ขาดการออกกำลังกายและการขาดการปฏิสัมพันธ์ทางสังคม
Apart from the neurodegenerative process, limited daily physical activity (i.e.
bodily movement produced by contraction of skeletal muscle that substantially
increases energy expenditure) among people with dementia might explain
some part of the reduced gait and balance ability. Studies that have observed
people with dementia in residential care facilities have reported that physical
activity and social interaction are rare. One explanation for this could be the
lack of initiative and interest, which are common symptoms among people with
dementia. Another reason for the reduced level of physical activity could be
that the environment in residential care facilities does not promote activity.
One study reported that for more than one-third of the residents, physical
activity decreased after the move into residential care facilities.