muscles

  • Created by: Sarah
  • Created on: 31-05-18 10:35
what runs through the intertubercular sulcus of the humerus?
the long head of the biceps
1 of 128
what inserts onto the intertubercular suclus?
1) teres major 2) latissimus dorsi 3) pec major
2 of 128
what does pec major do?
adducts + medial rotates the upper limb. Pulls scapula anteriorinferiorly
3 of 128
where does pec major originate from?
sternum and clavicle
4 of 128
what does pec minor do to the scapula?
pulls it against the chest wall, stabilises anterioinferiorly pulls
5 of 128
where does pec minor origin and insert?
3rd-5th ribs to coracoid of scapula
6 of 128
where does subclavian change to axilliary?
1st rib at armpit
7 of 128
where does axillary change to brachial artery?
teres major
8 of 128
what do both infraspinatus and teres minor do?
laterally rotate the arm
9 of 128
what does the latissimus dorsi do?
extends adducts and medially rotates the upper limb
10 of 128
what does the axillary nerve supply?
teres minor and deltoid
11 of 128
what kind of joint is the glenohumeral joint?
synovial joint- ball and socket
12 of 128
what does the glenohumeral joint have for shock absorption?
bursae
13 of 128
wrsit joint is what kind of joint?
condyloid joint
14 of 128
what is the glenohumeral joint covered with?
hyaline cartilage + glenoid labrum- fibrocartilaginous disc that prevents dislocation (creates a seal)
15 of 128
what is strange about latissimus dorsi?
it extends the arm
16 of 128
who are the main abductors?
0-15 suprsaprinatus 15-90 deltoid (middle fibres) over 90- trapezius and serratus anterior
17 of 128
what do the rhomboids do?
rotate and retract the scapula
18 of 128
where do the rhomboids originate and insert?
C7-T1 (minor) / T2-T5 spinous processes -> medial border of scapula
19 of 128
what gibves adduction at the glenohumeral joint?
pec major, latissimus dorsi and teres major
20 of 128
where does teres major originate and insert?
inferior angle of scapula -> intertubercular sulcus
21 of 128
what are teres major and subscapularis innervated by?
subscapular nerve
22 of 128
what is innervtaed by the thoracodorsal nerve?
latissimus dorsal
23 of 128
what innervates trapezius
accesory nerve
24 of 128
what innervates the rhomboids ?
dorsal scapular nerve
25 of 128
what do each of the fibres of the deltoid do?
1) anterior- flex the arm 2) middle- major abductor 3)posterior- extend the arm
26 of 128
where does the deltoid originate?
SC- scapula and clavicle
27 of 128
where does the deltoid insert?
deltoid tuberosity
28 of 128
teres major action?
adducts at shoulder and medially rotates the arm
29 of 128
teres minor action?
laterally rotates the arm
30 of 128
insertion and origin of teres minor?
posterior scapula to greater tubercule of humerus
31 of 128
origins of subscapularis, infraspinaspinatus and supraspinatus?
subscapular fossa, infraspinous fossa, supraspinous fossa
32 of 128
where does the subscapularis insert?
round the front- so lesser tubercule
33 of 128
where does infraspinatus, teres minor and supraspinatus insert?
greater tubercule of humerus
34 of 128
flexor carpi ulnaris orgin?
medial epi and ulna
35 of 128
where does flexor carpi ulnaris insert?
pisiform
36 of 128
where does flexor carpi radialis insert?
metacarpals 2 and 3
37 of 128
where does flexor carpi radialis originate?
medial epicondyle
38 of 128
action of flexor carpi radialis?
abduct and flex the wrist
39 of 128
flexor carpi ulnaris innervation?
ulnar nerve
40 of 128
rest of anterior compartment nerve?
median nerve (except flexor digitorum profundus + FCU)
41 of 128
action of flexor carpi ulnairs?
adducts and flexes the wrist
42 of 128
what muscle does not everyone have?
palmaris longus
43 of 128
where does palamaris longus originate?
medial epi
44 of 128
where does palmaris longus insert?
