Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
eastham
| Question | Answer |
|---|---|
| Occipitofrontalis | raises the eyebrows |
| Orbicularis oculi | closes the eyelids and causes “crows feet” wrinkles in the skin at the lateral corners of the eye. |
| Orbicularis oris | puckers the lips. |
| Buccinator | flattens the cheeks. Trumpeter’s muscle. Orbicularis oris and buccinator are the kissing muscles |
| Zygomaticus | smiling muscle. |
| Levator labii superioris | sneering |
| Depressor anguli oris | frowning |
| Mastication | chewing |
| Intrinsic Tongue Muscles | change the shape of the tongue |
| Extrinsic Tongue Muscles | move the tongue. |
| Sternocleidomastoid | lateral neck muscle and prime mover. Rotates and abducts the head |
| Erector spinae | group of muscles on each side of the back. Responsible for keeping the back straight and the body erect. |
| External intercostals | elevate the ribs during inspiration. |
| Internal intercostals | contract during forced expiration |
| Abdominal wall muscles | The muscles of the anterior abdominal wall flex and rotate the vertebral column, compress the abdominal cavity, and hold in the abdominal viscera. |
| Trapezius | rotates scapula |
| Serratus anterior | - pulls scapula anteriorly |
| Pectoralis major | adducts and flexes the arm |
| Latissimus dorsi | medially rotates, adducts, and powerfully extends the arm. “Swimmer muscles” |
| Deltoid | attaches the humerus to the scapula and clavicle, and is the major abductor of the upper limb. |
| Triceps brachii | extends the forearm. Occupies the posterior compartment of the arm. |
| Biceps brachii | flexes the forearm. Occupies the anterior compartment of the arm. |
| Brachialis | flexes forearm |
| Brachioradialis | flexes and supinates the forearm |
| Retinaculum | strong band of fibrous connective tissue that covers the flexor and extensor tendons and holds them in place around the wrist so that they do not “bowstring” during muscle contraction. |
| Flexor carpi | flexes the wrist. |
| Extensor carpi | extends the wrist |
| Flexor digitorum | flexes the fingers. |
| Extensor digitorum | extends the fingers. |
| diaphram | accomplishes quiet breathing |
| flexor carpi | flexws the wrist |
| on each side of the linea alba is what? | rectus abdominus |
| neck muscle | sternocleid omastoid |
| gastrocnemius ans soleus | form calf muscles |
| the sarcomeres isthe basic strucyural an functional unity of what? | muscle |
| trunk muscle | erector spinal |
| trapezius | rotates scapula |
| muscles that word in opposition to each other | antagonists |
| what muscle is located between the metacarpols | interossi |
| a thread like structure that extends from one end ofthe fiber to the other | myofibrils |
| 3 thoraic muscles | xternal intercostal diapham and intercostals |
| sarcomeres join end to end to form what | myofibrils |
| sartorius | flexes the thigh |
| zygo maticus | smiling muscle |
| gleueus maximus | buttocks |
| two tounge muscles | intrinsic and extrinsic |
| nerve cells that carry actions potiential to skeletal muscle fibers | motor neurons |
| enlarge nerve terminal | presyanatic terminal |
| secrete neurotransmitor | acetylcholine |
| charge difference across the membrane | resting membrane potential |
| brief reversal back of the charge | action potiental |
| each branch that connects to the muscle forms what | neuromuscular junctions |
| musce fiber will not respond to stimuelus reaches alevel called? | threshold |
| tetany | muscle remains contracted without relaxing |
| the fasciculis is composed of what single muscle cells? | fibers |
| each muscle fiber is surrounding by what connective tissue sheath | endomysium |
| muscles that work together to accomplish specific movement | synergists |
| pectoralis major | adducts and flexes the arm |
| each zline is an attachment site for what | actin |
| in the center of each sarcomere is another light area called what? | h zone |
| a single motor neuron and all the skeletal muscle fibers it intrevates is called what? | motor unit |
| what is near the center of the cell? | synapse |
| biceps brachii | flexes the forearm |
| deltoid | attaches the humerus to the scaoula and clavicle |
| brachialis | flexes forearm |
| latissimus dorsi | medially rotates, addusts, and powerfull extends the arm |
| serratus anterior | pulls scapula anitierofly |
| extensor carpi | extends the wrist |
| flexor digitorium | flexes the fingers |
| 4 pairs of mastification muscles | 2 pairs of steroids, temporalis, and masseter |
| extrinsic tongue muscles | moves the tongue |
| external inter costals | elevate the ribs during inspiration |
| internal intercostals | contract during forced expiration |
| 2 major kinds of protein fibers | actin myofilament and myosin myofibments |
| 19 hand muscles located within the hand | intrinsic hand muscles |
| extensor digitorium | extends the fingers |
| each skeletal muscles is surronded by what connective tissues sheath | epimysium |
| mastification | chewing |
| depressor angui oris | frowning |
| quad riceps femoris | extends the leg |
Created by:
aadkins23295
Popular Anatomy sets