If you cannot lie down on your back, you’re short on space, or you simply prefer standing workouts, this 15-minute ab workout blasts your core without a single sit-up.
"Planks strengthen your spine, rhomboids, lats, trapezius, core, quads, glutes, hamstrings, shoulders, and triceps when done properly," Michaels says. Other exercises like crunches or sit-ups can ...
Fancy some more core workouts with zero sit-ups, crunches or planks? Here's another speedy standing workout that only consists of four dumbbell exercises. Alternatively, if you've got more time on ...
Harvard Health Publishing claims planks are more effective than sit-ups, saying they “recruit a better balance of muscles on the front, sides, and back of the body than sit-ups, which target ...