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120: > CHPT 8: APPENDCULAR SYS BONES > Flashcards

CHPT 8: APPENDCULAR SYS BONES Flashcards

1
Q

appendicular skeleton function

A

-movement

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2
Q

what bones are included in the appendicular skeleton

A

upper and lower limbs

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3
Q

the function of the girdles in appendicular region

A

-girdles attach the limbs to axial skeleton

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4
Q

skeleton of the upper limb, per one side

A
  • 1 clavicle and 1 scapula (pectoral girdle)
  • 1 humerus
  • 1 ulna
  • 1 radius
  • 8 carpals
  • 19 metacarpals + phalanges
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5
Q

how many bones total does one side of the upper limb have?

A

32

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6
Q

greater and less tubercle location

A

anterior, lateral, proximal side of humerus

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7
Q

intertubercular sulcus (groove) location

A

between greater and less tubercle, on anterior laterl, proxmial side of humerus

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8
Q

intertubercular sulcus (groove) function

A

separate 2 tubercule

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9
Q

head of the humerus function

A

fit into glenoid cavity and form the glenuhumreral joint

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10
Q

location of the head of humerus, looking from an anterior view

A

proximal end, faces posteriorly

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11
Q

anatomical neck location

A

anterior, proximal, medical of humerus

-inferior to head

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12
Q

anatomical neck function

A

separates head from lateral end

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13
Q

which part of the humerus is prone to fractures

A

surgical neck

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14
Q

location of surgical neck

A

proximal, inferior/ distal to anatomical neck

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15
Q

structures on the proximal anterior of humerus

A
  • greater and lesser tubercle
  • intertubercular sulcus (groove)
  • head
  • anatomical neck
  • surgical neck
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16
Q

structures on the distal anterior of humerus

A
  • radial fossa
  • lateral epicondyle
  • capittulum
  • coroniod fossa
  • medial epicondyle
  • trochlea
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17
Q

radial fossa function

A

flexing elbow causes head of radius to rest there

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18
Q

lateral epicondyle function

A

tendons of forearm attach here

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19
Q

capitulum function

A

articulates w/ head of radius

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20
Q

coronoid fossa function

A

flexing arm, trochear notch of ulna fits here

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21
Q

medical epicondyle function

A

tendons of forearm

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22
Q

trochlear function

A

articulates with trochlear notch of ulnda

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23
Q

radial groove location

A

posterior side of humerus

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24
Q

radial groove function

A

has radial nerve

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25
Q

deltiod tuberosity location

A

anterior humerus

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26
Q

what structure of the anterior humerus provides an attachment point of deltoid muscle

A

deltoid tuberosity

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27
Q

body shaft of anterior humerus function

A

-tendons of muscles coming from scapula that move elbow or shoulder joint enter

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28
Q

olecranon fossa function

A

olecran of ulna fits here

makes up the point bit of the elbow

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29
Q

olecranon fossa location

A

distal, posterior humerus

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30
Q

ulna anterior proximal structures

A
  • radial notch
  • trochlear notch
  • coronoid proccess
  • ulnar tuberosity
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31
Q

radial notch location

A

anterior, proximal, ulna

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32
Q

radial notch function

A
  • head of radius fits into here

- proximal radioulnar joint

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33
Q

trochlear notch function

A

-fits into trochlea of humerus

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34
Q

ulnar tuberosity function

A

-tendons of forearms attach

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35
Q

ulnar tuberosity location

A

proximal, anterior ulna

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36
Q

styloid process of ulna and radius location

A

-articulates with carpal bones

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37
Q

location of olecranon

A

-proximal, posterior ulna

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38
Q

proximal, anterior radius structure

A
  • head
  • neck
  • radial tuberosity
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39
Q

head of radius function

A

articulate with radial notch on ulna and capitulum on humerus

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40
Q

radial tuberosity function

A

tendons of biceps brachii insertion

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41
Q

which bone is shorter: ulna or radius?

