Muscles Practical - Page 1 Flashcards Preview

Anatomy 1 - BI214A > Muscles Practical - Page 1 > Flashcards

Flashcards in Muscles Practical - Page 1 Deck (18)
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1

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

Muscle: Epicranius Frontalis

Action:

1) Draws scalp forward (anteriorly)

2) Raises Eyebrows (which wrinkles forehead)

2

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

Muscle: Epicranius Occipitalis

Action: Draws scalp backwards (posteriorly)

 

3

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

Muscle: Orbicularis Oculi

Action: Sphincter - closes eye (winking, blinking, etc.)

 

4

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

Muscle: Obicularis Oris

Action: Sphincter - closes mouth / purses lips (kissing)

5

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

Muscle: Zygomaticus major

Action: Draws corner of mouth latterally & superiorly (smiling!)

6

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

Muscle: Buccinator

Action: Compresses cheek to masticate (chew), suck, and / or blow (whistle)

7

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

Muscle: Platysma

Action: Draws lower lip down (pouting) & Depresses mandable

8

1) Muscle:

2) Action: 

3) Origin: 

4) Insertion:

1) Muscle: Masseter

2) Action: Elevates Mandible

3) Origin: Maxilla & Zygomatic Arch

4) Insertion: Mandible (ramus)

9

1) Muscle:

2) Action: 

3) Origin: 

4) Insertion:

1) Muscle: Temporalis

2) Action: Elevates Mandible & Retracts Mandible

3) Origin: Temporal bone

4) Insertion: Mandible (ramus & coronoid)

10

1) Muscle:

2) Action: 

3) Origin: 

4) Insertion:

1) Muscle: Sternocleidomastoid

2) Action: Rotates head from side-to-side / Flexes neck (paired)

3) Origin: Mandubrium & clavicle

4) Insertion: Temporal bone (mastoid process)

11

1) Muscle:

2) Action: 

3) Origin: 

4) Insertion:

1) Muscle: Rectus Abdominis

2) Action: Compresses abdomen; Flexes vertebral column

3) Origin: Pubic Crest & Symphysis

4) Insertion:  Xiphoid & costal cartilage ribs 5-7

12

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

1) Muscle: External Oblique

2) Action: 

1) Compresses abdomen

2) Flexes vertibral column

3) Laterally flexes vertebral column

13

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

1) Muscle: Internal Oblique

2) Action: 

1) Compresses abdomen

2) Flexes vertibral column

3) Laterally flexes vertebral column

14

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion: n/a

1) Muscle: Transverse Abdomonis

2) Action: Compresses Abdomen

15

1) Muscle: (bottom arrow)

2) Action: 

3) Origin: n/a

4) Insertion: n/a

1) Muscle: Diaphram

2) Action: Pulls central tendon down to expand thoracic cavity during inspiration

16

1) Muscle: (top arrow)

2) Action: 

3) Origin: n/a

4) Insertion: n/a

1) Muscle: Intercostals

2) Action: Internal (expiration) & External (inspiration)

17

1) Muscle:

2) Action: 

3) Origin: 

4) Insertion:

1) Muscle: Seratus Anterior

2) Action: Abducts scapula (moves forward); Rotation towards chest

3) Origin: Ribs

4) Insertion:  Scapula

18

1) Muscle:

2) Action: 

3) Origin: n/a

4) Insertion:

1) Muscle: Trapezius

2) Action: 

a) Abducts, Elevates, Depresses, or Rotates scapula upward.

b) Extends head.

4) Insertion:  Scapula & Clavicle