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Anatomy > Exam 1 > Flashcards

Exam 1 Flashcards

(48 cards)

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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

Study These Flashcards
A

Clavicle, pec muscles

21
Q

Triceps Brachii
Origin/Insertion
Nerve

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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

Study These Flashcards
A

Gliding/planar type synovial jt

Pronation/supination, flex/ex

23
Q

Coracobrachialis
Origin/Insertion
Nerve

Study These Flashcards
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

Study These Flashcards
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
What is contained in the quadrangular space?
axillary nerve, posterior humeral circumflex arter
26
What forms the posterior wall of the axilla
Scapula, Subscapularis muscle, teres major and lat muscles
27
What muscles are part of the bicipital groove
"Lady between 2 majors" Medial: Teres major Floor: lats Lateral: Pec major
28
Purpose of the radial fossa (anterior)
Receives head of radius during flexion
29
What is the purpose of the anterior/posterior SC ligaments
limit upward and lateral displacement of the medial end of the clavicle
30
Biceps Brachii Origin/Insertion Nerve
Origin: Supraglenoid tubercle of scapula, Coracoid process of scapula Insertion: Radial tuberosity, bicipital aponeurosis Nerve: Musculocutaneous (C5, C6)
31
Purpose of the olecranon fossa (posterior)
Receives olecranon process of ulna during extension
32
What forms the quadrangular space
Superior: teres minor Inferior: teres major medial: LH-TB Lateral: shaft of humerus and joint capsule
33
What type of joint is the AC joint
Planar type synovial joint
34
Supraspinatus Origin/Insertion Nerve
Origin: Medial 2/3 of supraspinatus fossa of humerus Insertion: Superior facet of Greater tubercle of humerus Nerve: Suprascapular (C5, C6)
35
What forms the base of the axilla
Fascia and skin of concave axilla
36
What kind of joint is the SC joint
Saddle type synovial joint
37
Infraspinatus Orgin/Insertion Nerve
Origin: Medial 2/3 of infraspinatus fossa of scapula Insertion: Middle facet of Greater tubercle of humerus Nerve: Suprascapular nerve (C5, C6)
38
What forms the apex of the walls of the axilla
Anterior: Clavicle Posterior: Scapula Medial: 1st rib
39
Muscular support of joint capsule
``` Above: supraspinatus tendon Below: Tendon LH-TB Anterior: Subscapularis tendon Posterio: infraspinatus and teres minor tendon Inside: Tendon LH-BB Whole: Deltoid ```
40
What forms the medial wall of the axilla
Ribs, intercostal muscles, serratus anterior muscles
41
What is the purpose of the interclavicular ligament
Prevent lateral displacement of medial end of the clavicle
42
Levator Scapulae Origin/Insertion Nerve
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
Pectoralis minor Origin/Insertion Nerve
Origin: Ribs 3-5 Insertion: Coracoid process Nerve: Medial and lateral pectoral (C5-T1)
44
Rhomboids major and minor Origin/Insertion Nerve
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
Serratus anterior Origin/Insertion Nerve
Origin: Ribs 1-9 Insertion: Entire medial border of anterior surface of scapula Nerve: Long thoracic (C5, C6, C7)
46
Teres major Origin/Insertion Nerve
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
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?
Superficial fibular nerve
48
What nerve supplies the space between the 1st and 2nd toes?
Deep fibular nerve

Anatomy (3 decks)

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