KIN 2500 Study Guide - Midterm Guide: T-Tubule, Muscle Fascicle, Skeletal Muscle
18 Oct 2016
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Muscular tissue makes up 40-50% of total body mass (varies from person to person) Smooth involuntary not striated no yes yes found in walls of blood vessels. Functions of muscular tissue: producing body movements, stabilizing body positions (posture, stabilizes joints, storing & moving substances (blood, lymph, urine, etc. ) Through sphincters: producing heat, byproduct of friction (thermogenesis) Clinical connection tenosynovitis aka tendonitis inflammation of the tendons: happens in wrists, fingers, ankles, etc, caused by excessive use, symptoms: swelling, bleeding, treatment: anti-inflammatory meds. Cc fibromyalgia chronic non-articulative rheumatoid disorder; affects fibrous tissue of the muscles, ligaments, & tendons: forms tender points, symptoms: fatigue, poor sleep, depression, treatment: stress reduction, antidepressants, exercise, etc. Nerve & blood supply to a muscle: nerves enter the muscle through the neurovascular bundle nav. Vary in # depending on size of the muscle: somatic motor neurons spread out through thread-like extensions called axons; stimulate skeletal muscle fibers to contract.
