Just 10 minutes of heart-rate elevating movement can certainly be a great starting point, and help you simply start a consistent routine. That's important, because so often people find themselves delaying working out until they have perfect, open stretches in their schedule — which is simply not necessary!
Short sessions matter when you do them regularly. Ten minutes of focused effort can elevate your heart rate and boost energy. Plus, many busy adults and caretakers start stacking multiple 10-minute blocks when they want a longer session that works for them.