Muscles
The bone and muscle system, or musculoskeletal system, is comprised of more than 600 bones and 205 skeletal muscles. Combining joints, ligaments, tendons and connective tissue, this system ensures the body's structural support. Maintaining sufficient muscle mass is central to healthy living and aging as this supports mobility, strength, robustness and adaptability. All other bodily systems remain optimal as a result of training the musculoskeletal system, from hormone production and circulation to resistance to stress.
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Different types of muscles
A muscle is a tissue structure comprised of cells that have the ability to relax and contract, making movement possible. There are three types of muscle tissue: striated muscle tissue, smooth muscle tissue and heart muscle tissue. The majority of our muscles consist of striated muscle, so named because of the striped pattern formed by myofibrils, the functional units of muscle protein. This type of tissue is found in skeletal muscles attached to the bones by tendons. Skeletal muscles are under conscious control; during intensive activity, these muscle cells eventually become exhausted.
Smooth muscles are found in the walls of blood vessels, airways and the digestive tract, and are responsible for transporting blood, air and food. These muscles cannot be consciously controlled, but respond to stimuli from the nervous system or have their own pacemaker cells. Finally, the heart has its very own type of muscle tissue. You cannot consciously control heart muscle tissue either, though it is also striated.
Healthy, supple muscles
Maintaining healthy, supple muscles and building muscle and a healthy diet go hand in hand. Protein, magnesium, calcium and vitamin D support the proper functioning of the muscles.