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"Myopathy," sarcoplasmic body
- ... movement. People with STAC3 disorder have muscle weakness (myopathy) and poor muscle tone (hypotonia) throughout the body that typically begins at birth.Muscle weakness underlies ...
- ... to the muscle weakness characteristic of tubular aggregate myopathy. Evidence suggests that the tubular aggregates are composed of proteins that are normally part of the sarcoplasmic reticulum. Although the mechanism is unknown, some researchers ...
- ... amounts of calcium ions are released from the sarcoplasmic reticulum inside muscle cells. An overabundance of calcium ions activates processes that generate heat (leading to increased body temperature) and produce excess acid (leading to acidosis). ...
- ... muscle cells stimulates muscles to contract, allowing the body to move. The process by which ... known as Native American myopathy). This condition is a muscle disorder characterized by ...