Muscles of the Face Flashcards

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1
Q

What type of muscle tissue ate facial muscles?

A

They are voluntary / striated muscle

We voluntarily control our facial & body muscles to move them.

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2
Q

How to muscles work?

A
Muscles are attached to bone (or skin in the case of facial muscles).
They contract (shorten) and relax (return to their original length) to facilitate movement.
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3
Q

Level 3 EKU:

Name the fibres which enable voluntary muscle to contract & relax.

A

Actin & Myosin

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4
Q

Level 3 Key Terms:

What do the terms ‘origin’ and ‘insertion’ mean?

A

Origin = the non-moving point of attachment
Insertion = the moving point of attachment
Muscle contraction moves the insertion point towards the origin.

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5
Q

What are the properties of muscle tissue?

A

Muscle tissue can CONTRACT
Muscle tissue is EXTENSIBLE - it can be lengthened.
Muscle tissue is ELASTIC- it returns to it’s original length after extension or contraction.
Muscle tissue is RESPONSIVE – it contracts in response to nervous stimulation.

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6
Q

Level 2 Key terms -

Position

Action

A
Position = muscle location
Action = what the muscle does / what movement is made when the muscle contracts
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7
Q

Muscle - triangularis

A
P= Corners of the lower lip extends over the chin
A= Draws down the mouth’s corners
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8
Q

Muscle - Temporalis

A

P= Round and behind ear running down side of face towards jaw

A=Raises and lowers jaw when chewing

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9
Q

Muscle - Frontalis

A

P= Across the forehead

A= Wrinkles the forehead and raises eyebrows creating a surprised expression

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10
Q

Muscle - Zygomatic

A

P= Runs down cheek to corner of mouth

A= Pulls the corners of mouth upwards and sideways

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11
Q

Muscle - Corrugator

A

P= Inner corners of the eyebrows

A= Draws eyebrows together as in frowning

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12
Q

Muscle - Orbicularis Occuli

A

P= Surrounds orbit of the eye

A = Opens & closes the eye (wink & blink)

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13
Q

Muscle - orbicularis oris

A

P = Surrounds the mouth

A = Opens & closes the mouth / speech

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14
Q

Muscle - Buccinator

A

P= Main cheek muscle

A = Compresses cheeks / sucking & blowing

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15
Q

Muscle - Risorius

A

P = Corner of mouth, above buccinator

A= Pulls corners of mouth up and sideways - grinning

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16
Q

Muscle - Masseter

A

P=Runs at an angle down the face from the cheek bone to the jaw

A= Lifts, lowers and closes the jaw aiding mastication by exerting pressure on teeth

17
Q

Muscle - Platysma

A

P= Front and side of the neck, down to collar bones

A= Depresses lower jaw and lip wrinkling skin tissue on neck

18
Q

Muscle - Mentalis

A

P - On the chin

A = Raises the lower lip causing chin to wrinkle

19
Q

muscle - Nasalis

A

P= Covers the front of the nose

A= opens / closes - flares the nostrils

20
Q

Muscle - Procerus

A

P= Covers the bridge of the nose

A= Wrinkles the skin over the bridge of the nose

21
Q

Muscle - Sterno Mastoid

A

P= Either side of the neck

A= Individually rotates the head to one side together pulls the chin onto the chest

22
Q

Muscle - Trapezius

A

P = Across upper back, neck and shoulders

A= Raises the shoulder to the ear. Pulls the head backwards

23
Q

Muscle - Occipitalis

A

P = Back of the Head

A - Moves the scalp

24
Q

Muscle - Deltoid

A

P = Caps the top of the shoulder; is a three headed muscle

A= Brings the arm forward
Takes the arm backwards and sideways

25
Q

Muscle - Pectoralis Major

A

P = Front of the chest

A = Moves the arm away from the side of the body