But in reality it is a mangled pile of bicycles covering an area roughly the size of a football pitch, and so high that cranes are needed to reach the top; cast-offs from the boom and bust of Chinaâs bike sharing industry.
Involuntary muscles would be things like your heart and the muscles around your intestines, which you generally cannot consciously control. The skeletal is called voluntary muscle because it is usually subject to conscious control.
The skeletal muscles are the voluntary set of muscles, while the other two types work on their own, without any conscious effort thus are involuntary. Any of these muscles can be impaired in their function due to a variety of factors such as sedentary lifestyle, infection, medication, underlying medical disorders, etc.