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Anatomy > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

Upward rotation of the scapula occurs in what movements?

A

Flexion, abduction of the arm

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2
Q

What type joint is the proximal humeroulnar jt

A

Hingle type synovial jt

Flex/Ex

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3
Q

What is contained in the deltopectoral triangle

A

Cephalic vein, coracoid process

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4
Q

What is the most abundant type of articular cartilage?

A

Hyaline

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5
Q

Subscapularis
Orgin/insertion
Nerve

A

Origin: Subscapular fossa of scapula
Insertion: Lesser tubercle of humerus
Nerve: Upper and low subscapular nerve (C5, C6)

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6
Q

What three muscle movements help stabilize the GH joint?

A

Elevation, upward rotation and depression

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7
Q

Purpose of the coronoid fossa (anterior)

A

Receives coronoid process of the ulna during flexion

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8
Q

Teres minor
Origin/insertion
Nerve

A

Origin: Superior 2/3 of dorsal surface of lateral border of scapula
Insertion: Inferior facet of the Greater tubercle of humerus
Nerve: Axillary (C5, C6)

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9
Q

Latissimus Dorsi
Origin/Insertion
Nerve

A

Origin: T7-T12, L1-L5, Posterior sacrum, Posterior iliac crest, lowest 3-4 ribs, inferior angle of scapula all via thoracolumbar fascia
Insertion: Medial lip of bicipital groove
Nerve: Thoracodorsal n (C6, C7, C8)

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10
Q

What is the purpose of the CCL

A

Limit upward and lateral displacement of medial end of clavicle

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11
Q

Downward rotation of the scapula occurs in what movements?

A

Extension, hyperextension and adduction of the arm?

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12
Q

What forms the deltopectoral triangle?

A

Superior: clavicle
Medial: Pec. major
Lateral: deltoid

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13
Q

Sternal end importance

A

Posterior: protection of brachial plexus and subclavian BVs
Inferior: Subclavian groove, costal tuberosity (CCL)

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14
Q

What type of cartilage found in the SC jt

A

Fibrocartilage

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15
Q

What forms the lateral wall of the axilla

A

Narrow wall, intertubercular groove

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16
Q

Subclavius
Origin/Insertion
Nerve

A

Origin: Ribs 3-5
Insertion: Middle 1/3 of inferior border of clavicle
Nerve: N to Subclavius (C5, C6)

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17
Q

Trapezius
Origin/Insertion
Nerve

A

Origin: External occipital protuberance, nuchal ligament, C7, T1-T5, T6-T12
Insertion: Lateral 1/3 of clavicle, acromion process, spine of scapula, root of the spine of the scapula
Nerve: Spinal accessory (XI) and (C3, C4)

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18
Q

Deltoid
Origin/Insertion
Nerve

A

Origin: Lateral 1/3 of clavicle, Acromion process, Spine of scapula
Insertion: Deltoid tuberosity of humerus
Nerve: Axillary (C5, C6)

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19
Q

What is contained in the axilla

A

cords and branches of the brachial plexus

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20
Q

What forms the anterior wall of the axilla

A

Clavicle, pec muscles

21
Q

Triceps Brachii
Origin/Insertion
Nerve

A

Origin: Infraglenoid tubercle, Proximal 1/3 and distal 2/3 of posterior humerus
Insertion: Olecranon process of ulna
Nerve: Radial Nerve (C6, C7, C8)

22
Q

What type joint is the humeroradial jt

A

Gliding/planar type synovial jt

Pronation/supination, flex/ex

23
Q

Coracobrachialis
Origin/Insertion
Nerve

A

Origin: Coracoid process
Insertion: Middle 1/3 of medal surface of humerus
Nerve: Musculocutaneous (C5, C6, C7)

24
Q

Pec major
Origin/Insertion
Nerve

A

Origin: Medial 1/2 of clavicle, Sternum, costal cartilage ribs 1-7, EAO aponeurosis
Insertion: Lateral lip of bicipital groove
Nerve: Medial and lateral pectoral N (C5-T1)

25
Q

What is contained in the quadrangular space?

