HESP 133 > Exam 2 > Flashcards

Exam 2 Flashcards

(109 cards)

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1
Q

Shoulder Joint Ligaments

A
  • coracohumeral
  • coracocromial
  • glenoidhumeral
  • transverse humeral
  • glenoid labrum

force gets transferred to coracoid process

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2
Q

caoracohumeral

structure and function

A
  • forms arch over humeral head
  • prevents upward dislocation
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3
Q

glenohumeral

function

A

strengthens

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4
Q

transverse humeral

structure and function

A
  • goes from greater to lesser tubercle
  • converts groove into a canal
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5
Q

glenoid labrum

structure

A
  • lip that encircles glenoid fossa
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6
Q

pectoralis major origin

A
  • anterior border/inner 1/2 or 2/3 of the clavicle
  • whole sternum
  • ribs 1-6’s cartilage
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7
Q

pectoralis major insertion

A
  • bicipital groove
  • aponeurosis flat tendon
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8
Q

pectoralis major action

at the shoulder joint

A
  • inward rotation
  • horizontal flexion
  • flexion (clavicle)/extension (sternum)
  • adduction/abduction
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9
Q

deltoid origin

anterior, middle, posterior

A
  • anterior: outer 1/3 of the clavicle
  • middle: acromium
  • posterior: scapula spine
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10
Q

deltoid insertion

A

detoid tuberosity

  • causes the line of pull to go into abduction
  • needs to be initiated by supraspinatus from anatomical position (not good in it)

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11
Q

deltoid action

shoulder joint
anterior, middle, posterior

A
  • anterior: abduction, flexion, horizontal flexion
  • middle: abduction
  • posterior: extension, outward rotation, abduction, horizontal extension
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12
Q

latissimus dorsi origin

A
  • T6 op spinous process to L5
  • sacrum
  • ilium crest
  • lower 3 ribs
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13
Q

latissimus dorsi insertion

A

tappers into bicipital groove under pec major

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14
Q

latissimus dorsi action

shoulder joint

A
  • extension
  • adduction
  • inward rotation
  • horizontal extension
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15
Q

Latissimus dorsi nickname

A

swimmer’s muscle

broad and posterior muscle

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16
Q

teres major origin

A

scapula (lateral border)

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17
Q

teres major insertion

A

bicipital groove

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18
Q

teres major action

shoulder joint

A
  • extension
  • adduction
  • inward rotation
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19
Q

teres major nickname

A

latissimus dorsi’s little helper

weaker than LD, but helps muscle while working out

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20
Q

rotator cuff muscles functions

A
  • superior to insertion
  • stablize SJ
  • rotate
  • facilitate SJ flexion and abduction
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21
Q

