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Anatomy > Upper Extremity: Origin/Insertion/Action/Innervation > Flashcards

Upper Extremity: Origin/Insertion/Action/Innervation Flashcards

1
Q

Pectoralis major

A

O:Clavicle, Sternum, Upper Ribs, & Tendon of the External Oblique
I:Greater Tuberosity
A:Add & Med. Rot., Flex. & Ext. of humerus
Inn: Med. and Lat. Pectoral n.

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2
Q

Pectoralis Minor

A

O: Upper Ribs
I: Coracoid Process
A: Protraction & Abd. of scapula. Elevates ribs w/ forced inspiration
Inn: Medial Pectoral n.

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3
Q

Subclavius

A

O:First Rib
I:Subclavian Groove
A:Pulls the clavicle med. and acts as a cushion to protect the vessels below the clavicle
Inn:N. to the Subclavius

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4
Q

Trapezius

A

O:Superior nuchel line, Ext. occipital protuberance, ligamentum nuchae, spines of thoracic vertebrae
I:Clavicle, Acromion Process, Spine of the scapula
A:Elevates, stabilizes in anatomical position, and retracts the scapula
Inn:Spinal Accessory

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5
Q

Rhomboid Major

A

O:Spines of Upper Thoracics
I:Vertebral Border
A:Elevates, Retracts, and stabilizes the scapula
Inn:Dorsal Scapular N.

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6
Q

Rhomboid Minor

A

O:Spines of Lower Cervical & T1
I:Vertebral Border
A:Elevates, Retracts, & Stabilizes the scapula
Inn: Dorsal Scapular n.

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7
Q

Levator Scapula

A

O:Transverse Processes of Upper cervical vertebrae
I:Superior Angle
A:Elevates, Retracts and Stabilizes the scapula
Inn:Dorsal Scapular N.

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8
Q

Latissimus Dorsi

A

O:Spines of Lower Thoracic and Lumbar vertebrae, Crest of the ilium, and Thoracodorsal fascia
I: Intertubercular Groove (Lesser Tuberosity)
A:Ext, Add, Int. Rot., & forced inspiration
Inn: Thoracodorsal N.

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9
Q

Serratus Anterior

A

O: Upper Ribs
I: Vertebral Border
A: Protraction & Stabilization
Inn: Long Thoracic

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10
Q

Deltoid

A

O:Clavicle, Acromion Process, & Spine of the Scapula
I: Deltoid Tuberosity
A: Flex, Int. Rot., Abd., Ext., Ext. Rot.
Inn: Axillary N.

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11
Q

Supraspinatus

A

O:Supraspinous fossa
I:Greater Tuberosity
A: Initiates Abd. of humerus, Ext. Rot., & Stabilize GH joint
Inn: Suprascapular N.

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12
Q

Infraspinatus

A

O: Infraspinous fossa
I: Greater Tuberosity
A: Ext. Rot. & Stabilize GH joint
Inn: Suprascapular N.

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13
Q

Subscapularis

A

O: Subscapular Fossa
I: Lesser Tuberosity
A: Int. Rot. & Stabilize GH joint
Inn: Upper and Lower Subscapular N.

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14
Q

Teres Major

A

O: Inf. Angle
I: Lesser Tuberosity
A: Add. humerus, Int. Rot. & Stabilize GH joint
Inn: Lower Subscapular N.

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15
Q

Teres Minor

A

O: Axillary Border
I: Greater Tuberosity
A: Ext. Rot. & Stabilize GH joint
Inn: Axillary N.

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16
Q

Biceps Brachii

A

O: Long-Supraglenoid Tubercle, Short-Coracoid process
I: Radial Tuberosity & Shaft of Ulna
A: Flexion and Supination of forearm
Inn: Musculocutaneous N.

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17
Q

Coracobrachialis

A

O: Coracoid Process
I: Shaft of Humerus
A: Flexion and Add. and stabilization of GH joint
Inn: Musculocutaneous N.

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18
Q

Brachialis

A

O: Shaft of the Humerus
I: Coronoid Process on the ulna
A: Flexion of forearm
Inn: Musculocutaneous N.

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19
Q

Triceps Brachii

A

O: Long-Infraglenoid Tubercle. Med. & Lat.-Shaft of the humerus
I: Olecranon Process
A: Extend the forearm
Inn: Radial N.

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20
Q

Pronator Teres

A

O: Med. Epicondyle and Coronoid Process of the Ulna
I: Pronator ridge on radius
A: Pronation at Sup. radiounlar joint. Flexion at elbow
Inn: Median N.

21
Q

Flexor Carpi Radialis

A

O: Med. Epicondyle
I: 2nd and 3rd met
A: Flexion of the wrist, Abd of hand
Inn: Median N.

22
Q

Palmaris Longus

A

O: Med. Epicondyle
I: Palmar Aponeurosis
A: Flexion of the wrist, Tightens fascia of palm
Inn: Median N.

23
Q

Flexor Carpi Ulnaris

A

O: Med. Epicondyle
I: Pisiform, Hamate, & 5th Met
A: Flexion of the wrist & Add hand
Inn: Ulnar N.

