Research has shown it is more effective to train "smarter" rather than "harder." That sounds to me!
You would have noticed there are more and more fitness programs now that focus on the 30 minute format. Program such as Les Mills GRIT, CX and your floor based small group fitness sessions at your local gym.
Even your traditional programs such as Les Mills Body Pump and Body Attack are making the move to a shorter format, or at least delivering an option away from the 1 hour classes by introducing 45 and 30 minute formats of the programs
Here are my 3 tips for achieving the best results in a shorter time frame.