Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
52 Cards in this Set
- Front
- Back
By location of the muscle’s origin and insertion |
Ex. Sterno (on the sternum) |
|
By shape of the muscle |
Ex. Deltoid (triangular) |
|
By action of the muscle |
Ex. Flexor and extensor (flexes or extends a bone) |
|
Frontalis |
Raises eyebrows |
|
Closes eyes, squints, blinks, winks |
Orbicularis oculi |
|
Orbicularis oris |
Closes mouth and protrudes the lips |
|
Buccinator |
Flattens the cheek, chews |
|
Zygomaticus |
Raises corners of the mouth |
|
Masseter |
Closes the jaw and elevates mandible |
|
Temporalis |
Synergist of the masseter, closes jaw |
|
Pulls the corners of the mouth inferiorly |
Platysma |
|
Flexes the neck, rotates the head |
Sternocleidomastoid |
|
Adducts and flexes the humerus |
Pectoralis major |
|
Raise rib cage during inhalation |
External intercostals |
|
Depress the rib cage to move air out of the lungs when you exhale forcibly |
Internal intercostals |
|
Flexes vertebral column and compresses abdominal contents |
Rectus abdominis |
|
Flex vertebral column; rotate trunk and bend it laterally |
External and internal obliques |
|
Compresses abdominal contents |
Transverse abdominis |
|
Elevates, depresses, adducts, and stabilizes the scapula |
Trapezius |
|
Extends and adducts the humerus |
Latissimus dorsi |
|
Backs extension |
Erector spinae |
|
Flexes the spine laterally |
Quadratus lumborum |
|
Arm abduction |
Deltoid |
|
Supinates forearm, flexes elbow |
Biceps brachii |
|
Elbow flexion |
Brachialis |
|
Weak muscle |
Brachioradialis |
|
Elbow extension |
Triceps brachii |
|
Hip extension |
Gluteus Maximus |
|
Hip abduction, steadies pelvis when walking |
Gluteus medius |
|
Hip flexion, keeps the upper body from falling backward when standing erect |
Iliopsoas |
|
Adducts the thighs |
Adductor muscles |
|
Thigh extension and knee flexion |
Hamstring group |
|
Ex of hamstring group |
Biceps femoris Semitendinosus Semimembranosus |
|
Flexes the thigh |
Sartorius |
|
Extends the knee |
Quadriceps group |
|
Ex. Of Quadriceps group |
Rectus femoris Vastus muscles |
|
Dorsiflexion and foot inversion |
Tibialis anterior |
|
Toe extension and dorsiflexion of the foot |
Extensor digitorium Longus |
|
Plantar flexion, everts the foot |
Fibularis muscles |
|
Plantar flexion |
Soleus |
|
Three basic muscle types |
Skeletal Cardiac Smooth |
|
Contraction of muscles is due to the movement of _______ |
Microfilaments |
|
Prefixes myo and mys refer to ______ |
Muscle |
|
Prefix sarco refers to ____ |
Flesh |
|
Cells are ______ |
Multinucleate |
|
Have visible banding |
Striated |
|
Subject to conscious control |
Voluntary |
|
Cells are surrounded and bundled by _________ |
Connective tissue |
|
Encloses a single muscle fiber |
Endomysium |
|
Wraps around a fascicle (bundle) of muscle fibers |
Perimysium |
|
Covers the entire skeletal muscle |
Epimysium |
|
On the outside of the epimysium |
Fascia |