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Anatomy Lab > Muscles Origins, Insertions, And Actions > Flashcards

Muscles Origins, Insertions, And Actions Flashcards

1
Q

Occipialis

A

Occipital bone
Aponeurosis
Pulls scalp backwards

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2
Q

Orbicularis oris

A

Maxilla
On the lips
Closes lips

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3
Q

Orbicularis oculi

A

Maxilla
Eyelids
Blinking and squinting

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4
Q

Zygomaticus

A

Zygomatic
Orbicularis oris
Smiling

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5
Q

Platysma

A

Clavicle
Mandible
Lowers lip

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6
Q

Masseter

A

Zygomatic
Mandible
Raises mandible (chewing)

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7
Q

Temporalis

A

Temporal bone
Mandible
Raises mandible (chewing)

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8
Q

Buccinator

A

Maxilla, mandible
Orbiclaris oris
Compresses cheek to hold food when chewing

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9
Q

Pectoralis major

A

Clavicle, sternum
Humorous
Adducts and flexes humorous

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10
Q

External intercostals

A

Upper rib
Lower rib
Inspiration

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11
Q

Internal intercostals

A

Upper rib
Lower rib
Expiration

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12
Q

Trapezius

A

Occipital bone
Scapula
Adducts scapula and draws head back

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13
Q

Deltoid

A

Clavicle, acromion and scapula
Deltoid tuberosity
Abducts and flexes arm

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14
Q

Latissimus dorsi

A

Sacrum
Humorous
Adducts and extends arm

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15
Q

Biceps brachii

A

Scapula
Radius
Flexes and supinates forearm

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16
Q

External oblique

A

5th to 12th rib
Liliac crest
Compresses abdomen

17
Q

Rectus abdominis

A

Pubic crest
Xiphoid process
Compresses abdomen

18
Q

Gluteus Maximus

A

Lleum and sacrum
Femur
Extends and addicts thigh

19
Q

Hamstrings

A

Ischium and femur
Tibia and fibula
Flexes and rotates thigh

20
Q

Quadriceps femoris

A

Ischium, femur, and linen aspera
Common tendon to tibia
Extends leg

21
Q

Gastrocnemius

A

Femur
Tendon of calcaneus
Plantar flexes foot

22
Q

Tibialis anterior

A

Tibia
Tarsal and 1st metatarsal
Dorsiflexes and inverts foot

23
Q

Frontalis

A

Aponeurosis
Eyebrows
Wrinkles forehead or raises eyebrows

Anatomy Lab (2 decks)

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