BIOL155 > Tutorial 6 - Upper Limbs > Flashcards

Tutorial 6 - Upper Limbs Flashcards

(68 cards)

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1
Q

3 Muscles in the Anterior Shoulder Girdle (Thorax)

A

subclavius
pectoralis minor
serratus anterior

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2
Q

Subclavius

A

thorax: anterior shoulder girdle

move the scapula and stabilize the shoulder girdle

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3
Q

Pectoralis minor

A

thorax: anterior shoulder girdle

move the scapula and stabilize the shoulder girdle

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4
Q

Serratus anterior

A

thorax: anterior shoulder girdle

move the scapula and stabilize the shoulder girdle

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5
Q

Trapezuis

A

thorax: posterior shoulder girdle

prime movers in elevation of the shoulder

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6
Q

Levator scapulae

A

thorax: posterior shoulder girdle

prime movers in elevation of the shoulder

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7
Q

Rhomboid major

A

thorax: posterior shoulder girdle

retract and stabilize scapula

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8
Q

Rhomboid minor

A

thorax: posterior shoulder girdle

retract and stabilize scapula

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9
Q

4 Muscles in the Posterior Shoulder Girdle (Thorax)

A

trapezius
levator scapulae
rhomboid major
rhomboid minor

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10
Q

3 Prime Movers on Arms (Thorax)

A

pectoralis major
latissimus
deltoid

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11
Q

Pectoralis major

A

thorax: prime movers on arms

cross the shoulder joint and insert on the humerus

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12
Q

Latissimus dorsi

A

thorax: prime movers on arms

cross the shoulder joint and insert on the humerus

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13
Q

Deltoid

A

thorax: prime movers on arms

cross the shoulder joint and insert on the humerus

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14
Q

Synergist

A

assist the agonist muscle or the “prime mover”

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15
Q

Fixator

A

stabilizes the origin of the agonist and the joint the origin spans

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16
Q

6 Synergists/Fixators Arm Muscles

A

supraspinatus
infraspinatus
teres minor
teres major
coracobrachialis
subscapularis

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17
Q

Supraspinatus

A

arms: synergists & fixators

  • stabilize and assist in movements of the humerus

ALSO

arms: rotator cuff

  • assist in rotation of the arm and prevent dislocation of shoulder joint
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18
Q

Infraspinatus

A

arms: synergists & fixators

  • stabilize and assist in movements of the humerus

ALSO

arms: rotator cuff

  • assist in rotation of the arm and prevent dislocation of shoulder joint
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19
Q

Teres minor

A

arms: synergists & fixators

  • stabilize and assist in movements of the humerus

ALSO

arms: rotator cuff

  • assist in rotation of the arm and prevent dislocation of shoulder joint
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20
Q

Teres major

A

arms: synergists & fixators

  • stabilize and assist in movements of the humerus
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21
Q

Coracobrachialis

A

arms: synergists & fixators

  • stabilize and assist in movements of the humerus
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22
Q

Subscapularis

A

arms: synergists & fixators

  • stabilize and assist in movements of the humerus

ALSO

arms: rotator cuff

  • assist in rotation of the arm and prevent dislocation of shoulder joint
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23
Q

Which 4 synergist/fixator arm muscles are part of the rotator cuff?

A

supraspinatus
infraspinatus
teres minor
subscapularis

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24
Q

What are the four forearm elbow flexors?

A

biceps brachii (long head)
biceps brachii (short head)
brachialis
brachioradialis

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25
Biceps brachii (long head)
forearm: elbow flexors main muscles of elbow flexion
26
Biceps brachii (short head)
forearm: elbow flexors main muscles of elbow flexion
27
Brachialis
forearm: elbow flexors main muscles of elbow flexion
28
Brachioradialis
forearm: elbow flexors main muscles of elbow flexion
29
4 Forearm elbow extensors
triceps brachii (long head) triceps brachii (lateral head) triceps brachii (medial head) anoconeus
30
Triceps brachii (long head)
forearm: elbow extensors - main muscles of elbow extension
31
Triceps brachii (lateral head)
forearm: elbow extensors - main muscles of elbow extension
32
Triceps brachii (medial head)
forearm: elbow extensors - main muscles of elbow extension
33
Anoconeus
forearm: elbow extensors - main synergist (assisting) muscle of extension
34
What is pronation
pronating forearm, rotating the radius so that your palm is facing out
35
What is supination
reversing pronation, supinating the forearm so that the back of your hand is visible
36
What are the two forearm muscles associated with pronation?
pronator teres / pronator quadratus
37
What is the forearm muscle associate with supination?
supinator
38
What are the two categories of flexors and extensors in the hand?
superficial flexors deep flexors superficial extensors deep extensors
39
What are the four superficial flexors in the hand
flexor carpi radialis palmaris longus flexor carpi ulnaris flexor digitorium superficialis
40
What are the two deep flexors in the hand
flexor pollicis longus flexor digitorium profundus
41
What are the five superficial extensors in the hand
extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum extensor digiti minimi extensor carpi ulnaris
42
What are the four deep extensors in the hand
abductor pollicis longus extensor pollicis longus extensor pollicis brevis extensor indicis
43
What are the three types of muscles in the fingers
thenar midpalmar hypothenar
44
Flexor carpi radialis
hand: superficial flexors
45
Palmaris longus
hand: superficial flexors
46
Flexor carpi ulnaris
hand: superficial flexors
47
Flexor digitorium superficialis
hand: superficial flexors
48
Flexor pollicis longus
hand: deep flexors
49
Flexor digitorium profundus
hand: deep flexors
50
Extensor carpi radialis longus
hand: superficial extensors
51
Extensor carpi radialis brevis
hand: superficial extensors
52
Extensor digitorum
hand: superficial extensors
53
Extensor digiti minimi
hand: superficial extensors
54
Extensor carpi ulnaris
hand: superficial extensors
55
Abductor pollicis longus
hand: deep extensors
56
Extensor pollicis brevis
hand: deep extensors
57
Extensor indicis
hand: deep extensors
58
Extensor pollicis longus
hand: deep extensors
59
Hands: Superficial flexors
muscles that flex the wrist and digits 2-5
60
Hands: Deep flexors
flex the thumb and fingers
61
Hands: Superficial extensors
extend the wrist, digits, little finger
62
Hands: Deep extensors
abduct and extend thumb/index finger
63
What are the 3 midpalmar muscles
lumbricalis palmar interossei dorsal interossei
64
What are the 4 thenar muscles
abductor pollicis brevis opponens pollicis flexor pollicis brevis adductor pollicis
65
What are the 3 hypothenar muscles
abductor digiti minimi flexor digiti minimi brevis opponens digiti minimi
66
Fingers: midpalmar
fine movements of fingers
67
Fingers: thenar
muscles that move the thumb (1st digit)
68
Fingers: hypothenar
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