Muscle Notes
Muscle System Over 600 muscles in the human body
Function Movement of body Complementary of skeletal system Pump blood through body Cardiac (heart muscle) Move food through digestive system Control movement of air in and out of lungs
Functions, cont. Complementary or opposing action Muscles shorten to move skeleton (contraction) Muscle groups include a flexor and extensor
Types of Muscles Smooth muscles (involuntary) -movement -digestion -lungs Skeletal muscles (voluntary) -striped or striated -flexor/extensor Cardiac Muscle (heart, Muscle) -pump blood through body -involuntary
Smooth Muscle
Skeletal Muscle
Cardiac Muscle
Problems with Muscle System Lazy eye Muscular Dystrophy -Wasting away of skeletal muscle -replaced by fat
More Issues -Muscle Strain -pulled muscle -tearing or stretching of muscle -Bruise -discolored area under the skin caused by blood leakage due to injury Tendonitis -inflammation of tendon due to over usage Hernia -tearing of abdominal walls which allows the intestines to poke through the muscle walls.