Speed walking is a form of physical exercise which is considered a low impact and effective way of staying fit. For those looking to add variety to their routine, there are a number of synonyms you can use to describe this activity. Brisk walking, power walking, race walking and fast walking are all terms that can be used interchangeably with the original term. Another variation is Nordic walking, which incorporates the use of poles to increase intensity. Whatever you choose to call it, this low-impact exercise can provide a host of benefits, including improved cardiovascular health, toned muscles, reduced risk of chronic illnesses and an overall improvement in mood and wellbeing.