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IPAP 21-2 Freshman Semester > Orgins And Insertions AP I > Flashcards

Orgins And Insertions AP I Flashcards

1
Q

Pec Major

A

O: clavicle, Sternum, Costal cartilages of ribs 2-7
I: Intertubercular Sulcus/ groove of humerus
A: adducts and medially rotates humerus at shoulder joint
N: median and lateral pectoral nerves

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2
Q

Pec Minor

A

O: Ribs 3-5
I: Coracoid Process
A: Abducts/protracts scapula and rotates it downwards
Elevates ribs during forced inhalation when the scapula is fixed

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3
Q

Serratus anterior

A

O: superior 9 ribs
I: vertebral border and inf. Angle of the scapula
A: Abducts scapula and rotates in upward, elevates ribs when the scapula is fixed
N: Long thoracic nerve

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4
Q

What muscle is called the boxers muscle

A

Serratus anterior

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5
Q

Subclavis Muscle

A

O: first rib
I: clavicle
A: depresses clavicle and moves in anteriorly. Stabilizes the pec girdle
N: Subclavian nerve

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6
Q

Trapezius

A

O: Occipital protuberance, sup. Nuchal line, nuchal ligament, and spinous process of C7-T12
I: Clavicle, acromion, and spine of scapula
A: superior fibers elevate scapula and extend head, middle fibers adductor/retract scapula, inferior fibers depress scapula
N: CN XI

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7
Q

Latissimus Dorsi

A

O: Spinous process of inferior 6 thoracic vertebra, lumbar vert. T7-L5 crests of sacrum and ilium.
I: Intertubecular sulcus of humerus
A: Extends, adducts , and medially rotates humerus at shoulder joint, draws arm inf. And post., raises body toward arms during climbing
N: thoracodorsal nerve

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8
Q

Levator Scapulae

A

O: Sup. 5 cervical vert.
I: Superior vertebral border of scapula
A: Elevates scapula
N: Dorsal scapular nerve

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9
Q

Rhomboid Major

A

O: spinous processes of thoracic vertebrae T2-T5
I: medial border of scapula inf. To the scapular spine
A: elevates and adducts scapula, stabilizes scapula
N: dorsal scapular nerve

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10
Q

Rhomboid Minor

A

O: Spinous processes of C7 and T1
I: medial border of scapula superior to the scapular spine
A: elevates and adducts scapula, stabilizes scapula
N: dorsal scapular nerve

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11
Q

Deltoid

A

O: Acromial extremity of clavicle, acromion, and spine of scapula
I: deltoid tuberosity of humerus
A: entire muscle abducts arm at shoulder joint, anterior fibers flex and medially rotate arm, posterior fibers extend and laterally rotate arm
N: axillary nerve

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12
Q

Supraspinatus

A

O: supraspinous fossa of scapula
I: greater tubercle of humerus
A: assists deltoid with initial stages of addicting arm at shoulder joint. Continues to act throughout abduction
N: suprascapular nerve

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13
Q

Infraspinatus

A

O: infraspinatus fossa of scapula
I: greater tubercle of humerus
A: laterally rotates arm at shoulder joint
N: suprascapular nerve

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14
Q

Teres Minor

A

O: middle lateral border of scapula
I: greater tubercle of humerus
A: laterally rotates and adducts arm at shoulder joint
N: Axillary Nerve

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15
Q

Teres Major

A

O: inferior Lateral border of scapula
I: intertubecular sulcus of humerus
A: adducts, medially rotates, and extends arm at shoulder joint
N: lower scapular nerve

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16
Q

Subscapularis

A

O: subscapular fossa of scapula
I: lesser tubercle of humerus
A: medially rotates arm at shoulder joint
N: upper and lower subscapular nerves

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17
Q

Dorsal Interossei

A 
O: adjacent sides of two metacarpals 
(Bipennate muscles) 
I: digits 2-3-4 
A: abducts digits, extends fingers 
(Acts with limbricals) 
N: ulnar nerve
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18
Q

Palmar Inerossei

A 
O: palmar surfaces of metacarpals 
I: digits 2-4-5 
A: abducts and flexes fingers 
(Acting with lumbricals) 
N: ulnar nerve
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19
Q

Lumbricals

A

O: distal portion of flexor digitorum profundus tendons
I: distal portion of extensor digitorum tendons
A: flexes and extends finger
N: median and ulnar nerves

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20
Q

Opponens Digiti Minimi

A

O: flexor retinaculum and hamate
I: medial 5th metacarpal
A: draws 5th metacarpal anteriorly, bringing 5th digits into opposition with the thumb
N: ulnar nerve

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21
Q

Flexor Digiti Minimi Brevísimo

A

O: flexor retinaculum and hamate
I: medial side of proximal phalanx of little finger
A: flexes 5th digit
N: Ulnar nerve

22
Q

Abductor Digiti Minimi

A

O: pisiform
I: medial side of proximal phalanx of little finger
A: abducts and flexes 5th digit
N: ulnar nerve

