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Skeletal muscles in the body are specialized structures for both stability and mobility functions. Understanding the function of muscles depends on understanding the structure of the muscle, from the contractile proteins within each muscle fiber to the organization of the fibers in the entire muscle. The important functions of the muscles in the body are as follows: (1) production of force, (2) maintaining posture and body position, (3) joint stabilization, (4) heat production, and (5) protecting internal organs.

Skeletal muscles have important roles in many bodily functions. From a mechanical point of view, the main functions of skeletal muscles are to generate strength and power, maintain posture, and convert chemical energy into mechanical energy for movement production. From a metabolic point of view, skeletal muscles serve as a storage site for important building blocks such as amino acids and carbohydrates. It also contributes to amino acid release from muscles and maintenance of blood glucose levels during fasting.

In this section, skeletal muscles are explained. At the end of the chapter, smooth muscle and cardiac muscle are also briefly mentioned.

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Calik, M. (2023). The Muscle Structure and Function. In: Kaya Utlu, D. (eds) Functional Exercise Anatomy and Physiology for Physiotherapists. Springer, Cham.

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-27183-0

  • Online ISBN: 978-3-031-27184-7

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