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Muscle Action > Muscle Action > Flashcards

Muscle Action Flashcards

1
Q

Depressor Anguli Oris

A

Depresses Corner of Mouth: Major “Frowning Muscle”

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2
Q

Levator Labii Superioris

A

Raises Upper Lip & Flares Nostrils

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3
Q

Levator Anguli Oris

A

“Smiling Muscle”

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4
Q

Mentalis

A

Wrinkles Chin & Protrudes Lower Lip “Pouty Lip”

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5
Q

Platysma

A

Depresses Mandible & Lower Lips

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6
Q

Corrugator Supercilii

A

Draws Eyebrows Together & Forms Vertical Wrinkle

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7
Q

Pterygoid-Medial

A

Closes Lower Jaw & Clenches Teeth

-Synergist of Masseter & Temporalis

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8
Q

Pterygoid-Lateral

A

Protraction of Mandible

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9
Q

Sternocleidomastoid

A

Prime Mover: Neck Flexion & Lateral Neck Flexion

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10
Q

Pectoralis Minor

A

Protracts & Depresses Scapula

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11
Q

Serratus Anterior

A

Prime Mover: Protracts Scapula

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12
Q

Levator Scapulae

A

Elevate Scapula & Rotates Down

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13
Q

Trapezius

A

Extends Head & Elevates Scapula

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14
Q

Latissimus Dorsi

A

Prime Mover: Arm Extension

-Arm adductor

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15
Q

Pectoralis Major

A

Prime Mover: Arm Flexion

-Arm Adductor

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16
Q

Deltoid

A

Prime Mover: Arm Abduction

17
Q

Coracobrachialis

A

Adducts & Flexes Arm

18
Q

Teres Major

A

Adducts Arm
Extends Arm
Medially Rotates Arm

19
Q

Extensor Digitorum

A

Prime Mover: Finger Extension

-Finger Abduction

20
Q

Anconeus

A

Extends Forearm

- Stabilizes Elbow Joint

21
Q

Iliacus

A

Prime Mover: Hip Flexion

22
Q

Psoas Major

A

Prime Mover: Hip Flexion

-Lateral Vertebral Flexion; Posture

23
Q

Sartorius

A

Flexes Thigh
Laterally Rotates Thigh
-Flexes Knee

24
Q

Gluteus Maximus

A

Prime Mover: Hip Extension

  - Laterally Rotates Thigh
  - Antagonist of iliopsoas
25
Q

Gluteus Medius

A

Prime Mover: Hip Abduction

- Medially Rotates Thigh

26
Q

Tensor Fasciae Latae

A

Abducts Thigh

Medially Rotates Thigh

27
Q

Hamstrings

A

Prime Mover: Thigh Extension & Knee Flexion

28
Q

Quadriceps Femoris

A

Prime Mover: Knee Extension & Thigh Flexion

29
Q

Extensor Digitorum Longus

A

Prime Mover: Toe Extension

30
Q

Tibialis Anterior

A

Prime Mover: Dorsiflexion

-Inversion

31
Q

Gastrocnemius

A

Prime Mover: Plantarflexion

-Knee flexion when in Dorsiflex

32
Q

Soleus

A

Prime Mover: PlantarFlexion

33
Q

Fibrous Joints [3]

A

1) Gomphoses: Teeth Roots
2) Suture Lines: Skull Bones
- Synostoses: Complete Fusion of Suture Line
3) Syndesmoses: Bones Connected via Fibrous-Sheeths
- Interosseus Membrane

34
Q

Cartilaginous Joints [2]

A

1) Synchondroses: Joined via Hyaline Cartilage
- Epiphyseal Plate, Rib 1-Sternum Cartilage
2) Symphyses: Fibrocartilage Pad Between Bones
- Intervertebral Discs, Pubic Symphysis

35
Q

Synovial Joints [6]

A

Bone Ends Connected by Synovial-Filled Joint Cavity

Planar/Gliding, Hinge, Pivot, Condyloid, Saddle, Ball-in-Socket

Muscle Action (1 decks)

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