<p>AHS-I Muscular System Study Guide</p><p>1. Muscles are responsible for producing most of our body ______.</p><p>2. The thoracic muscle which aids in breathing is the ______.</p><p>3. Steps that occur when a skeletal muscle contracts are impulse, axon, ______, synaptic cleft and ______.</p><p>4. When a muscle is in a constant state of readiness it is said to have muscle ______.</p><p>5. Muscles are able to return to their original shape when they relax. This characteristic is called ______.</p><p>6. Skeletal muscles are ______. (voluntary or involuntary)</p><p>7. Muscles are stimulated repeatedly without rest and lose ability to contract. The muscles have ______. (fatigue or atrophy)</p><p>8. The end of a muscle that attaches to movable bone is called the ______. </p><p>9. Muscle becomes shorter, thicker and causes movement, this characteristic is called ______.</p><p>10.Cardiac muscle forms the walls of the ______.</p><p>11.Major muscle that lies over the upper ribs is called the ______.</p><p>12.Three muscles that are found in the leg are g______, </p><p> h ______and q ______.</p><p>13.The hamstrings are found in the ______of the body. </p><p>14. Three muscles that are found in the arm are b______radials, t______, and b______.</p><p>15. The main muscle of the upper back is the ______.</p><p>1 16.Muscle found in the neck ______.</p><p>17.Main muscle of the lower back is called the ______.</p><p>18. Muscle that abducts the upper arm at the shoulder joint is called the ______.</p><p>19. A special circular muscle found in the openings between the esophagus and stomach ______.</p><p>20. Also known as the calf muscle ______.</p><p>21. Muscles hurt ______.</p><p>22. First thing to do for a strain is to apply ______.</p><p>23.To prevent muscle atrophy after a fracture ______the leg muscles.</p><p>24.IM injection given in the arm in the ______.</p><p>25.Inflammation of fluid filled sac that covers and lubricates muscles in the joints ______.</p><p>26.Severs calf pain ______.</p><p>27.Muscles become weak and flaccid ______.</p><p>28.Complains of pain in front of lower leg after running ______.</p><p>29.Tear in a muscle does not bleed very much inside the muscle but is painful and has some inflammation ______.</p><p>30.Overuse of muscles in the chest to aid in breathing ______.</p><p>2</p>