A

axillary nerve, posterior humeral circumflex arter

26
Q

What forms the posterior wall of the axilla

A

Scapula, Subscapularis muscle, teres major and lat muscles

27
Q

What muscles are part of the bicipital groove

A

“Lady between 2 majors”
Medial: Teres major
Floor: lats
Lateral: Pec major

28
Q

Purpose of the radial fossa (anterior)

A

Receives head of radius during flexion

29
Q

What is the purpose of the anterior/posterior SC ligaments

A

limit upward and lateral displacement of the medial end of the clavicle

30
Q

Biceps Brachii
Origin/Insertion
Nerve

A

Origin: Supraglenoid tubercle of scapula, Coracoid process of scapula
Insertion: Radial tuberosity, bicipital aponeurosis
Nerve: Musculocutaneous (C5, C6)

31
Q

Purpose of the olecranon fossa (posterior)

A

Receives olecranon process of ulna during extension

32
Q

What forms the quadrangular space

A

Superior: teres minor
Inferior: teres major
medial: LH-TB
Lateral: shaft of humerus and joint capsule

33
Q

What type of joint is the AC joint

A

Planar type synovial joint

34
Q

Supraspinatus
Origin/Insertion
Nerve

A

Origin: Medial 2/3 of supraspinatus fossa of humerus
Insertion: Superior facet of Greater tubercle of humerus
Nerve: Suprascapular (C5, C6)

35
Q

What forms the base of the axilla

A

Fascia and skin of concave axilla

36
Q

What kind of joint is the SC joint

A

Saddle type synovial joint

37
Q

Infraspinatus
Orgin/Insertion
Nerve

A

Origin: Medial 2/3 of infraspinatus fossa of scapula
Insertion: Middle facet of Greater tubercle of humerus
Nerve: Suprascapular nerve (C5, C6)

38
Q

What forms the apex of the walls of the axilla

A

Anterior: Clavicle
Posterior: Scapula
Medial: 1st rib

39
Q

Muscular support of joint capsule

A 
Above: supraspinatus tendon
Below: Tendon LH-TB
Anterior: Subscapularis tendon
Posterio: infraspinatus and teres minor tendon
Inside: Tendon LH-BB
Whole: Deltoid
40
Q

What forms the medial wall of the axilla

A

Ribs, intercostal muscles, serratus anterior muscles

41
Q

What is the purpose of the interclavicular ligament

A

Prevent lateral displacement of medial end of the clavicle

42
Q

Levator Scapulae
Origin/Insertion
Nerve

A

Origin: TPs C1-C4
Insertion: Medial border of scapula between superior angle and root of the spine of the scapula
Nerve: Dorsal scapular (C3, C4, C5)

43
Q

Pectoralis minor
Origin/Insertion
Nerve

A

Origin: Ribs 3-5
Insertion: Coracoid process
Nerve: Medial and lateral pectoral (C5-T1)

44
Q

Rhomboids major and minor
Origin/Insertion
Nerve

A

Origin: C7, T1; T2-T5
Insertion: root at spine of scapula, medial border between root at spine of scapula to inferior angle
Nerve: Dorsal scapular (C4, C5)

45
Q

Serratus anterior
Origin/Insertion
Nerve

A

Origin: Ribs 1-9
Insertion: Entire medial border of anterior surface of scapula
Nerve: Long thoracic (C5, C6, C7)

46
Q

Teres major
Origin/Insertion
Nerve

A

Origin: Inferior 1/3 of dorsal surface of inferior angle and Inferolateral border of the scapula
Insertion: Medial lip of bicipital groove of scapula
Nerve: Lower subscapular (C5, C6, C7)

47
Q

Pt comes in with lack of sensation in the dorsum of the foot, not including the space between the 1st and 2nd toes. Which nerve is injured?

A

Superficial fibular nerve

48
Q

What nerve supplies the space between the 1st and 2nd toes?

A

Deep fibular nerve

Anatomy (3 decks)

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