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Anatomy > Lab 8 AOIs > Flashcards

Lab 8 AOIs Flashcards

1
Q

Pectoralis major

A

Muscle Crossing Shoulder Joint

A: Adducts, flexes, and medially rotates arm

O: clavicle, sternum, and ribs

I: Humerus
(Intertubercular sulcus)

Both

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2
Q

Latissimus dorsi

A

Muscle Crossing Shoulder Joint

A: Adducts, extends and
medially rotates arm

O: Scapula, vertebral
column, and iliac crest

I: Humerus
(Intertubercular sulcus)

Both

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3
Q

Trapezius

A

Posterior Thorax

A:Adducts and rotates
scapula; elevation and depression of
scapula

O: Superior nuchal line of
Occipital bone and
vertebral column

I: Lateral Clavicle and
scapular spine and
acromion

Both

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3
Q

Deltoid

A

Muscle Crossing Shoulder Joint

A: Abducts, flexes, and rotates
arm medially and laterally

O: Clavicle and scapula

I: Deltoid tuberosity of
humerus

Both

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4
Q

Levator Scapulae

A

Posterior Thorax

A: Elevation of scapula, lateral
neck flexion

O: Transverse processes of
cervical vertebrae
(C1-C4)

I: Medial and Lateral
border (scapula)

Both

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5
Q

Pectoralis minor

A

Anterior Thorax

A: Stabilizes, abducts &
laterally rotates scapula

O: Ribs 3-5

I: Scapula (coracoid process)

Both

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6
Q

Subscapularis

A

Shoulder joint

A: Medial rotation of arm,
stabilizes humerus head
in glenoid cavity

O: Subscapular fossa of
scapula

I: Lesser tubercle of
humerus

Both

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7
Q

Infraspinatus

A

Shoulder joint

A: Lateral rotation of arm,
stabilizes humerus head
in glenoid cavity

O: Infraspinous fossa of
scapula

I: Greater tubercle of
humerus

Both

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8
Q

Supraspinatus

A

Shoulder joint

A: Abduction of arm,
stabilizes humerus head
in glenoid cavity

O: Supraspinous fossa of
scapula

I: Greater tubercle of
humerus

Both

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9
Q

Teres minor

A

Shoulder joint

A: Lateral rotation and
adduction of arm,
stabilizes humerus head
in glenoid cavity

O: Lateral border of
scapula

I: Greater tubercle of
humerus

Both

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10
Q

Teres major

A

Shoulder joint

A: Medial rotation,
adduction & extension
of arm

O: Inferior angle and
lateral border of
scapula

I: Greater tubercular
sulcus of humerus

Both

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11
Q

Coracobrachialis

A

Shoulder joint

A: Flexion and adduction
of arm

O: Coracoid process of
scapula

I: Greater tubercular
sulcus of humerus

Both

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12
Q

Biceps brachii
(long and
short head)

A

Anterior Arm Muscles

A: Supination and flexion
of forearm

O: Supraglenoid tubercle
& coracoid process of
scapula

I: Radial tuberosity

Both

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13
Q

Brachialis

A

Anterior Arm Muscles

A: flexion of forearm

O: Anterior distal shaft of
humerus

I: Ulnar tuberosity and
coracoid process of
ulna

Both

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14
Q

Triceps brachii
(long , lateral
, and medial
head)

A

Posterior arm

A: Extension of
forearm; stabilizes
shoulder joint

O: Infraglenoid tubercle (scapula)
and proximal posterior shaft of
humerus

I: Olecranon process (ulna)

Both

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15
Q

Brachioradialis

A

Anterior forearm

A: Flexion of forearm;
pronation of forearm
(when supinated);
supination of forearm
(when pronated)

O: Distal shaft of
humerus

I: Styloid process of radius

Both

16
Q

Flexor carpi
radialis

A

Anterior superficial forearm

A: Wrist flexion and hand
abduction

O: Medial epicondyle
(humerus)

I: Metacarpals II and III

Both

17
Q

Palmaris Longus

A

Anterior superficial forearm

A: Wrist flexion (weak)

O: Medial epicondyle
(humerus)

I: Palmar aponeurosis
(sheet-like tendon)

Both

18
Q

Flexor Carpi Ulnaris

A

Anterior superficial forearm

A: Wrist flexion and hand
adduction

O: Medial epicondyle of
humerus and
olecranon process
and posterior border
(ulna)

I: Pisiform and hamate
(carpal bones)

Both

19
Q

Pronator teres

A

Anterior superficial forearm

A: Forearm pronation

O: Medial epicondyle
(humerus) and
coronoid process of
ulna

I: Lateral mid-shaft of
radius

Both

20
Q

Flexor pollicis
longus

A

Anterior Deep Forearm

A: Flexion of the thumb

O: Mid-shaft of radius;
coronoid process
(ulna)

I: Distal phalanx of I
(thumb)

Human

21
Q

Flexor
digitorum
profundus

A

Anterior Deep Forearm

A: Flexion of wrist and
fingers (2-5)

O: Proximal shaft of ulna

I: Distal phalanges II- V

Both

22
Q

Supinator

A

Posterior Deep Forearm

A: Supination of forearm

O: Ulna (posterior
proximal shaft);
lateral epicondyle of
humerus

I: Radius (lateral proximal
shaft)

Both

23
Q

Flexor Carpi Radialis

A

Anterior superficial forearm

A: Wrist flexion and hand
abduction

O: Medial epicondyle
(humerus)

I: Metacarpals II and
III

Both

24
Q

Palmaris Longus

A

Anterior superficial forearm

A: Wrist flexion (weak)

O: Medial epicondyle
(humerus)

I: Palmar aponeurosis
(sheet-like tendon)

Both

25
Q

Flexor Carpi Ulnaris

A

Anterior superficial forearm

A: Wrist flexion and hand
adduction

O: Medial epicondyle of
humerus and
olecranon process and
posterior border (ulna)
I: Pisiform and hamate
(carpal bones)

Both

26
Q

Pronator Teres

A

Anterior superficial forearm

A: Forearm pronation

O: Medial epicondyle
(humerus) and coronoid
process of ulna
I: Lateral mid-shaft of
radius Both

27
Q

Extensor carpi
radialis longus

A

Posterior superficial forearm

A: Extension of wrist and
abduction of hand

O: Supracondylar ridge
(humerus)

I: Metacarpal II

Both

28
Q

Extensor carpi
radialis brevis

A

Posterior superficial forearm

A: Extension of wrist and
abduction of hand

O: Lateral epicondyle
(humerus)

I: Metacarpal III

Both

29
Q

Extensor digitorum

A

Posterior superficial forearm

A: Extension of wrist and
fingers (2-5)

O: Lateral epicondyle
(humerus)

I: Phalanges II-V

Both

30
Q

Extensor carpi ulnaris

A

Posterior superficial forearm

A: Extension of wrist;
adduction of wrist

O: Lateral epicondyle
(humerus) and ulna

I: Metacarpal V

Both

31
Q

Abducor pollicis longus

A

Posterior Deep Forearm

A: Abduction & extension of
thumb

O: Radius & ulna (both
proximal posterior);
interosseous membrane

I: Metacarpal I (base)

Both

32
Q

Extensor pollicis longus

A

Posterior Deep Forearm

A: Extension of thumb

O: Ulna (posterior midshaft); interosseous
membrane

I: Distal phalanx of
thumb

Both

33
Q

Supinator

A

Posterior Deep Forearm

A: Supination of forearm

O: Ulna (posterior proximal
shaft); lateral epicondyle
of humerus

I: Radius (lateral
proximal shaft)

Both

Anatomy (8 decks)

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