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Lab Exam 1 > Lab Exam 2 ;Muscles > Flashcards

Lab Exam 2 ;Muscles Flashcards

1
Q

Obicularis oculi

A

Origin:
Insertion
Action: close eye

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2
Q

Obicularis oris

A

Origin:
Insertion:
Action: close mouth

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3
Q

Zygomaticus

A

Origin: zygomatic
Insertion: muscles at mouth
Action: to smile

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4
Q

Buccinator

A

Insertion:
Origin:
Action: whistling

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5
Q

Masseter

A

Origin: zygomatic arch and maxilla
Insertion: mandible
Action: closes jaw

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6
Q

Sternocleidomastoid

A

Origin: Manubrium and clavicle
Insertion: occipital and mastoid process
Action: neck flexion

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7
Q

Pectoralis major

A

Origin: clavicle, sternum, rib cart.
Insertion: Humerous
Action: arm flexion, adduction

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8
Q

Rectus abdominis

A

Action: flexes and rotates vertebral column

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9
Q

External and internal oblique

A

Action: compresses ab wall

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10
Q

Transverse abdominis

A

Action: compresses an contents

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11
Q

External intercostals

A

Elevates rib cage

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12
Q

Internal intercostals

A

Action: Depresses rib cage

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13
Q

Diaphragm

A

Action: intra abdominal pressure

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14
Q

Trapezius

A

Action: head extension

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15
Q

Deltoid

A

Origin: clavicle and scapula
Insertion: deltoid Tuberosity of Humerous
Action: arm abduction

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16
Q

Latissimus dorsi

A

Action: arm extension

17
Q

Biceps brachii

A

Origin: coracoid process of scapula
Insertion: radial tuberosity
Action: elbow flexion

18
Q

Triceps brachii

A

Origin: glenoid fossa and Humerus
Insertion: Olecranon process
Action: forearm extension

19
Q

Gluteus maximus

A

Action: thigh extension

20
Q

Gluteus medius

A

Action: abducts & medially rotates thigh

21
Q

Tensor fasciae latae

A

Action: steadies trunk

22
Q

Biceps femoris
Semitendinosus
Semimembranosus

A

Action: thigh extension, knee flexion

23
Q

Gracilis

A

Adducts thigh, flexes and rotates leg

24
Q

Rectus femoris

A

Origin: iliac spine & acetabulum
Insertion: tibial tuberosity & patella
Action: knee extension & thigh flexion

25
Q

Vastus medialis, intermedialis

A

Action: knee extension

26
Q

Vastus lateralis

A

Extends and stabilizes knee

27
Q

Gastrocnemius

A

Origin: medial and lateral condyles
Insertion: calcaneus
Action: plantar flexion

28
Q

Tibialis anterior

A

Action: dorsiflexion

29
Q

Frontalis

A

No origin, insertion or action

Located on frontal bone

Lab Exam 1 (1 decks)

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