The Muscular System Chapter 1 Section 4 Pages:

Objective: Describe the function of muscles and tendons Objective: Analyze how the skeletal and muscular systems work together to coordinate body movement Objective: Identify the three types of muscle tissue and describe Their functions. 2.Voluntary Muscles: Under your control. Responsible for Such actions as smiling, raising your hand, sitting, etc. 3.Skeletal Muscles: Attached to the bones of your skeleton. Provides the force that moves your bones. They are striated, Voluntary, and react quickly as well as tire quickly 1.Involuntary Muscles: Not under your conscious control. Responsible for breathing and digesting food.

4.Tendons: Strong connective tissue that attaches muscles to Bone. 5.Smooth Muscles: Works automatically to control many Actions inside your body. They are INVOLUNTARY. They are NOT striated. They react slowly and tire slowly. 6.Cardiac Muscles: Muscles of the heart. They are INVOLUNTARY, Striated, & Do not get tired 7.Muscle cells can only contract, not extend, skeletal muscles must work in pairs. While one muscle contracts, the other Returns to its original length.

8. Muscle Care: *Exercise – maintain strength and flexibility *Stretching – Before working out (Warm up) Stretch after work out – (Cool Down) *Use Safety Equipment Examples: Pads on joints, back support, Helmets, Good Shoes 9.Muscle Injuries: *Muscle Strain – Pulled muscle *Tendon Strain or Tear *Muscle Cramping