It can compromise oxygen and nutrient delivery to muscles which can cause cramps.
Skeletal muscle: multinucleated, striated; attached to bones producing locomotion, general support and posture; producing heat. Contraction is voluntary, and not long-sustained. b. Cardiac muscle: found only in the heart and responsible for contraction of cardiac tissue and distribution of blood.
If they have a wheel chair have accessible entries with rails or what not. If a person is blind they should have more braille descriptions.