Use stability balls to make a functional home gym
If you're working out at home with limited space, consider buying a stability ball, Holland advises. It’s an inexpensive, yet extremely versatile and functional piece of equipment.
"You can use it to work your entire body, from head to toe, and it can also take the place of a heavy, expensive bench for exercises like dumbbell chest flys," Holland says. "You can also use it as a chair to work your core all day long while sitting around your house, or at the office."
Try antagonistic training and cut your workout time in half
There's only so much time in the day -- and, again, those of us who aren’t personal trainers don't get paid to be there. That's why Jacob Boly, certified personal trainer for The Vitamin Shoppe, recommends maximizing your time with antagonistic training, a form of training that focuses on hitting opposite muscle groups in one set. That means two exercises -- like a bench press paired with a row -- make a full set.
"As long as you take consistent rests in between sets, this training method works because you're not overly fatiguing one muscle group, since you're working opposite muscles," Boly says. "Also, you're saving time by incorporating the same amount of volume with less waiting around in between."
Have a playlist for every occasion
"For cycling, I sort things by beats per minute and tempo for hills, jogs, and flats -- this separation can translate into different types of workouts you do on your own," Arndt says. "Find your running pace and then create a playlist from there. If you're doing reps of something, choosing songs with a steady BPM can help you time and power through your sets."
Arndt also recommends making your playlists the duration of how long you want your workout to be. That way, it acts as a timer, and you won’t have to constantly stare at the clock.
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Erin Kelly is a writer, runner, and triathlete living in New York City. Her favorite workout advice is to score a spot in the back row during group fitness classes to avoid one-on-one contact with personal trainers. Follow her on Twitter at @erinkellysays.