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NPTE > UE Muscles > Flashcards

UE Muscles Flashcards

Origin/Insertion Action Innervation

1
Q

Pectoralis Major Origin & Insertion

A

Origin:
Medial half clavicle
Manubrium
Sternum body
1-7 rib cartilage

Insertion:
Humerus greater tubercle

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2
Q

Pectoralis Major Function & Innervation

A

Function:
Shoulder flexion
Shoulder medial/internal rotation
Shoulder adduction
Scapular protraction
Scapular depression

Innervation:
Lateral pectoral n.

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3
Q

Pectoralis Minor Origin & Insertion

A

Origin:
Ribs 2-5

Insertion:
Coracoid process medial border

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4
Q

Pectoralis Minor Function & Innervation

A

Function:
Scapular downward rotation
Scapular protraction
Scapular depression

Innervation:
Medial pectoral n.

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5
Q

Serratus Anterior Origin & Insertion

A

Origin:
Ribs 1-8

Insertion:
Scapula costal surface medial border

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6
Q

Serratus Anterior Function & Innervation

A

Function:
Scapular upward rotation
Scapular protraction
Scapular depression

Innervation:
Long Thoracic n.

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7
Q

Trapezius Origin & Insertion

A

Origin:
External occipital protuberance
Superior nuchal line
Ligamentum nuchae
Spinous processes
Supraspinous liggs C7-T12

Insertion:
Upper- Clavicle lateral 1/3
Middle- Acromion and Scapula upper lip
Lower- Scapula Spine

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8
Q

Trapezius Function & Innervation

A

Function:
Upper- Scapular elevation; Scapular upward rotation
Middle- Scapular retraction
Lower- Scapular depression; Scapular upward rotation

Innervation:
Cranial n XI (Accessory n.)

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9
Q

Rhomboid Major & Minor Origin & Insertion

A

Origin:
Ligamentous nuchae
Spinous processes C7-T5

Insertion:
Scapula medial border

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10
Q

Rhomboid Major & Minor Function & Innervation

A

Function:
Shoulder adduction
Scapular elevation
Scapular downward rotation

Innervation:
Dorsal scapular n.

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11
Q

Levator Scapulae Origin & Insertion

A

Origin:
Transverse process C1-C4

Insertion:
Scapula medial border between superior angle and root of spine

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12
Q

Levator Scapulae Function & Innervation

A

Function:
Scapular elevation
Scapular downward rotation

Innervation:
Ventral rami of spinal nerves C3-C4
Dorsal scapular n.

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13
Q

Sternocleidomastoid Origin & Insertion

A

Origin:
Manubrium
Clavicle medial portion

Insertion:
Mastoid process (temporal bone)

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14
Q

Sternocleidomastoid Function & Innervation

A

Function:
Same side flexion
Ipsilateral side rotation

Innervation:
Cranial n XI (Accessory n.)

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15
Q

Latissimus Dorsi Origin & Insertion

A

Origin:
Spinous processes of T7-T12
Lumbar and sacral fascia
Inferior angle of scapula

Insertion:
Humerus intertubercular groove

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16
Q

Latissimus Dorsi Function & Innervation

A

Function:
Shoulder medial/internal rotation
Shoulder adduction
Shoulder extension

Innervation:
Thoracodorsal n.

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17
Q

Deltoid Origin & Insertion

A

Origin:
Anterior- Clavicle lateral end
Middle- Acromion
Posterior- Scapula spine

Insertion:
Humerus deltoid tuberosity

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18
Q

Deltoid Function & Innervation

A

Function:
Shoulder abduction
Anterior- Shoulder flexion
Posterior- Shoulder extension

Innervation:
Axillary n.

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19
Q

Teres Major Origin & Insertion

A

Origin:
Scapula inferior angle

Insertion:
Humerus lesser tubercle crest

20
Q

Teres Major Function & Innervation

A

Function:
Shoulder medial/internal rotation
Shoulder extension
Shoulder adduction

Innvervation:
Lower subscapular n.

