Where are the muscles located?
Throughout the body, attached to bones and lining organs and blood vessels.
What do the muscles do?
- Produce movement
- Maintain posture
- Stabilize joints
- Generate body heat
- Move blood, food and air through organs
Key parts of the muscles
Skeletal muscle
Voluntary muscle attached to bones.
Cardiac muscle
Involuntary muscle found only in the heart.
Smooth muscle
Lines organs like the stomach and blood vessels.
Tendons
Tough cords that connect muscle to bone.
How to keep your muscles healthy
- Do strength training at least twice a week
- Eat enough protein
- Warm up before exercise and stretch after
- Rest and sleep for recovery
- Stay hydrated
At a glance
- Organ: Muscles
- Body system: Muscular System
- Skeletal muscles: 600+
- Of body weight: ~40%
Did you know?
The strongest muscle by force relative to size is the masseter, the jaw muscle used for chewing.
7-Day Muscles Meal Plan
A week of simple meals built around adequate energy, protein and whole-food carbohydrates, with 21 easy recipes and a grocery list.
Educational note: This page is for general anatomy education and does not provide medical diagnosis or treatment advice. Talk to a healthcare professional about any concerns.
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Hand-picked products to support your muscles.
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