Muscles are pieces of soft tissue throughout your body that help you move, breathe, swallow and stay alive.

Feb 5, 2026 · 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.

Knee Anatomy: Muscles, Ligaments, and Cartilage By Watch This Video of Why Knee Pain Can’t Wait How Do the Anatomy of Knee and Lower Leg affect Movement? The knee is a hinge joint that sits …

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.

5 days ago · Explore the muscular system with Innerbody's interactive 3D anatomy models including the muscles of the arms, legs, chest, back, and more.

Oct 30, 2023 · Want to quickly master the names of all major muscles in the body? Build the foundations of your muscular system knowledge with our free muscles quiz guide.

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 …

Jul 31, 2025 · Learn What is a Muscle, its types, functions, & common disorders. Learn how muscles impact your health. Read on to stay informed & take care of your body!

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 …

All types of muscles all utilise myosin and actin filaments (see molecular motors) to generate force that leads to cell contraction. In skeletal and cardiac muscle, actin and myosin filaments are organised …