supraspinatus origin

commonly injured

A

supraspinatus fossa

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22
Q

supraspinatus insertion

A

greater tubercle

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23
Q

supraspinatus action

shoulder joint

A

abduction from anatomical position

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24
Q

infraspinatus origin
w/ teres minor

A

infraspinatus fossa

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25
infraspinatus insertion w/ teres minor
greater tubercle
26
infraspinatus and teres minor action | shoulder joint
* outward rotation * horizontal extension * extension
27
teres minor origin w/ infraspinatus
scapula (posterior, lateral border)
28
teres minor insertion w/ infraspinatus
greater tuberosity
29
subscapularis origin
subscapular fossa
30
subscapularis insertion
lesser tuberosity
31
subscapularis action | shoulder joint
* inward rotation * adduction * extension
32
biceps brachii origin
* long head: supraglenoid tubercle * short head: coracoid process
33
biceps brachii insertion
radial tuberosity
34
biceps brahii action | shoulder joint
* horizontal flexion * flexion (also at elbow) * abduction (when in external rotation)
35
biceps brachii action | elbow and radio-ulnar
supination
36
Brachialis origin
humerus
37
brachialis insertion
ulna -> coronoid process
38
brachialis action
elbow joint flexion
39
brachioradialis origin
* humerous * supercondylar ridge
40
brachioradialis insertion
distal end of radius at styloid process base
41
brachioradialis action | elbow and radio-ulnar
* flexion * supination/pronation
42
brachioradialis nickname
hichhiker/drinker's muscle
43
Triceps origin
long head: infraglenoid tubercle lateral and medial heads: humerus
44
triceps insertion
olecranon (elecronon?) process of the ulna
45
triceps action | SJ and elbow
SJ: LH adduction, extension, horizontal extension elbow: extension
46
What is cubitis normus?
normal elbow w/ carrying angle (slight deviation due to hips)
47
What is cubitis varus/gunstock deformity?
* pathological adduction * distal end of the bone medially deviates/goes towards the body
48
cubitis varus etiology
* trauma * disease
49
What is cubitus valgus?
* pathological abduction * distal end of the elbow laterally deviates/goes away from the body
50
cubitius valgus etiology
* wider hips -> elbow laterally grows according to deviation * disease, trauma, etc.
51
What is cubitis recurvatus?
* hyperextended elbow * locks around 180°
52
palmar aponeurosis
thick fascia to grab on to things | like a glove
53
thenar and hypothenar eminences
fleshy convexities over anterior surface of the 1st metacarpal
54
intrinsic
* **doesn't cross the wrist** * goes into the hand * ends at the fingers
55
anconeus origin
lateral epicondyle of the humerus
56
anconeus insertion
olecranon process of the ulna
57
anconeus action | elbow and radioulnar
elbow: flexion radioulnar: pronation
58
anconeus function
pulls on synovial membrane suring elbow extension
59
pronator teres origin
* **medial epicondyle of the humerus** * attaches to ulna coronoid process
60
pronator teres insertion
**radius** medial epicondyle of the lateral surdace of the radius
61
pronator teres action | elbow and radio-ulnar
elbow: flexion radio-ulnar: pronation
62
pronator quadratus origin
distal/lower 1/4 of the ulna
63
pronator quadratus insertion
distal and anterior radius
64
pronator quadratus action | radio-ulnar
Pronation
65
wrist joint name
radio-carpal
66
hand joints
* carpometacarpal * metacarpophalangeal * interphalangeal
67
Flexor digitorum superficiales origin
* **medial epicondyle** * ulnar head (medial coronoid process) * radial head (upper 2/3 of anterior border of thr radius)
68
Flexor digitorum superficiales insertion
* middle phalanx -> fingers 2 to 5
69
Flexor digitorum superficiales action | elbow, wrist, MCP, and 1st and 2nd IP
* flexion in the wrist, MCP, and 1st and 2nd IP * nothing at the elbow (doesn't cross it)
70
flexor pollicis longus origin
* radius * ulna * intercostal membrane
71
flexor pollicis longus insertion
base of distal phalanx of thumb
72
flexor pollicis longus action | wrist,1st CMC, MCP, IP
* wrist: flexion & ulnar deviation * 1st CMC, MCP, IP: flexion
73
flexor pollicis longus primary function
ulnar deviator at the wrist
74
Extensor Carpi Radialis Longus origin
lateral epicondyle of the humerus
75
Extensor Carpi Radialis Longus insertion
base of 2nd mateacarpal on dorsal surface
76
Extensor Carpi Radialis Longus action | elbow, radio ulnar, wrist
* Elbow: extension * Radio-ulnar: nothing * Wrist: extension and radial deviation
77
Extensor Carpi Ulnaris insertion
base of 5th metacarpal on dorsal surface
78
Extensor Carpi Ulnaris action | elbow, radio-ulnar, wrist
* Elbow: nothing(?) * Radio-ulnar: ulnar deviation * Wrist: extension
79
Extensor Carpi Radialis Brevis origin
lateral epicondyle of the humerus
80
Extensor Carpi Radialis Brevis insertion
base of 3rd metacarpal on dorsal surface
81
Extensor Carpi Radialis Brevis action | wrist and elbow
* Elbow: extension * Wrist: extension, radially deviates
82
Extensor Digitorum [Communis] origin
lateral epicondyle of the humerus
83
Extensor Digitorum [Communis] insertion
distal phalanx of 2-5 digits
84
Extensor Digitorum [Communis] action Elbow, Wrist, MCP, 1st and 2nd IP
* Elbow: extends * Wrist: extends * MCP: extends * 1st and 2nd IP: extends
85
Extensor Pollicis Longus origin
ulna
86
Extensor Pollicis Longus insertion
base of distal phalanx of the thumb
87
Extensor Pollicis Longus action | Radio-ulnar, Wrist, CMC, MC
Radio-ulnar: supination Wrist: extension and radial deviation CMC, MCP, IP: extension
88
Abductor Pollicis Longus origin
* radius * ulna * interosseous membrane
89
Abductor Pollicis Longus insertion
1st metacarpal
90
Abductor Pollicis Longus action | radio ulnar, wrist, cmc
* Radio-ulnar: supination * Wrist: extension * CMC: extension, abduction
91
Extensor Pollicis Brevis origin
radius
92
Extensor Pollicis Brevis insertion
proximal phalanx of the thumb
93
Extensor Pollicis Brevis action | wrist, CMC, MCP
* Wrist: weak extension and radial deviation * CMC, MCP: extension
94
Abductor Pollicis Longus origin
radius and ulna
95
Abductor Pollicis Longus insertion
metacarpal
96
Abductor Pollicis Longus action | radio ulnar, wrist, cmc
* Radio-ulnar: supination * Wrist: weak extension * CMC: abduction, extension
97
palmaris longus origin
medial epicondyle
98
palmaris longus insertion
palmar aponeurosis (palmar fascia overlies 2-4 metacarpals)
99
palmaris longus action | elbow, wrist, fasia of the palm
* elbow and wrist: flexion * fascia of palm tightens fascia as it's tug on
100
flexor carpi radialis origin
medial epicondyle of the humerus (crosses elbow) and ulna
101
flexor carpi radialis insertion
2nd and 3rd metacarpals
102
flexor carpi radialis action | elbow, radio-ulnar, wrist
* Elbow: flexion * Radio-ulnar: pronation * Wrist: radial deviation and flexion
103
flexor carpi ulnaris origin
medial epicondyle of the humerus and ulna
104
flexor carpi ulnaris insertion
base of 5th metacarpal
105
flexor carpi ulnaris action | elbow, radioulnar, wrist
* Elbow: flexion * Radio-ulnar: ulnar deviation * Wrist: flexion and ulnar deviation
106
Extensor Mechanism
extensor digitorum (communis) -> community network of tendons
107
extrinsic
cross the wrist
108
Retinaculum
covers wrist tendons from trauma -> on flexor and extensor side
109
Extensor Carlo ulnaris origin
Lateral epicondyle of the humerus
HESP 133
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