(rest,ice,compression,elevation) Building fitness can be a challenge and there will be setbacks you may get bored of walking but check progress,improving your cardiovascular fitness and bodies tone,muscle’s will push you towards your goals.So keep up the monitoring,recordings.
A serious Injury can stop the progress but if you injure yourself it is best to stop exercising or slow down it is common when your pushing your body beyond its comfort zone. In the unlikely event you do get injured or sprain/strain any body part use rice REST : It means resting your injured body for twenty-four hours or more post-injury even if you are not on crutches.
will help massively with an injury ice will help with pain,slow down pain signals where nerves link to central nervous system also reduce inflammation.
Cover,wrap the injured area firmly in a bandage to reduce swelling which can cause prolonged rehabilitation if swelling is not bandaged.