A

radius

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42
Q

how many bones are there per hand

A

27

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43
Q

how many bones are in the wrist

A

8

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44
Q

how many bones make up the metacarpal

A

5

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45
Q

how are the metacarpals labelled

A

lateral to medial

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46
Q

how many bones are in the phalanges

A

14

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47
Q

proximal carpal bones

A

Scaphoid, Lunate, Triquetrum, Pisiform

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48
Q

distal carpal bones

A

Trapezium, trapezoid, capitate, hamate

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49
Q

which carpal is susceptible to fractures

A

scaphoid

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50
Q

does does capitate articulate with

A

metacarpal 3

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51
Q

which two carpal bones articulate with metacarpal 1 and 2

A

Traperzium and Trapezoid

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52
Q

scaphoid and lunate make up

A

the radoiocarpal joint

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53
Q

what does the hamate articulate with

A

metacarpal 4 and 5

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54
Q

muscles of the arm and forearm that move the elbow joint location on the plane

A

anterior and posterior

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55
Q

anterior muscles of the arm and forearm that move the elbow joint location on the plane function

A

flexors and synergisits

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56
Q

brachilais, brachioradilis and biceps brachia location

A

anterior muscles of the arm and forearm that move the elbow joint location on the plane

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57
Q

brachialis insertion

A

radius and ulna

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58
Q

brachialis origin

A

distal, anterior humerous

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59
Q

brachialis location

A

deeper to biceps

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60
Q

brachioradilis lnsertion

A

styloid process of radius

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61
Q

, brachioradilis origin

A

lateral, distal humerous

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62
Q

, brachioradilis movement

A

flex forearm, supination and pronation

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63
Q

biceps brachii origin

64
Q

biceps brachii insertion

A

radial tuberosity

65
Q

which muscle is the majority of the arm

A

biceps brachii

66
Q

posterior muscles of the arm and forearm that move the elbow joint names

A

triceps brachia and anconeous

67
Q

triceps brachii originn

A

scapula and around radial groove of humerus

68
Q

posterior muscles of the arm and forearm that move the elbow joint movement/ function

69
Q

triceps brachii insertion

A

olecranon of ulna

70
Q

Anconeus origin

A

lateral epicondyle

71
Q

anconeus insertion

A

olecranon of ulna

72
Q

supinator, pronator teres, pronator quadratus function

A

muscles of the arm that move the radius and ulna

73
Q

supinator insertion

A

lateral surface of proximal radius

74
Q

supinator origin

A

lateral condyle of humerus

75
Q

supinator function

A

supination + assist biceps

76
Q

pronator teres origin

A

medial epicondyle

77
Q

pronator teres insertion

A

mid, lateral radius

78
Q

pronator quadratus origin

A

distal shaft of ulna

79
Q

pronator quadratus insertion

A

distal portion of radius

80
Q

pronator teres, pronator quadratus function

81
Q

anterior forearm muscles that move the wrist, hands and fingers origin

A

medial epicondyle of the humerus

82
Q

anterior forearm muscles that move the wrist, hands and fingers function

A

flex the wrist, MP and IP

83
Q

superficial layers of anterior forearm muscles that move the wrist, hands and fingers muscles

A

flexor carpi ulnas, palmaris longus, flexor carpi radialis,

84
Q

intermediate layers anterior forearm muscles that move the wrist, hands and fingers muscles

A

flexor digitorium superficialis

85
Q

deep layers anterior forearm muscles that move the wrist, hands and fingers muscles

A

flexor politics longus, flexor digitorim profundus

86
Q

flexor carpi ulnaris insertion

A
  • pisiform
  • hamate
  • base of 5th metacarpal
87
Q

flexor carpi ulnaris function

A

flex and adduct hand at wrist

88
Q

flexor carpi radialis insertion

A

based of metacarpal 2 and 3

89
Q

flexor carpi radialis function

A

flexes and adbucts hand at wrist joint

90
Q

palmaris longus insertion

A
  • flexor retinaculum

- palamar aponeurons

91
Q

palmaris longus function

A

-flex hand at wrist joint

92
Q

flexor digitorium superficalis insertion

A

-phalanges of fingers 2-5

93
Q

flexor digitorium superficalis function

A

flex above ip joints

94
Q

flexor pollicis longus insertion

A

base of distal thub

95
Q

pollex =

96
Q

flexor pollicis longus origin

A

anterior radius

97
Q

flexor pollicis longus function

A

flexes MP and IP joints of thumb

98
Q

flexor digitorium profundus insertions

A

-distal phalanx of 2-5 fingers

99
Q

flexor digitorium profundus origin

A

anterior, medial ulna

100
Q

posterior forearm muscles that move the wrist, hands and fingers function

A

extend wrist, mp, ip joints

101
Q

superficial posterior forearm muscles that move the wrist, hands and fingers origin

A

lateral epicondyle

102
Q

superficial posterior forearm muscles that move the wrist, hands and fingers muscles

A

extensor carpi radialis longus, extensor carpi radialis brevius, extensor digitorum, extensor carpi ulnaris, extensor digit minimi

103
Q

deep posterior forearm muscles that move the wrist, hands and fingers muscles

A

abductor pollici longus, extensor pollicis brevis, extensor pollicis longus, extensor indics