flexor retinaculum
45 of 128
what does palmaris longus do?
flexion at the wrist
46 of 128
pronator teres origin and insertion?
medial epicondyle -> mid shaft radius
47 of 128
what part of the arm does pronator teres pronate?
the forearm
48 of 128
where does the supinator come from?
lateral epi and ulna
49 of 128
where does supinator go to?
radius
50 of 128
what can flexor digitorum superficialis do?
flex wrist, MCP and proximal IP joints
51 of 128
where does flexor digitorum superficialis insert?
middle phalnges of the fingers
52 of 128
where does flexor digitorum profundus insert?
distal phalnges of the fingers
53 of 128
where does flexor digitorum superficialis originate?
med epi and radius
54 of 128
where does flexor digitorum profundus orginate?
ulna
55 of 128
what does the flexor digitorum profundus do?
flexes wrist, MCP, proximal and distal IP
56 of 128
innervation of flexor digitorum profundus?
medial 2 fingers (little and ring)- ulnar lateral- median nerve
57 of 128
what side is the flexor pollicus longus on?
the thumb side
58 of 128
origin and insertion of pronator quadratus?
ulna (FDP)-> radius
59 of 128
what does pronator quadratus do?
pronates the forearm
60 of 128
what is the deep muslce in the anterior forearm compartment associated with the thumb?
flexor pollicus longus
61 of 128
where does the flexor pollicus longus originate?
ulna
62 of 128
where does the flexor pollicus longus insert?
distal phalnx of the thumb
63 of 128
what joints can the flexor pollicus longus flex?
MCP + IP joints of the thumb
64 of 128
where do most muscles in the deep muslce in the anterior forearm compartment originate? exception?
FDP + pronator quadratus are from ulna. FDS + flexor pollicus longus is from radius.
65 of 128
where does the long and short head of biceps come from?
long head- supraglenoid tubercule short- coracoid process
66 of 128
what does the biceps do?
supinates the forearm and flexes at the elbow and arm
67 of 128
where does biceps insert into?
Radial tuberosity
68 of 128
where does coracobrachialis insert?
humerus at level of deltoid tubercle
69 of 128
where does brachialis insert?
ulna tuberosity
70 of 128
where does brachialis originate?
medial and lateral shaft of humerus
71 of 128
where does coracobrachilalis originate?
coracoid process (-> humerus level of delotid tubercule)
72 of 128
what does coracobrachilis do?
adduct and flexes at the shoulder
73 of 128
what does brachialis do?
flexes at the elbow
74 of 128
what are all the anterior forearm compartment supplied by?
musculocutaneous nerve
75 of 128
what are all the posterior compartment supplied by?
radial nerve
76 of 128
where does the long head of the triceps come from?
infraglenoid tubercule (lesser of biceps)
77 of 128
where does the lateral head of the triceps come from?
humerus superior to radial groove
78 of 128
where does the medial head of the triceps come from?
humerus- inferior to radial groove
79 of 128
where does triceps insert?
olecranon of ulna
80 of 128
what does triceps do/
extension of arm at elbow
81 of 128
how is brachioradialis a flexor muslce?
flexes at elbow
82 of 128
how is brachioradialis posterior compartment?
has origin from the lateral epicondyle = supplied by the radial nerve
83 of 128
where does brachioradialis orginate?
lateral supracondylar ridge of humerus
84 of 128
where does brachioradialis insert?
distal radius just before the styloid process (its in the name)
85 of 128
where does extensor carpi longus originate?
supracondylar ridge
86 of 128
where does extensor carpi brevis orginate?
lateral epi
87 of 128
what makes up the medial border of the cubital fossa?
lateral border of pronator teres
88 of 128
what makes up the lateral border of the cubital fossa?
medial border of brachioradialis
89 of 128
what makes up the roof of the cubital fossa?
