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Human Anatomy > Upper Appendicular - Arm Muscles > Flashcards

Upper Appendicular - Arm Muscles Flashcards

1
Q

Terms used to describe muscles

Brevis

A

Refers to short

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2
Q

Terms used to describe muscles

Longus

A

Refers to long

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3
Q

Terms used to describe muscles

Bi

A

Refers to two

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4
Q

Terms used to describe muscles

Tri

A

Refers to three

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5
Q

Terms used to describe muscles

Carpi

A

Means to grasp

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6
Q

Terms used to describe muscles

Teres

A

Refers to small or cylindrical

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7
Q

Terms used to describe muscles

Pollicis

A

Refers to the pollex

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8
Q

Terms used to describe muscles

Minimi

A

Refers to small

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9
Q

Terms used to describe muscles

Digiti

A

Refers to the digits

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10
Q

Terms used to describe muscles

Retinaculum

A

Latin for “like a halter”

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11
Q

Terms used to describe muscles

Flexor

A

Flexion at a joint

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12
Q

Terms used to describe muscles

Extensor

A

Extension at a joint

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13
Q

Terms used to describe muscles

Pronator

A

Pronation of the antebrachium

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14
Q

Terms used to describe muscles

Supinator

A

Supination of the antebrachium

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15
Q

Anterior Brachial Muscles

Biceps brachii

A

Two origins of this muscle but they merge to form one insertion
-Short head: this is the medial head of the biceps brachii, originates on the coracoid process
-Long head: This is the lateral head of the biceps brachii, originates on the superior rim of the glenoid fossa
-Insertion for both: radial tuberosity

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16
Q

Anterior Brachial Muscles

Brachialis

A

Deep to the biceps brachii

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17
Q

Anterior Brachial Muscles

Coracobrachialis

A

Deep and little medial to the short of the biceps brachii
Origin: coracoid process
Insertion: medial margin of the humerus

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18
Q

Posterior Brachial Muscles

Triceps brachii

A

Three origins of this muscle but they merge to form one insertion
Lateral head: This is the lateral head of the triceps brachii, and it’s origin is the lateral margin of the humerus
Long head: this is medial to the lateral head of the triceps brachii, origin is the inferior rim of the glenoid fossa.
Medial head: This is deep to the lateral and long head of the triceps brachii, origin is the posterior humerus
Ins**ertion: Olecranon process

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19
Q

Anterior Antebrachial Muscles

Palmaris longus

A

Center of the antebrachium with a tendon extending to the palm

20
Q

Anterior Antebrachial Muscles

Flexor digitorum superficialis

A

Deep to the palmaris longus

21
Q

Anterior Antebrachial Muscles

Felxor carpi ulnaris

A

Medial to the palmaris longus

22
Q

Anterior Antebrachial Muscles

Flexor carpi radialis

A

Lateral to the palmaris longus

23
Q

Anterior Antebrachial Muscles

Brachioradialis

A

Lateral to the flexor carpi radialis located on the lateral edge of the radius
Origin: superior to the lateral epicondyle of humerus
Insertion: styloid process of the radius

24
Q

Anterior Antebrachial Muscles

Pronator teres

A

An oblique muscles located in the antecubital region extending from the medial epicondyle of the humerus to the midlateral surface of the radius

25
Q

Anterior Antebrachial Muscles

Pronator quadratus

A

Transverse muscle located near the carpal region between the radius and ulna

26
Q

Anterior Antebrachial Muscles

Flexor retinaculum

not a muscle

A

This is a transverse band of connective tissue surrounding the carpal region on the anterior side, it stabilizes the tendons in the carpal region

27
Q

Posterior Antebrachial Muscles

Extensor digitorum

A

Center of the posterior antebrachium, which extends near the center of the carpal region to the digits, two through five.

28
Q

Posterior Antebrachial Muscles

Extensor carpi ulnaris

A

Medial to the extensor digitorum

29
Q

Posterior Antebrachial Muscles

Extensor digiti minimi

A

Located between the extensor digitorum and the extensor carpi ulnaris

30
Q

Posterior Antebrachial Muscles

Extensor carpi radialis brevis

A

Lateral to the extensor digitorum sitting a bit deep

31
Q

Posterior Antebrachial Muscles

Extensor carpi radialis longus

A

Lateral to the extensor carpi radialis brevis

32
Q

Posterior Antebrachial Muscles

Brachioradialis

A

Lateral to the extensor carpi radialis longus, located on the lateral edge of the radius

33
Q

Posterior Antebrachial Muscles

Anconeus

A

Located in the olecranon area, extending obliquely from the lateral epicondyle of the humerus to the olecranon

34
Q

Posterior Antebrachial Muscles

Supinator

A

Deep to the anconeus extending from the lateral epicondyle of the humerus to an area distal to the radial tuberosity

35
Q

Posterior Antebrachial Muscles

Abductor pollicis longus

A

An oblique muscle that is superior to the extensor pollicis brevis and is found deep and lateral to the extensor digitorum
Insertion: metacarpal I

36
Q

Posterior Antebrachial Muscles

Extensor pollicis brevis

A

An oblique muscle that is inferior to the abductor pollicis longus and is found deep and lateral to the extensor digitorum
Insertion: Proximal phalanx of the pollex

37
Q

Posterior Antebrachial Muscles

Extensor retinaculum

Not a muscle

A

This is a transverse band of connective tissue surrounding the carpal region on the posterior side, it stabilizes the tendons in the carpal region

38
Q

Thenar muscles - Metatarsal I muscles

Abductor pollicis brevis

A

The most lateral muscle of the hand

39
Q

Thenar muscles - Metatarsal I muscles

Flexor pollicis brevis

A

Medial to the abductor pollicis brevis

40
Q

Thenar muscles - Metatarsal I muscles

Opponens pollicis

A

Deep to the abductor pollicis brevis and the flexor pollicis brevis

41
Q

Hypothenar muscles - Metatarsal V muscles

Abductor digiti minimi

A

The most medial muscle of the hand

42
Q

Hypothenar muscles - Metatarsal V muscles

Flexor digiti minimi

A

Lateral to the abductor digiti minimi

43
Q

Hypothenar muscles - Metatarsal V muscles

Opponens digiti minimi

A

Lateral to the flexor digiti minimi

44
Q

Rotator cuff muscles

Supraspinatus

A

Located superior to the spine of the scapula in the supraspinous fossa

45
Q

Rotator cuff muscles

Infraspinatus

A

Located inferior to the spine of the scapula in the infraspinous fossa

46
Q

Rotator cuff muscles

Teres minor

A

Originates on the lateral border of the scapula, inferior to the infraspinatus muscle

47
Q

Rotator cuff muscles

Subscapularis

A

Located in the subscapular fossa of the scapula

Human Anatomy (20 decks)

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