104
Q

extensor carpi radialis longus function

A

extends and abducts Hand at wrist

105
Q

extensor carpi radialis longus insertion

A

base of metacarpal 2

106
Q

extensor carpi radialis brevius insertion

A

base of metacarpal 3

107
Q

extensor carpi radialis brevius function

A

extend and abducts

108
Q

extensor digiti minimi insertion

A

extensor digitorim of 5th phalanx

109
Q

extensor digiti minimi innervation

A

5th finger

110
Q

extensor digitorum insertion

A

distal and middle phalanges of finger 2-5

111
Q

extensor digitorum function

A

extend wrist, mp, proximal and distal ip

112
Q

extensor carpi ulnaris insertion

A

base of metacarpal 5

113
Q

extensor carpi ulnaris function

A

extend the wrist + adduct

114
Q

abductor pollici longus origin

A

interosses ligaments

115
Q

abductor pollici longus insertion

A

lateral edge of metacarpal 1

116
Q

abductor pollici longus function

A

abduct thumb and hand

117
Q

extensor pollicis brevis origin

A

posterior ulna

118
Q

extensor pollicis brevis insertion

A

base of thumbs metacarpal

119
Q

extensor pollicis brevis function

A

extend mp joints of the thumb

120
Q

extensor pollicis longus origin

A

mid-ulnar region

121
Q

extensor pollicis longus function

A

innervates the joints of thumb and abducts the hand

122
Q

extensor pollicis longus insertion

A

distal phalanx of thumb

123
Q

extensor indics origin

A

posterior ulna and intraosseous membrane

124
Q

extensor indics insertion

A

tendon of extensor of digistorium of index finger

125
Q

extensor indics function

A

extends mp, proximal and distal ip

126
Q

intrinsic muscles of hands groups

A

thenar, hypothenar, mid-palmer

127
Q

intrinsic muscles of hands origin and insertion

A

within hand

128
Q

which intrinsic muscles of hands allow thumb movements

129
Q

which intrinsic muscles of hands allow pinky movement s

A

hypothenar

130
Q

midpalamer

A
  • in between thenar and hypothenar
131
Q

thenar muscles

A

flexor pollicis brevis
adductor pollicis brevis
opponens pollici

132
Q

flexor pollicis brevis function

A

flexes thumb

133
Q

flexor pollicis brevis origin

A

flexor retinaculum and trapezium

134
Q

flexor pollicis brevis insertion

A

proximal phalanx of thumb

135
Q

adductor pollicis brevis function

A

adduct thumb

136
Q

adductor pollicis brevis origin

A

flexor retinaculum, scaphoid and trapezium

137
Q

adductor pollicis brevis insertion

A

lateral side metacarpal 1

138
Q

opponens pollici function

A

move thumb across palm to meet any finger

139
Q

opponens pollici origin

A

flexor retinaculum, trapezium

140
Q

opponens pollici insertion

A

lateral side of metacarpal 1

141
Q

muscles of hypothenar

A

flexor digiti minimi brevis,
abductor digit minimi,
oponens digiti minimi

142
Q

flexor digiti minimi brevis, function

A

flexes little fingers

143
Q

flexor digiti minimi brevis, origin

A

hamate, flexor retinaculum

144
Q

flexor digiti minimi brevis, insertion

A

proximal phalanx of pinky

145
Q

abductor digit minimi, function

A

abducts and flexes pinky

146
Q

abductor digit minimi, origin

A

pisiform bone, tendon of carpi ulnaris

147
Q

abductor digit minimi, insertion

A

proximal phalanx pinky

148
Q

abductor digit minimi, function

A

moves lil finger to meet thumb

149
Q

abductor digit minimi, origin

A

hamate bone, flexor retinaculum

150
Q

abductor digit minimi, insertion

A

proximal phalanx of pinky

151
Q

midpalmer muscles

A

lumbrical muscles
dorsal interossei muscles
palmer interossei

152
Q

lumbrical muscles function

A

flexes the mp and extends the pip and dip of 2-5

153
Q

lumbrical muscles insertion

A

tendons of flexor digitorium profundus

154
Q

lumbrical muscles origin

A

dorsal tendons of finger 2-5

155
Q

dorsal interossei muscles function

A

flexes the mp and extends the pip and dip of 2-5

156
Q

dorsal interossei muscles origin

A

opposite faces of metacarpals

157
Q

dorsal interossei muscles insertion

A

dorsal tendons of fingers 2-5

120: (15 decks)

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