Man is a generalist. No harm in that: he/she is remarkably adept at adapting and to enhance this process has created a batch of tools which allows him/her to perform to the highest levels.
When push comes to shove, what are the essential Tools of Excellence?
6: The Skipping Rope.
It's perfect. Instant CV work-out. Heart rate raised, challenged and calmed in the briefest of workouts. But the necessary demands made of muscles and bones, too: arms, legs, back.
It's perfect: light, small and easily transported. You can even get it through carry on at the airport.
Choose carefully for your height, start with the classic school play-ground 'single under' and then speed up those wrists and achieve some boxer's 'double-unders'.
It's a tool for excellence for staying fit, strong and agile.
The Excellence Kit-Bag so far:
4: The Compass
6: The Skipping Rope