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Voluntary muscles are the muscles that can be controlled consciously, and are made up of cylindrical fibres. Generally, these muscles are attached to bones of the skeleton, thus called the skeletal muscles. Skeletal muscles are striated and are made up of multinucleate cells.
Voluntary muscles can be strengthened with exercise, and will atrophy without it. Photo Credit my muscles image by Frenk_Danielle Kaufmann from Fotolia.com. Voluntary muscles are one of three types of muscle in the body; smooth and cardiac are the other two types.There are more than 600 muscles in the body, and each falls into one of these categories.mooth muscles are involuntary; cardiac muscles make up the muscles in the heart; voluntary muscles are controllable by your brain &mdash; and these are the muscles you use to perform activities. The muscles of the chest, back, shoulders, abdominals, arms, and legs make up the body&#039;s major muscle groups.