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90 Cards in this Set

  • Front
  • Back

Orbicularis oculi

Action: Close eye


Motor innervation: Facial nerve

Orbicularis oris

Action: Purse mouth


Motor innervation: Facial nerve

Frontalis

Action: Raise eyebrows


Motor innervation: Facial nerve

Zygomaticus major

Action: Elevates corner of mouth


Motor innervation: Facial nerve

Masseter

Action: Elevates mandible


Motor innervation: Mandibular branch of Trigeminal nerve

Temporalis

Action: Elevates mandible


Motor innervation: Mandibular branch of trigeminal nerve

Platysma

Action: Tense neck


Motor innervation: Facial nerve

Sternocleidomastoid

Action if bilateral contraction: neck flexion


Action if unilateral contraction: contralateral neck rotation


Motor innervation: accessory nerve

Digastric

Action: Depresses mandible


Motor innervation: Facial nerve and mandibular branch of trigeminal nerve

Mylohyoid

Action: Elevates hyoid during swallowing

Sternohyoid

Action: Depresses hyoid during swallowing

Omohyoid

Action: Depresses hyoid during swallowing

Deltoid

Action of anterior fibers: Flex and medially rotate shoulder


Action of middle fibers: Abducts shoulder


Action of posterior fibers: Extends and laterally rotates shoulder


Motor innervation: Axillary nerve

Coracobrachialis

Action: Adduct and flex shoulder


Motor innervation: Musculocutaneous nerve

Biceps brachii

Action: Flex elbow and supinate forearm


Action of long head: Flex shoulder


Motor innervation: Musculocutaneous nerve

Brachialis

Action: Flex elbow


Motor innervation: Musculocutaneous nerve

Triceps brachii

Action: Extend elbow


Action of long head: Extend and adduct shoulder


Motor innervation: Radial nerve

Pronator Teres

Action: Pronate forearm


Motor innervation: Median nerve

Flexor carpi radialis

Action: Flex wrist and abduct hand


Motor innervation: Median nerve

Palmaris longus

Action: Flex wrist


Motor innervation: Median nerve

Flexor carpi ulnaris

Action: Flex wrist and adduct hand


Motor innervation: Ulnar nerve

Flexor digitorum superficialis

Action: Flex MCP & PIP joints of digits II - V


Motor Innervation: Median nerve

Flexor digitorum profundus

Action: Flex MCP, PIP & DIP joints of digits II - V


Motor innervation: Median nerve

Flexor pollicis longus

Action: Flex MCP & IP joints of pollex


Motor innervation: Median nerve

Brachioradialis

Action: Flex elbow


Motor innervation: Radial nerve

Extensor carpi radialis longus

Action: Extend wrist abduct hand


Motor innervation: Radial nerve

Extensor carpi radialis brevis

Action: Extend wrist and abduct hand


Motor innervation: Radial nerve

Extensor digitorum

Action: Extend MCP, PIP & DIP joints of digits II - V


Motor innervation: Radial nerve

Extensor carpi ulnaris

Action: Extend wrist and adduct hand


Motor innervation: radial nerve

Median nerve

Sensory function: Sensation to anterior skin of lateral 3.5 digits

Ulnar nerve

Sensory function: Sensation to anterior & posterior skin of medial 1.5 digits

Radial nerve

Sensory function: Sensation to posterior skin of arm, forearm and lateral 3.5 digits

Sternocleidomastoid

Action if bilateral contraction: Neck flexion


Action if unilateral contraction: contralateral neck rotation


Motor innervation: Accessory nerve

Anterior scalene

Action: Elevates rib 1

Middle scalene

Action: Elevates rib 1

Posterior scalene

Action: Elevates rib 2

Pectoralis major

Action: Flex shoulder and adduct shoulder

Pectoralis minor

Action: Elevate ribs 3 - 5 and protract scapula

Serratus anterior

Action: Protract scapula

Subscapularis

Action: Medially rotate shoulder

Supraspinatus

Action: Abduct shoulder

Infraspinatus

Action: Adduct shoulder and laterally rotate shoulder

Teres minor

Action: Adduct shoulder and laterally rotate shoulder

Teres major

Action: Adduct shoulder and medially rotate shoulder

External intercostal

Action: elevate ribs


Motor innervation: intercostal nerve

Internal intercostal

Action: Depress ribs


Motor innervation: Intercostal nerve

Diaphragm

Action: Compress abdominopelvic cavity for inhalation


Motor innervation: Phrenic nerve

Origin

The less movable of the two parts of attachment of a muscle

Insertion

The usually distal and more movable attachment of a muscle

Tendon

Cord of dense regular connective tissue that connects muscle to bone

Flexion

Movement that decreases the angle between the articulating bones

Extension

Movement that increases the articulating angle

Elevation

Superior movement of a body part

Depression

Downward or inward displacement of a body part

Rotation

Movement of a part around its axis

Medial Rotation

Movement of a part around its axis toward the midline

Lateral Rotation

Movement of a part around its axis away from the midline

Ipsilateral

On the same side

Contralateral

Relating to the opposite side

Synergist

Structure, muscle, agent, or process that aids the action of another

Antagonist

Muscle that opposes or resists the action of another

Brachial

Of the arm/arm

Cervical

Neck

Cephalic

By the head

Cardi-

Heart

Epi

Upon, on

Mediastinum

area of the thoracic cavity located between the two lungs

Myo-

Muscle

Parietal

Relating to the wall of any cavity

Pulm-

Pertaining to the lungs

Viscera / Visceral

Of the internal organs/internal organ

CN V Trigeminal Nerve

V1 = Ophthalmic nerve: sensation to face in region of the forehead


V2 = Maxillary nerve: sensation to face in region of maxilla


V3 = mandibular nerve: sensation to face in region of mandible AND innervates the muscles of mastication

CN VII Facial Nerve

Taste to anterior 2/3 of tongue


Innervates muscles of facial expression

CN IX Glossopharyngeal nerve

Taste to posterior 1/3 of tongue


Innervates muscles of swallowing

CN X Vagus nerve

Swallowing and speaking


Parasympathetic: cardiac muscle


Motor = speaking


Parasympathetic motor neurons = heart, gastrointestinal tract

CN XI Accessory Nerve

Innervates the sternocleidomastoid muscle and the trapezius muscle


Motor to sternocleidomastoid

Abduction

Movement of a body part away from the median plane of the body

Adduction

Medial movement of a body part toward the midline

Aponeurosis

Fibrous sheet or flat, expanded tendon

Flexion

Movement that decreases the angle between the articulating bones

Protraction

Movement of a body part anteriorly in a horizontal plane

Retraction

Posteriorly directed movement of a body part

Pronation

Rotational movement of the forearm causing the hand to be directed posteriorly or or inferiorly

Supination

Rotation of the forearm such that the hand faces anteriorly or superiorly

Antecubital (Cubital region)

Region anterior to the elbow

Axilla/ Axillary

Armpit

Palma / palmar

Palm of the hand

Carpus / carpal / carpi-

Wrist

Thoracic

Chest or thorax

Pulmonary

Relating to the lung