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Anatomy 2023 > appendicular muscles > Flashcards

appendicular muscles Flashcards

(44 cards)

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1
Q

Action: Abducts shoulder joint
Origin: Acromial end of clavicle
Insertion: Deltoid tuberosity of the humerus

A

Deltoid

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2
Q

Action: elevates scapula

A

Levator scapulae & Rhomboid Major & Rhomboid Minor & Trapezius

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3
Q

Action: stabilizes scapula

A

Serratus Anterior

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4
Q

Action: Flexes arm at shoulder joint
Origin: Acromial end of scapula
Insertion: Deltoid tuberosity of Humerus

A

Pectoralis Major

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5
Q

Action: ABDucts scapula
Origin: Acromial end of scapula
Insertion: Deltoid Tuberosity of Humerus

A

Pectoralis Minor

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6
Q

Action: Abducts arm at shoulder joint
Origin: Supraspinous fossa of scapula
Insertion: greater tubercle of humerus

A

Supraspinatus

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7
Q

Action: Abducts arm at shoulder joint
Origin: Infraspinous fossa of scapula
Insertion: Greater tubercle of humerus

A

Infraspinatus

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8
Q

Action: Extends arm at shoulder joint
Origin: Subscapular fossa of scapula
Insertion: Lesser tubercle of Humerus

A

Teres Major

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9
Q

Action: Laterally rotates arm at shoulder joint
Origin: Lateral Border of scapula
Insertion: Greater tubercle of humerus

A

Teres Minor

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10
Q

Action: Medially rotates arm at shoulder joint
Origin: Subscapular fossa of scapula
Insertion: lesser tubercle of Humerus

A

Subscapularis

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11
Q

Action: Extends forearm at elbow joint
Origin: Infraglenoid tubercle of scapula
Insertion: Olecranon process of Ulna

A

Triceps Brachii Long Head

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12
Q

Action: Extends forearm at elbow joint
Origin: Posterior shaft of Humerus
Insertion: Olecranon process of Ulna

A

Triceps Brachii Lateral Head

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13
Q

Action: Extends forearm at elbow joint
Origin: Posterior Shaft of Humerus
Insertion: Olecranon process of ulna

A

Triceps Brachii Medial Head

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14
Q

Action: Extends forearm at shoulder joint

A

Anconeus

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15
Q

Action: Flexes arm at shoulder joint
Origin: Infraglenoid tubercle of Scapula
Insertion: Radial tuberosity of the Humerus

A

Biceps Brachii Long head

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16
Q

Action: Flexes arm at shoulder joint
Origin: Coracoid process of the scapula
Insertion: Radial Tuberosity of the Humerus

A

Biceps Brachii Short Head

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17
Q

Actions: Adducts arm at the shoulder joint
Origin: Coracoid process of the Scapula
Insertion: Middle Medial Shaft of the Humerus

A

Coracobrachialis

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18
Q

Action: Flexes forearm at the elbow joint
Origin: Distal, anterior surface of the Humerus
Insertion: Coronoid process of Ulna

19
Q

Action: Flexes forearm at elbow joint
Origin: Distal, anterior surface of the Humerus
Insertion: Coronoid process of Ulna

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A

Brachioradialis

20
Q

Action: Pronates forearm at the radioulnar joint

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A

Pronator Teres

21
Q

Action: flexes hand at wrist joint

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A

Flexor Carpi Ulnaris & Flexor Carpi Radialis & Flexor Digitorum Superficialis & Profundus

22
Q

Action: Weakly flexes hand at wrist joint

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A

Palmaris Longus

23
Q

Action: Flexes distal phalanx of thumb at IP joint

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A

Flexor Pollicis Longus

24
Q

Fibrous band of connective tissue that covers the palmar surface of the carpal bones

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A

Flexor Retinaculum

25
Action: Abducts hands at wrist joint
Extensor carpi radialis Longus & Brevis
26
Action: Extends distal & middle Phalanges at MP joint
Extensor Digitorum
27
Action: Extends thumb at MP joint
Extensor Pollicis Longus & Brevis
28
Adducts hand at wrist joint
Extensor Carpi Ulnaris
29
Actions: Weakly extends hand at wrist joint
Abductor Pollicis Longus
30
Action: Supinates forearm at radioulnar joint
Supinator
31
Fibrous band of connective tissue that covers DORSAL surface of carpal bones
Extensor Retinaculum
32
Action: Wrinkles forehead
Frontalis
33
Action: Retracts scalp
Occipitalis
34
Action: Compresses lips *kissing
Orbicularis oris
35
Action: closes eye
Orbicularis oculi
36
Action: Pulls lower lip Inferiorly
Platysma
37
Action: Pulls corners of mout superiorly *smiling
Zygomaticus major
38
Action: Pulls upper lip, exposing upper teeth
Zygomaticus minor
39
Action: holds food between teeth during chewing
Buccinator
40
Action: Origin: Insertion:
Temporalis
41
Action: Elevates mandible at jaw Origin: Parietal bone Insertion: Coronoid process of Mandible
Masseter
42
Action: Laterally flexes head to opposite side Origin: Manubrium of Sternum Insertion: Mastoid Process if temporal bone
Sternocleidomastoid
43
Action: Extends head & neck Origin: Ligamentum Nuchae Insertion: Occipital bone
Splenius Capitis
44
Action: Extends head & neck Origin: Spinous process of thoracic vertebrae Insertion: Transverse processes of cervical vertebrae
Splenius Cervicis

Anatomy 2023 (9 decks)

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