And marching bridges-a next-level move-engage ... Start in the same position as the basic glute bridge, then lift and extend your right leg so your right thigh is parallel to the left.

Building strength after 55 doesn't have to be complicated. You can boost your muscle power without relying on fancy equipment ...

Similarly, for this exercise, get into the glute bridge pose, then, instead of raising your legs, bring your knee back to your chest alternatively so it looks like you are marching in position.