bicipital aponeurosis
90 of 128
what is in the cubital fossa?
radial nerve, biceps tendon, brachial artery, median nerve
91 of 128
superior border of cubital fossa?
imaginary line between epicondyles
92 of 128
where do extensor carpi radialis longus and brevis insert (and also flexor carpi radialis)?
metacarpals 2 + 3
93 of 128
what action do extensor carpi radialis longus and brevis perform?
extend and abduct wrist
94 of 128
extensor digitorum origin and insertion?
lateral epi -> extensor hood of the fingers
95 of 128
where does extensor digitorum extend?
MCP and IP joints of medial 4 fingers
96 of 128
where does extensor digiti minimi originate and insert?
lateral epi -> extensor hood of little finger (along with extensor digitorum)
97 of 128
action of extensor digiti minimi?
extends little finger and wrist
98 of 128
aconeus origin and insertion?
lateral epi -> olecranon
99 of 128
what does the aconeus do?
stabilises elbow joint
100 of 128
where does extensor carpi ulnaris originate and attach?
lateral epi to metacarpal 5
101 of 128
action of extensor carpi ulnaris?
adduction and extension of the wrist
102 of 128
name he deep muscles of the posterior compartment?
supinator, extensor carpi radialis longus and brevis, abductor pollicus longus and extensor indicius
103 of 128
where does supinator originate?
ulna and lateral epi
104 of 128
where does supinator insert?
into radius
105 of 128
abductor pollicus longus does what?
abducts the thumb
106 of 128
where does abductor pollicus longus come from?
radius and ulna
107 of 128
where does abductor pollicus longus insert?
metacarpal 1
108 of 128
difference between insertions of extensor pollicus longus and brevis?
longus- distal phalnx of thumb, brevis- proximal phalnx of thumb
109 of 128
what metacarpal is the thumb?
1
110 of 128
what does the abductor pollicus longus do?
abduct thumb
111 of 128
where does abductor pollicus longus originate and insert?
radius and ulna -> metacarpal 1
112 of 128
how many palmar interressoui are there?
3
113 of 128
how many dorsal interessoui?
4
114 of 128
what is non communicating hydrocephalus?
a block in CSF pathway
115 of 128
what is communciating hydrocephalus?
reabsorption
116 of 128
where do the intereoussi originate and insetr?
lateral and medial surface of metacarpal insert into extensor hoodq
117 of 128
what are interesoussi innervated by?
ulnar
118 of 128
where does palmaris brevis orginate and insertion?
palmar aponeurosis + FR -> dermis of skin
119 of 128
action of palmar brevis?
wrinkles skin at little finger allows better grip
120 of 128
adductor pollicis originate and insertion?
metacarpal 3 + capitate -> proximal phalnx of thumb
121 of 128
where does extensor pollicus brevis originate and insert?
radius -> proximal phalnx of the thumb
122 of 128
what does extensor pollicus brevis extend?
MCP + CM joins of thumb
123 of 128
where does extensor pollicus longus originate and insert?
ulna -> distal phalnx of the thumb
124 of 128
what does the extensor pollicus longus do?
extends MCP, CM and IP joints of the thumb
125 of 128
how afre extensor pollicus longus and extensor indicis similar?
both come from ulna but extensor indicius comes from further down/distal
126 of 128
where does the extesnor indicis originate?
ulna
127 of 128
where does extensor indicis insert?
extensor hood of index finger
128 of 128

Other cards in this set

Card 2

Front

what inserts onto the intertubercular suclus?

Back

1) teres major 2) latissimus dorsi 3) pec major

Card 3

Front

what does pec major do?

Back

Preview of the front of card 3

Card 4

Front

where does pec major originate from?

Back

Preview of the front of card 4

Card 5

Front

what does pec minor do to the scapula?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all anatomy resources »