A rehabilitation counselor's median annual salary is about $34,000, but is it worth the education requirements and training?his faster-than-average growth was due to an increase in the number of people needing rehabilitation services, particularly among the elderly. The BLS reported that most rehabilitation counselors earned about $21,000-$60,000 as of May 2013.
Muscle Structure, Fiber and Cells. Muscular System: Muscle fibers are the cells or basic building block of the muscle. There are a few different types of muscle fiber, each designed for a specific type of muscle activity. Some muscle fibers are good for endurance exercises, other work best for the short bursts of strength exercises. Read on to learn more about muscle structure, and its role in muscle activity.
Elastic fibers (or yellow fibers) are bundles of proteins found in extracellular matrix of connective tissue and produced by fibroblasts and smooth muscle cells in arteries. These fibers can stretch up to 1.5 times their length, and snap back to their original length when relaxed.