Muscular System PDF
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Summary
This document is a presentation on the muscular system, covering topics such as muscle structure, function, and the energy sources used for muscle contraction. It also includes details on clinical application, focusing on topics such as muscle tone, atrophy, and the importance of maintaining core body temperature in relation to muscle function.
Full Transcript
Human Anatomy and Physiology Coordination of antagonist Skeletal Muscle Movement muscles to perform movement. The Functional Unit of the Muscle The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skel...
Human Anatomy and Physiology Coordination of antagonist Skeletal Muscle Movement muscles to perform movement. The Functional Unit of the Muscle The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle. Interrelatedness of Neuromuscular System The Mechanism of Contraction of a skeletal muscle requires the coordination of both the muscular and nervous systems. The initiation of a skeletal muscular contraction requires an impulse from a motor Muscle Contraction neuron of the nervous system to trigger a release of the neurotransmitter acetylcholine (ACh), which opens the sodium channels and sets the process of muscle contraction into motion. This all occurs at the neuromuscular junction. Muscular Fuel Thank you
