
Human muscle system | Functions, Diagram, & Facts | Britannica
Dec 29, 2025 · Human muscle system, the muscles of the human body that work the skeletal system, that are under voluntary control, and that are concerned with movement, posture, and balance.
Muscles of the Body: Types, Groups, Anatomy & Functions
Jan 23, 2024 · Muscles are pieces of soft tissue throughout your body that help you move, breathe, swallow and stay alive.
Muscle - Wikipedia
Muscle tissue gives skeletal muscles the ability to contract and relax. Muscle tissue contains special contractile proteins called actin and myosin which interact to cause movement.
Interactive Guide to the Muscular System | Innerbody
Jan 13, 2026 · Explore the muscular system with Innerbody's interactive 3D anatomy models including the muscles of the arms, legs, chest, back, and more.
Muscular system | Learn Muscular Anatomy - Visible Body
Muscles allow us to move. Smooth, cardiac, and skeletal muscle move to facilitate body functions like heartbeats, digestion, and moving bones. Neurotransmitters and chemical reactions work together to …
Major Skeletal Muscles of Human Body and Interactions | BIO103: …
To move the skeleton, the tension created by the contraction of the fibers in most skeletal muscles is transferred to the tendons. The tendons are strong bands of dense, regular connective tissue that …
Muscles: Types, composition, development, and more
Jan 17, 2024 · Muscles and nerve fibers allow a person to move their body and enable the internal organs to function. There are more than 600 muscles in the human body. People also have different …
How to Learn Anatomy: Muscles - Action - TeachMeAnatomy
Jun 14, 2025 · In this article, we shall look at a six-part framework for describing muscles – site, shape, attachments, action, nerve supply, and blood supply. This structure can be applied to any skeletal …
Types of Muscles: Structure, Physiology, and Functions
Aug 16, 2025 · Detailed anatomy and physiology of different types of muscles- skeletal, smooth, and cardiac muscle, including structure, mechanisms, and functions.
Muscles - Bone, Joint, and Muscle Disorders - Merck Manual Consumer Version
The size and strength of skeletal muscles are maintained or increased by regular exercise. In addition, growth hormone and testosterone help muscles grow in childhood and maintain their size in adulthood.