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A&P > Muscles of the upper and lower limbs 1 > Flashcards

Muscles of the upper and lower limbs 1 Flashcards

1
Q

Origin: Ribs 3-5
Action: Depress & protract scapula, elevate ribs

A

Pectoralis minor

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2
Q

Origin: Ribs 1-9
Insertion: Anterior Scapula
Action: Protract & superiorly rotate scapula

A

Serratus Anterior (98)

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3
Q

Action: Elevate & retract scapula
Notes: diamond shaped, behind scapula

A

Trapezius (95-97)

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4
Q

Origin: C1-C4
Insertion: Superior scapula
Action: Elevate scapula

A

Levator scapulae

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5
Q

Origin: C7-T1 vertebrae
Insertion: Medial Scapula
Action: retract scapula
Notes: Smaller of Rhomboid muscle

A

Rhomboid minor

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6
Q

Origin: T2-T5 vertebrae
Insertion: Medial Scapula
Action: retract scapula
Notes: Larger of Rhomboid muscle

A

Rhomboid major

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7
Q

Action: Adduct & flex shoulder
Insertion: humerus
Notes: Superficial

A

Pectoralis Major (100-102)

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8
Q

Action: Adduct and extend shoulder
Notes: back muscle, behind humerus, extension of shoulder joint

A

Teres Major (92)

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9
Q

Action: Adduct & extend shoulder
Insertion: behind humerus
Notes: broad muscle, along thoracic vertebrae

A

Latissimus dorsi ( 93)

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10
Q

Origin: Clavicle, scapula
Insertion: Deltoid tuberosity
Action: Abduct shoulder
Notes: triangle muscle on shoulder, major shoulder abductor, pulls shoulder out

A

Deltoid (36)

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11
Q

Origin: Lateral scapula
Insertion: Greater tubercle
Action: Laterally rotate shoulder
Notes: Small, in front of scapula

A

Teres minor (91)

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12
Q

Origin: Lateral scapula
Insertion: Greater tubercle
Action: Abduct shoulder
Notes: (location) supraspinous fossa, rotate humerus laterally and medially

A

Supraspinatus

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13
Q

Origin: Lateral scapula
Insertion: Greater tubercle
Action: Laterally rotate shoulder
Notes: Laterally extends shoulder joint

A

Infraspinatus (90)

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14
Q

Origin: Anterior scapula
Insertion: Lesser tubercle
Action: Medially rotate shoulder
Notes: “fish fin”, broad muscle

A

Subscapularis

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15
Q

Origin: (short) coracoid process, (long) scapula
Insertion: Radius
Action: Flex elbow
Notes: #11 on arm model, Thumb side

A

Biceps brachii (37, 38)

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16
Q

Action: Flex shoulder
Notes: #15 on the arm model

A

Coracobrachialis

17
Q

Origin: Distal Humerus
Insertion: Ulna
Action: Flex elbow
Notes: #14 on arm model, prime mover of elbow flexion

A

Brachialis (39)

18
Q

Origin: (lat, med) humerus (long) scapula
Insertion: Olecranon
Action: Extend elbow
Notes: #16-18 on arm model, agonist

A

Triceps Brachii (40-41)

19
Q

Action: Pronation
Notes: #22 on arm model

A

Pronator teres (45)

20
Q

Action: Abduct & flex wrist
Notes: radial side, #23 on arm muscle

A

Flexor carpi radialis (46)

21
Q

Action: flex wrist
Notes: #24 on arm model

A

Palmaris longus (47)

22
Q

Action: Adduct & flex wrist
Notes: ulna side ,#25 on arm model

A

Flexor carpi ulnaris (49)

23
Q

Action: Flex fingers
Notes: #26 on arm model

A

Flexor digitorum superficialis (48)

24
Q

Action: Adduct & extend wrist
Notes: #32 on arm model

A

Extensor carpi ulnaris (52)

25
Q

Action: Extend elbow
Notes: #33 on arm model

A

Anconeus (53)

26
Q

Action: Extend little finger (pinky)

A

Extensor digiti minimi (51)

27
Q

Origin: Lateral Humerus
Insertion: Radius
Action: Flex elbow
Notes: #19 on arm model

A

Brachioradialis (42)

28
Q

Action: Abduct & extend wrist

A

Extensor carpi radialis longus (43)

29
Q

Action: Abduct & extend wrist
Notes: #21 on arm model

A

Extensor carpi radialis brevis (44)

30
Q

Action: Extend fingers
Notes: #30 on arm model

A

Extensor digitorum (50)

31
Q

Action: Flex fingers at metacarpophalangeal joints, extend interphalangeal joints
Notes: In between metacarpals

A

Lumbricals

32
Q

Action: Adduct fingers at metacarpophalangeal joints
Notes: palm side

A

Palmar interossei

33
Q

Action: Abduct fingers @ metacarpophalangeal joints
Notes: back side of hand, “jazz hands”

A

Dorsal interossei

34
Q

Action: Flex and Adduct thumbs

A

Flexor pollicis brevis

A&P (5 decks)

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