New answers tagged interval-training
Do you own a smartphone/tablet? If it's available then get yourself an app for Tabata/HIIT. I personally use „Bodyweight Training by Mark Lauren“ (also available as book), which is progressive, customizeable and has a ton of exercises (and video descriptions for the iPad). A timer for tabata and a sample HIIT workout is also built-in. I think you get the ...
Given you have restricted basically every parameter, I think your best bet is to get a rowing machine, stationary bike, or elliptical machine.
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