If men are conscious about the upper body, then training your legs will help you get a stronger upper body too. In order to have a stronger base for other workouts, legs exercises are the ultimate thing.
This exercise is achieved by standing with your head and back pressed against a wall. Just position your feet shoulder-width apart, and slide your feet in front of your body. After that, keep your arms at your sides and your back against the wall, and squat until your thighs are parallel to the floor.
Barbell Hack Squats
What you have to do is to place the barbell on the floor behind you. Then, step in front of it, feet shoulder-width apart, and reach down and grab the bar with an overhand, shoulder-width grip. After that, keep the chest up and back straight, press up through the legs. Afterwards, slowly lower the weight back down to the floor. As with all squats, be vigilant not to round your back.
For this particular exercise, one have to standing upright, with your feet at shoulder width and toes raised. After that, use one arm to maintain balance while bending at the knees and slowly lowering your chest toward the ground by bringing your pelvis and knees forward. When your upper and lower legs almost create a 90-degree angle, use your thigh muscles to bring your torso back up to the starting position.
In this particular activity, just stand up straight with feed shoulder-width apart. From this position jump as hard and as fast as possible straight up and onto the raised surface. It is simple but it will give ultimate strength to the legs.