Quiz 2 Flashcards by GOBLIN CORE | Brainscape

Q

3 types of muscle tissue

A

Skeletal, cardiac, and smooth

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Q

Skeletal muscle

A

the most common type, 600 types

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Q

Smooth muscle

A

Lines blood vessels

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Q

Cardiac muscle

A

found in the heart

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Q

Skeletal muscle

A

Connects to two bones, the attachments are called origin and insertion

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Q

Voluntary muscle

A

Skeletal muscle

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Q

Involuntary muscle

A

Cardiac and smooth muscle

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Q

Skeletal and cardiac muscles have…

A

Striations

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Q

The origin is ___ and the insertion is ___

A

Immovable; movable

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Q

A muscles main motion is called

A

Agonist motion

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Q

A muscles relaxed or opposite motion is called

A

Antagonist motion

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Q

Flexion

A

The angle between two bones decreases

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Q

Extension

A

The angle between two bones increases

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Q

Abduction

A

Moving away from the midline

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Q

Adduction

A

Moving towards the midline

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Q

Ball and socket joint flexion

A

Moving forward

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Q

Ball and socket joint extension

A

Moving back

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Q

Elevation

A

To close the mandible

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Q

Depression

A

To open the mandible

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Q

Protraction

A

Pushing the jaw outwards

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Q

Retraction

A

Pulling the jaw inwards

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Q

Rotation

A

Moving a body part in one plane

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Q

Circumduction

A

Made up of four motions: flexion, abduction, extension, and adduction

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Q

Pronation

A

Palm down

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Q

Supination

A

Palm up

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Q

Prone

A

Lying on stomach

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Q

Supine

A

Lying face up

Q

Opposition

A

Thumb to pinky

Q

Inversion

A

Turning the foot toward the midline

Q

Eversion

A

Turning the foot away from the midline

Q

Dorsiflexion

A

Bringing the foot upwards

Q

Plantarflexion

A

Bringing the foot downwards

Q

Buccinator Origin

A

Maxilla and mandible

Q

Buccinator Insertion

A

Orbicularis oris

Q

Buccinator Action

A

Compresses cheeks

Q

Pectoralis Major Origin

A

Clavicle, sternum, and coastal cartilages of the rib

Q

Pectoralis Major Insertion

A

Greater tubercle

Q

Pectoralis Major Action

A

Flexes shoulders, adducts humerus

Q

Trapezius Origin

A

Occipital bone, spinous process of C7, and all thoracic vertebrae

Q

Trapezius Insertion

A

Acromial extremity of clavicle, scapular spine

Q

Trapezius Action

A

Elevates and adducts scapula

Q

Sternocleidomastoid Origin

A

Clavicle

Q

Sternocleiodomastoid Insertion

A

Mastoid process

Q

Sternocleidomastoid Action

A

Together = flex neck, head to shoulder

Q

Masseter Origin

A

Zygomatic arch

Q

Masseter Insertion

A

Mandible

Q

Masseter Action

A

Elevated mandible

Q

Adductor longus Origin

A

Pubis

Q

Adductor longus Insertion

A

Posterior femur

Q

Adductor longus Action

A

Adducts

Q

Biceps femoris Origin

A

Ischial tuberosity, femur

Q

Biceps femoris Insertion

A

Fibular head

Q

Biceps femoris Action

A

Flexes knee, extends hip

Q

Deltoid Origin

A

Acromion and scapular spine

Q

Deltoid Insertion

A

Deltoid tuberosity of the humerus

Q

Deltoid Action

A

Abducts humerus

Q

Triceps brachii Origin

A

Scapula and humerus

Q

Triceps brachii Insertion

A

Olecranon process of the ulna

Q

Triceps brachii Action

A

Extends elbow

Q

Biceps brachii Origin

A

Coracoid process and supra glenoid tubercle

Q

Biceps brachii Inseetion

A

Radial tuberosity

Q

Biceps brachii Action

A

Flexes elbow, supinates hand and wrists

Q

Supinator Origin

A

Lateral epicondyle of humerus, proximal ulna

Q

Supinator Insertion

A

Proximal radius

Q

Supinator Action

A

Supinates forearm