Shooting pain like electric shock on right metatarsal when in "get set" position. What problem is that and how to treat?

Neuroma? You may have an interdigital neuroma which is a pinched nerve between the metatarsals which may cause a burning or electric shock into the toes. You should be checked by an md you may require shoe modification or a local injection.
Nerves. A shooting or burning pain in certain positions or with certain movements comes from a nerve being pinched or irritated. See your primary provider to further evaluate and treat.