BBC

Human Anatomy - Back View of Muscles

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BBC

Muscles - Structure and contraction

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Healthline

Deep muscles

Deep muscles The abdominal muscles provide postural support, protect internal organs, and perform other important functions. The lower abdominal muscles help protect the pelvic cavity. The rectus ...
BBC

Human Anatomy - Front View of Muscles

The BBC is not responsible for the content of external websites BBC SCIENCE is provided for general information only, and should not be treated as a substitute for the medical advice of your own ...
BBC

Muscles - Structure and contraction

Your skeletal muscles are made up of bunches of elongated, rod-shaped cells called muscle fibres. Each of your muscle cells is packed full of thinner fibres called myofibrils. These fibres contain ...