24
Q

Flexor Digitorum Superficialis

A

O: Med. Epicondyle
I: Middle phalanges of digits 2-5
A: Flexion of the wrist and PIP of digits 2-5
Inn: Median N.

25
Q

Flexor Digitorum Profundus

A

O: Shaft of ulna
I: Distal phalanges of digits 2-5
A: Flexion of DIP joints digits 2-5 and flexion of wrist
Inn: Ulnar and Median N.

26
Q

Flexor Pollicis Longus

A

O: Shaft of Radius
I: Distal Phalanx of 1st digit
A: Flexion of IP joint digit 1
Inn: Median N.

27
Q

Pronator Quadratus

A

O: Shaft of Ulna
I: Shaft of Radius
A: Pronation and Stabilization of the superior radioulnar joint
Inn: Median N.

28
Q

Brachioradialis

A

O: Lateral supracondylar ridge
I: Styloid process of the radius
A: Flexion, pronation, & supination of the forearm
Inn: Radial N.

29
Q

Extensor Carpi Radialis Longus

A

O: Lat. Epicondyle
I: 2nd Met
A: Ext. of wrist & Abd. hand
Inn: Radial N.

30
Q

Extensor Carpi Radialis Brevis

A

O: Lat. Epicondyle
I: 3rd Met
A: Ext. of Wrist & Abd. of hand
Inn: Radial N.

31
Q

Extensor Digitorum Maximus

A

O: Lat. Epicondyle
I: Middle phalanges of digits 2-5
A: Ext. digits, wrist, & Abd. digits 2,4,5
Inn: Radial N.

32
Q

Extensor Digiti Minimi

A

O: Lat. Epicondyle
I: Prox. phalynx of digit 5
A: Ext. digit 5
Inn: Radial N.

33
Q

Extensor Carpi Ulnaris

A

O: Lat. Epicondyle
I: 5th met
A: Extend hand and Add hand
Inn: Radial N.

34
Q

Supinator

A

O: Lat. Epicondyle & Supinator Crest of the Ulna
I: Shaft of radius
A: Supinates forearm
Inn: Radial N.

35
Q

Abductor Pollicis Longus

A

O: Shaft of Ulna and Radius
I: 1st Met
A: Abd. digit 1 @ CM joint
Inn: Radial N.

36
Q

Extensor Pollicis Brevis

A

O: Shaft of the Radius
I: Prox. phalynx of 1st digit
A: Ext. digit 1 @ MP joint
Inn: Radial N.

37
Q

Extensor Pollicis Longus

A

O: Shaft of the Ulna
I: Distal Phalanx of digit 1
A: Extends digit 1 @ IP
Inn: Radial N.

38
Q

Extensor Indicis

A

O: Shaft of the Ulna
I: Proximal phalanx of digit 2
A: Extends digit 2 @ MP joint
Inn: Radial N.

39
Q

Anconeus

A

O: Lateral Epicondyle
I: Olecranon process
A: Extends Forearm
Inn: Radial N.

40
Q

Abductor Pollicis Brevis

A

O: Trapezium and Scaphoid
I: Prox. phalanx of digit 1
A: Abd. digit 1 @ MP joint
Inn: Median N.

41
Q

Opponens Pollicis

A

O: Trapezium
I: 1st met
A: Med. Rot. 1st met
Inn: Median N.

42
Q

Flexor Pollicis Brevis

A

O: Trapezium, Trapezoid, & Capitate bones
I: Prox. phalanx of digit 1
A: Flexes digit 1 @ MP joint
Inn: Ulnar and Median N.

43
Q

Adductor Pollicis

A

O: Trapezoid, Capitate, 2nd, 3rd met
I: Prox. phalanx of digit 1
A: Add. digit 1
Inn: Ulnar N.

44
Q

Abductor Digiti Minimi

A

O: Pisiform
I: Prox. phalanx of digit 5
A: Abd. digit 5
Inn: Ulnar N.

45
Q

Flexor Digiti Minimi

A

O: Hamate
I: Proximal phalanx of digit 5
A: Flexes digit 5 @ MP joint
Inn: Ulnar N.

46
Q

Opponens Digiti Minimi

A

O: Hamate
I: 5th met
A: Lat. Rot. 5th met
Inn: Ulnar N.

47
Q

Lumbricales

A

O: Tendons of the flexor digitorum profundus m.
I: Tendons of the extensor digitorum m.
A: Flex MP joints & Ext IP joints
Inn: 1&2 Median, 3&4 Ulnar

48
Q

Dorsal

A

O: 2,3,&4 Mets
I: Prox. phalanx of digits 2,3,4
A: Abd. 2-4, Flex MP, Ext IP
Inn: Ulnar N.

49
Q

Palmar

A

O: 2,3,4,&5 Mets
I: Prox. phalanx of digits 2,4,&5
A: Add. 2,4,&5, Flex MP, & Ext IP
Inn: Ulnar N.

Anatomy (6 decks)

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