Start a countdown timer for 20 minutes, perform a single rep of each movement (for the lunges, left foot plus right foot ...

Keep climbing the ladder in this fashion until the buzzer sounds. Rest as necessary to maintain impeccable form, but keep it brisk if you want to fortify your fitness. When you reach the point ...

There are different types of ladders. There are rope ladders that can be used for gym activities or they are thrown out of helicopters to rescue people from mountains. Fire engines have extendable ...