plz do graded exercise under guidance.hydrate urself well  and do stretching and relaxation.for more help consult personally plz.

Don’t strain all of sudden, slow n steady u can increase ur workout time.

Take rest long breathing and take homeopatic medicine rhustox

Take rhus tox 30 for overstretching..Give hot application.. Exercise daily.not one day too much..

For now jus take homoeopathic medicine called Rhua TOX -30-TDS for 3days

Your heart normally beats faster when ever u exercise as ur body demands more oxygen & blood supply . It happen more if u are not habitual of regular physical activity , so do' nt worry it is okay to have fast heart beat after exercise. It will become nomal with daily gradual exercise Regarding painfull muscle u can do some ice pack or take some mild pain killer with muscle relaxant . Try to do mild exercise first & then gradually increase it otherwise muscle go in to fatigue & spasm due to lactic acid acumulation

Don't worry, take electrolyte solution (electral etc ),Bath with Lukewarm water mixed with common salt leaving head, specially on legs, increase exercises in ascending order, massage with olive oil or Almonds oil ,

Take rest. Drink plenty of fluids. Don’t do too much of exercise in one go. Especially when u r not used to it. Stamina is not increased in one day. It is build slowly. So start with a small number n slowly increase.

Don't worry. It will take time to review duce leg pain . Kindly do exercise under guidance. 200 for first time is not good . You have to goes on increasing from 12,25,50 75...so on .

Nothing major, adequate rest. How much is the heart beat?