21
Q

Coracobrachialis Origin & Insertion

A

Origin:
Scapula coracoid process

Insertion:
Humerus medial aspect of middle shaft

22
Q

Coracobrachialis Function & Innervation

A

Function:
Elbow flexion

Innervation:
Musculocutaneous n.

23
Q

Subscapularis Origin & Insertion

A

Origin:
Scapula subscapular fossa

Insertion:
Humerus lesser tubercle

24
Q

Subscapularis Function & Innervation

A

Function:
Shoulder medial/internal rotation
Shoulder adduction

Innervation:
Upper subscapular n.
Lower subscapular n.

25
Q

Supraspinatus Origin & Insertion

A

Origin:
Scapula supraspinatus fossa

Insertion:
Humerus upper facet of greater tubercle

26
Q

Supraspinatus Function & Innervation

A

Function:
Shoulder abduction (0-15 degrees)

Innervation:
Suprascapular n.

27
Q

Infraspinatus Origin & Insertion

A

Origin:
Scapula infraspinatus fossa

Insertion:
Humerus middle facet of greater tubercle

28
Q

Infraspinatus Function & Innervation

A

Function:
Shoulder lateral/internal rotation

Innervation:
Suprascapular n.

29
Q

Teres Minor Origin & Insertion

A

Origin:
Scapula lateral border

Insertion:
Humerus lower facet of greater tubercle

30
Q

Teres Minor Function & Innervation

A

Function:
Shoulder lateral/external rotation

Innervation:
Axillary n.

31
Q

Long Head Biceps Origin & Insertion

A

Origin:
Scapula supraglenoid tubercle

Insertion:
Radius bicipital tuberosity

32
Q

Long Head Biceps Function & Innervation

A

Function:
Elbow extension
Shoulder extension

Innervation:
Musculocutaneous n.

33
Q

Short Head Biceps Origin & Insertion

A

Origin:
Scapula coracoid process

Insertion:
Radius bicipital tuberosity

34
Q

Short Head Biceps Function & Innervation

A

Function:
Elbow flexion
Supination
Shoulder flexion

Innervation:
Musculocutaneous n.

35
Q

Brachialis Origin & Insertion

A

Origin:
Humerus distal aspect of anterior surface

Insertion:
Proximal ulna coronoid process and tuberosity

36
Q

Brachialis Function & Innervation

A

Function:
Elbow flexion

Innervation:
Musculocutaneous n.

37
Q

Lateral Head Triceps Origin & Insertion

A

Origin:
Posterior humerus
Superior and lateral to radial groove

Insertion:
Ulna olecranon process

38
Q

Long Head Triceps Origin & Insertion

A

Origin:
Scapula infraglenoid tubercle

Insertion:
Ulna olecranon process

38
Q

Lateral Head Triceps Function & Innervation

A

Function:
Elbow extension
Shoulder extension

Innervation:
Radial n.

39
Q

Long Head Triceps Function & Innervation

A

Function:
Elbow extension
Shoulder extension

Innervation:
Radial n.

40
Q

Medial Head Triceps Origin & Insertion

A

Origin:
Posterior humerus
Inferior and medial to radial groove

Insertion:
Ulna olecranon process

41
Q

Medial Head Triceps Function & Innervation

A

Function:
Elbow extension
Shoulder extension

Innervation:
Radial n.

42
Q

Brachioradialis Origin & Insertion

A

Origin:
Humerus upper 2/3 lateral supracondylar ridge

Insertion:
Distal radius near styloid process

43
Q

Brachioradialis Function & Innervation

A

Function:
Elbow flexion (especially mid-prone position)

Innervation:
Radial n.

44
Q

Anconeus Origin & Insertion

A

Origin:
Humerus posterior side of lateral epicondyle

Insertion:
Between olecranon process and proximal surface of posterior ulna

45
Q

Anconeus Origin & Insertion

A

Origin:
Elbow extension (weak)

Innervation:
Radial n.

NPTE (7 decks)

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