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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
Opponens Pollicis
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
Abductor Pollicis Brevis
O: flexor retinaculum, scaphoid, and trapezium I: Lateral side of proximal phalanx of thumb A: ABDUCTS thumb (helps oppose it) N: median nerve
27
Supinator
O: humerus (Lateral epicondyle) and Proximal Ulna I: proximal radius A: supinate forearm N: radial nerve
28
Pronator quadratus
O: distal ulna I: distal radius A: pronates forearm N: median nerve
29
Pronator teres
O: medial epicondoyle of humerus I: radius A: pronates forearm N: median Nerve
30
Extensor Indicis
O: ulna I: index finger A: extends 2ns digit N: radial nerve
31
Extensor Pollicis Longus
O: posterior ulna I: distal phalanx of thumb A: extends thumb N: radial nerve
32
Extensor pollicis brevis
O: post. Radius I: proximal phalanx of thumb A: extends thumb N: radial nerve
33
Abductor pollicis longus
O: posterior radius and ulna I:base of thumb A: abducts and extends thumb N: radial nerve
34
Extensor Carpi Ulnaris
O: lateral epicondyle I: posterior base of 5th metacarpal A: (ulnar deviation) N: radial
35
Extensor digit Minimi
O: lateral epicondyle I: posterior phalanx of little finger A: extends 5th digit N: radial nerve
36
Extensor digitorum
O: lateral epicondyle I: posterior phalanges of digits 2-5 A: extends digits 2-5 N: radial nerve
37
Extensor Carpi Radialis Brevis
O: lateral epicondyle of humerus I: posterior 3rd metacarpal A: radial deviation N: radial
38
Extensor carpi radialis longus
O: distal humerus I: posterior of 2nd metacarpal A: radial deviation N: radial
39
Brachioradialis
O: humerus I: radius A: pronator and supinator N: radial nerve
40
Flexor digitorum profundus
O: ulna I: anterior digits of 2-5 A: flexes fingers and and flexion of the hand N: median AND ulnar nerve
41
Flexor pollicis longus
O: radius I: distal phalanx of thumb A: flexes thumb N: median nerve
42
Flexor digitorum superficialis
O: medial epicondyle of humerus I: anterior phalanges of digits 2-5 A: flexes fingers and hand at the wrist N: median nerve
43
Flexor Carpi Ulnaris
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
Palmaris Longus
O: medial epicondyle I: flexor retinaculum and palmar aponeurosis A: flexes hand at wrist and tightens palmar aponeurosis N: median nerve
45
Flexor Carpi Radialis
O: median epicondyle I: anterior hand and 2nd and 3rd metacarpals A: Radial deviation N: median nerve
46
Anoconeus
O: lateral epicondyle I: olecarnon A: assists in extending the forearm (stabilizing) N: radial nerve
47
Triceps Brachii
``` 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
Coracobrachialis
O: coracoid I: humerus A: flexes and adducts arm at shoulder joint N: musculocutaneous nerve
49
Brachialis
O: humerus I: ulnar tuberosity and coronoid process of ulna A: flexes forearm at elbow joint N: musculotaneous nerve
50
Biceps Brachii
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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