate

28
Q

List the superficial extrinsic back muscles

A

Superficial extrinsic back muscles: lattisimus dorsi, trapezius, rhomboids, levator scapulae

29
Q

List the intermediate extrinsic back muscles

A

Serratus posterior superior, Serratus posterior inferior

30
Q

Intrinsic back muscles functions & general levels

A

Provide stabilization, provide movement of vertebral column. Levels: Superficial, intermediate, Deep

31
Q

List superficial intrinsic back muscles

A

Splenius capitus & Splenius cervicis

32
Q

General group name & list the specific intermediate intrinsic back muscles & general

A

Intermediate intrinsic back muscles: Erector Spinae:

1) Iliocostalis (lateral)
2) Longissimus (middle)
3) Spinalis (medial)

33
Q

Name the group name for the deep intrinsic back muscles & list individual:

A

Deep intrinsic back muscles: Transversospinales

1) Semispinales (base of skull —> thoracic vertebrae)
2) Multifidus (whole spinal column)
3) Rotatores (most deep; small little guys)

Clinical anatomy 1 (6 decks)

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