Lecutre 5: Axilla, Lateral Cervical Triangle Flashcards

1
Q

Functions of fascia of pectoral region

A

Defines borders
Invests muscles
Creates potential spaces

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2
Q

Inferior boundary of LCT

A

Clavicle

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3
Q

Medial boundary of apex of axilla

A

First rib

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4
Q

CN XI (spinal accessory nerve) Spinal root arises from

A

C1-C5

Fibers pass superiorly through foramen magnum and join cranial root

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5
Q

CN XI spinal root innervates the

A

Sternocleidomastoid

Trapezius

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6
Q

Superficial fascia of pectoral region consists of

A

Platysma
Supraclavicular nerves
Anterior and lateral branches of intercostal nerves

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7
Q

Vascular content of LCT

A
Occipital artery
Transverse cervical artery
Subclavian vein
Subclavian artery
External jugular vein
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8
Q

Bones of Pectoral region

A

Clavicles
Sternum (Manubrium, Body, Xiphoid)
Ribs
Scapula

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9
Q

Vessels of axilla

A

Axillary vein and artery
Cephalic and basilic vein
Axillary lymph nodes

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10
Q

Clavipectoral fascia turns into the

A

Suspensory ligament of axilla

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11
Q

Posterior boundary of LCT

A

Anterior border of trapezius

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12
Q

Borders of Deltopectoral (clavipectoral) triangle consist of

A

Deltoid
Pectoralis major
Middle 1/3 of clavicle

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13
Q

Anterior boundary of LCT (lateral cervical triangle)

A

Posterior border of sternocleidomastoid

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14
Q

Nerves of axilla

A

Long thoracic nerve
Cords of brachial plexus
Proximal ends of terminal nerves or brachial plexus

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15
Q

What pierces the Clavipectoral fascia

A

Cephalic vein
Thoracoacromial artery
Lateral pectoral nerves

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16
Q

Medial boundary of base of axilla

A

Thoracic wall

17
Q

Anterior boundary of base of axilla

A

Pectoralis major muscle

18
Q

Nerve content of LCT

A

Lesser occipital
Supraclavicular
Cranial nerve XI (spinal accessory nerve)

19
Q

Anterior wall of axilla consists of

A

Clavicle
Subclavius
Pectoralis major
Pectoralis minor

20
Q

Posterior wall of axilla consists of

A

Scapula
Subscapularis
Latissimus dorsi
Teres major

21
Q

Posterior boundary of apex of axilla

A

Superior border of scapula

22
Q

Posterior boundary of base of axilla

A

Latissimus dorsi muscle

23
Q

Prevertebral fascia extends

A

Around anterior surface of cervical vertebrae across anterior midline

24
Q

Prevertebral fascia covers which muscles

A

Muscles of the lateral cervical triangle

25
Q

Lateral boundary of base of axilla

A

Humerus

26
Q

Anterior boundary of apex of axilla

A

Clavicle

27
Q

What innervates the pectoral muscles

A

Ventral Rami of spinal nerves, via branches of the brachial plexus

28
Q

Lateral structures of axilla

A

Intertubercular sulcus
Tendon of long head of biceps
Coracobrachialis tendon

29
Q

Base of axilla consists of

A

Skin & superficial fascia
Anterior axillary fold
Posterior axillary fold
Chest (thoracic) wall

30
Q

CN XI cranial root arises from

A

The medulla

31
Q

Prevertebral fascia covers muscular floor consisting of (6):

A
Splenius capitis
Levator scapulae
Omohyoid
Scalenus posterior
Scalenus medius
Scalenus anterior
32
Q

Contents of Superficial cervical fascia

A

Platysma muscle
Superficial veins
Cutaneous nerves

33
Q

Clavipectoral fascia invests:

A

Subclavius

Pectoralis minor

34
Q

Clavipectoral fascia attaches to:

A

Clavicle

Anterior thoracic wall

35
Q

Muscles of posterior axillary fold

A

Latissimus dorsi

Teres major

36
Q

Contents of Deltopectoral (clavipectoral) triangle

A

Cephalic Vein
Deltopectoral lymph nodes
Deltoid branch of thoracoacromial artery

37
Q

Roof of LCT

A

Skin

Superficial layer of deep cervical fascia

38
Q

Muscle of anterior axillary fold

A

Pectoralis major

39
Q

Muscles of pectoral region include

A

Pectoralis major
Pectoralis minor
Subclavius
Serratus anterior