23
Q

Adductor Pollicis

A

O: anterior palmar side of 2nd and 3rd metacarpals
I: medial side of proximal phalanx of thumb
A: draws 1st metacarpal medically toward center of palm
(Adducts thumb)
N: ulnar nerve

24
Q

Flexor pollicis brevis

A

O: flexor retinaculum, scaphoid, and trapezium
I: lateral side of proximal phalanx of thumb
A: flexes thumb
N: median and ulnar nerves

25
Q

Opponens Pollicis

A

O: flexor retinaculum, scaphoid, and trapezium
I: lateral 1st metacarpal
A: draws 1st metacarpal medially to oppose little finger toward center of palm
N: median nerve

26
Q

Abductor Pollicis Brevis

A

O: flexor retinaculum, scaphoid, and trapezium
I: Lateral side of proximal phalanx of thumb
A: ABDUCTS thumb (helps oppose it)
N: median nerve

27
Q

Supinator

A

O: humerus (Lateral epicondyle) and Proximal Ulna
I: proximal radius
A: supinate forearm
N: radial nerve

28
Q

Pronator quadratus

A

O: distal ulna
I: distal radius
A: pronates forearm
N: median nerve

29
Q

Pronator teres

A

O: medial epicondoyle of humerus
I: radius
A: pronates forearm
N: median Nerve

30
Q

Extensor Indicis

A

O: ulna
I: index finger
A: extends 2ns digit
N: radial nerve

31
Q

Extensor Pollicis Longus

A

O: posterior ulna
I: distal phalanx of thumb
A: extends thumb
N: radial nerve

32
Q

Extensor pollicis brevis

A

O: post. Radius
I: proximal phalanx of thumb
A: extends thumb
N: radial nerve

33
Q

Abductor pollicis longus

A

O: posterior radius and ulna
I:base of thumb
A: abducts and extends thumb
N: radial nerve

34
Q

Extensor Carpi Ulnaris

A

O: lateral epicondyle
I: posterior base of 5th metacarpal
A: (ulnar deviation)
N: radial

35
Q

Extensor digit Minimi

A

O: lateral epicondyle
I: posterior phalanx of little finger
A: extends 5th digit
N: radial nerve

36
Q

Extensor digitorum

A

O: lateral epicondyle
I: posterior phalanges of digits 2-5
A: extends digits 2-5
N: radial nerve

37
Q

Extensor Carpi Radialis Brevis

A

O: lateral epicondyle of humerus
I: posterior 3rd metacarpal
A: radial deviation
N: radial

38
Q

Extensor carpi radialis longus

A

O: distal humerus
I: posterior of 2nd metacarpal
A: radial deviation
N: radial

39
Q

Brachioradialis

A

O: humerus
I: radius
A: pronator and supinator
N: radial nerve

40
Q

Flexor digitorum profundus

A

O: ulna
I: anterior digits of 2-5
A: flexes fingers and and flexion of the hand
N: median AND ulnar nerve

41
Q

Flexor pollicis longus

A

O: radius
I: distal phalanx of thumb
A: flexes thumb
N: median nerve

42
Q

Flexor digitorum superficialis

A

O: medial epicondyle of humerus
I: anterior phalanges of digits 2-5
A: flexes fingers and hand at the wrist
N: median nerve

43
Q

Flexor Carpi Ulnaris

A

O: Humeral head- medial epicondyle
Ulnar head- olecranon and posterior border of ulna
I: anterior carpals (pisiform, hamate) and base of 5th metacarpal
A: ulnar deviation
N: ulnar nerve

44
Q

Palmaris Longus

A

O: medial epicondyle
I: flexor retinaculum and palmar aponeurosis
A: flexes hand at wrist and tightens palmar aponeurosis
N: median nerve

45
Q

Flexor Carpi Radialis

A

O: median epicondyle
I: anterior hand and 2nd and 3rd metacarpals
A: Radial deviation
N: median nerve

46
Q

Anoconeus

A

O: lateral epicondyle
I: olecarnon
A: assists in extending the forearm (stabilizing)
N: radial nerve

47
Q

Triceps Brachii

A 
O: long head- infraglenoid tubercle 
Lateral head and medial head- humerus 
I: olecranon of ulna 
A: extends foreman and extends arm at shoulder 
N: radial
48
Q

Coracobrachialis

A

O: coracoid
I: humerus
A: flexes and adducts arm at shoulder joint
N: musculocutaneous nerve

49
Q

Brachialis

A

O: humerus
I: ulnar tuberosity and coronoid process of ulna
A: flexes forearm at elbow joint
N: musculotaneous nerve

50
Q

Biceps Brachii

A

O: long head- Supraglenoid tubercle of scapula
Short head- coracoid process
I: tuberosity of radius and bici-Italia aponeurosis
A: flexes are at elbow, supinator forearm, and flexes arm at shoulder joint
N: musculocutaneous

IPAP 21-2 Freshman Semester (22 decks)

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