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;
32 Cards in this Set
- Front
- Back
|
Peristalsis |
Circular contractions that push food through digestive tract |
|
|
Atrophy |
loss of muscle due to lack of use |
|
|
Hypertrophy |
Rapid growth of muscle such as the uterus |
|
|
Fatigue |
the inability to contract a muscle due to low ATP |
|
|
Curare |
drug that simulates shape of ACh but blocks contraction of the muscle |
|
|
End of Axon |
Site where vesicles store ACh in Neuron |
|
|
Sodium (Na+) |
Flows into Muscle to begin Action Potential |
|
|
Calcium (2+) |
Flows into Sarcomere from T Tubules to expose Myosin binding sites on the Actin filament |
|
|
Smooth Muscle Description |
Involuntary, No striations |
|
|
Cardiac Muscle Description |
Involuntary, Has Striations |
|
|
Skeletal Muscle Description |
Voluntary, long fibers, Has Striations |
|
|
Fascicle |
a bundle of muscle fibers |
|
|
Myofibril |
a long chain of sarcomeres makes up this portion of a muscle |
|
|
ATP |
required to put the myosin head back in the "cocked" or ready to fire position |
|
|
Prime Mover |
Functional Class of muscle that performs the majority of the work in a movement |
|
|
Antagonist |
Functional Class of muscle that OPPOSES the muscle performing a movement |
|
|
Synergist |
Functional Class of muscle that assists during the movement |
|
|
Fixator |
Functional Class of muscle that stabilizes a joint or helps anchor other muscles |
|
|
Pennate |
Fascicle Arrangement of the rectus femoris |
|
|
Parallel |
Fascicle Arrangement of the biceps brachii |
|
|
Convergent |
Fascicle Arrangement of the pectoralis major |
|
|
Circular |
Fascicle Arrangement of the orbicularis oris |
|
|
Location |
Muscle Naming Criterion used to name Frontalis |
|
|
Shape |
Muscle Naming Criterion used to name Deltoid |
|
|
Location & Relative Size |
Muscle Naming Criteria used to name pectoralis major |
|
|
Direction of Fibers & Location |
Muscle Naming Criteria used to name Rectus Abdominis |
|
|
Number of Origins & Location |
Muscle Naming Criterion used to name Triceps Brachii |
|
|
Action & Relative Size |
Muscle Naming Criteria used to name Abductor Brevis |
|
|
Gasctrocnemius |
Calf Muscle |
|
|
Brachioradialis |
A forearm muscle |
|
|
Semitendinosus |
A hamstring muscle |
|
|
Trapezius |
an upper back muscle |
