HLTH 354 Lecture Notes - Lecture 5: Electromyography, Edrophonium, Antibody
Document Summary
Medical specialty studies a&p of muscular and skeletal systems and uses diagnostic tests, medical and surgical procedures, and drugs to treat muscular and skeletal diseases. 700 skeletal muscles in body, as well as tendons and other structures. Some skeletal muscles=readily visible on surface of body, others located > deeply. All muscles of body/muscles in particular pt. of body=musculature. Aka musculoskeletal system bc w/out muscles, bone wouldn"t be able to move and w/out bones, muscles would lack support. Skeletal: only 1/3 types belongs to muscular system. Voluntary: contract and relax in response to conscious thought. Striated, have multiple nuclei, and show bands of color when under microscope. Of heart pumps blood thru circulatory system. Muscle names: in latin, describe location, shape, size, and action it performs, biceps brachii. Shape: origin of muscle has 2 parts/heads (biceps) Location: radial bone (radi/o-) in arm (brachi/o-: extensor digitorum. Location: temporal bone (temporalis) of cranium: triceps brachii. Shape: origin of muscle has 3 pts. /heads (triceps)
