Lay flat on your back again for this one but this time, place a dumbbell between your feet with your knees completely bent and thighs pointing straight up. Hold on to the dumbbell with your feet and bring your legs up toward your chest making sure your lower back gets off the ground. Focus on using your abs to pull your legs up and not getting momentum from your knees or feet. 
Do it: Stand with your feet hip-width apart and hold a dumbbell in your right hand, palm facing inwards towards the torso. Keep your back straight, activate your core, and then bend to the side as far as possible—but only at the waist. Hold for one second at the bottom of your range of motion, and return to start for one rep. Do between 12 and 20 reps for one set.
I’ve had several friends ask me what I did and what they could do to get fit so I decided to nail down everything in this detailed article. I’ve also tried to bust a lot of ‘six pack myths’ in the process by backing them up with scientific explanations and relevant links wherever possible. Whether you’re fat, skinny or somewhere in the middle, I’m sure you’ll manage to takeaway something after reading this!
Why it made the list: Decline-bench crunches amp up the challenge by increasing the range of motion over standard crunches, and you can dial up (or down) the degree of difficulty by adjusting the angle of the bench. Adding a medicine ball or weight plate against your chest adds a further level of customizable resistance. This also allows you to manipulate where you want to fail: low, medium, or high reps.

Everyone is talking about it, and the number of transformation challenges is greater than ever before. If you’re up for the challenge, then we have the perfect program to build a "V-taper" and make your abs pop. Getting ripped is about making sacrifices, and with shirtless months quickly approaching, the longer you wait, the more you will have to victimize your way of life by showing up late for the party. Minimize your pain and frustration by easing into this program, cleaning up your diet, and hitting some supps to take you to the promised land.


But alas, this process doesn’t happen overnight. And by now, the washboard abs industrial complex has produced such a dizzying volume of exercises, tricks, and gizmos promising to transform your midsection into a Hemsworth brother’s midsection that even after you’ve settled on a strategy, it’s hard not to wonder whether all that diligence and discipline is really making a difference.

We all want a solid core for different reasons: sports performance, pain prevention, that finish line photo—but strengthening your midsection is particularly important for runners. That’s because your core is the stabilizing center of your body (it keeps you standing, least of all sprinting), and it can make or break your speed goals, prevent (or contribute to!) an injury, and yes, make you feel pretty badass in a sports bra.
Tighten your abdominal muscles and protect your spine with the most effective ab exercises from the American Council on Exercise (ACE). Learn proper techniques and step-by-step instruction from America's Authority on Fitness. This large collection of exercises is also featured in complete workout routines that include full-body and at-home workouts. Whether you?re looking for beginner level training or advanced fitness programs, we have something here for everyone to target core muscle groups. Choose from a wide variety of lower ab exercises, standing trunk rotations, reverse crunches and more.
Regular cardiovascular exercise should be an essential part of your plan. I recommend you try and get in three to five cardio workouts per week. If you find you’re not losing as much fat as you’d like then shoot for five sessions a week. If your progress is good then you might be able to get away with just three sessions a week. Adjust appropriately based on your rate of progress.
What's the fastest way to sculpt a rock-solid core like Rocky Balboa's? Slow it down. "Your muscles can handle more weight on the eccentric, or lowering, phase of a lift," says Todd Durkin, C.S.C.S., owner of Fitness Quest 10 in San Diego, California. So decreasing the pace of that phase—like you do with this slo-mo ab exercise from Rocky IV—forces your muscles to work harder, accelerating your gains.
And, since the muscle is designed to bring your lower ribs and pelvis closer together or farther apart, you need to work them that way—with crunches and reverse crunches, Cary says. In fact, research commissioned by the American Council on Exercise shows that the crunch works the rectus abdominis better than other common abs exercises including the plank, sit-up, and boat pose.
"My goals six years ago was to 'get abs' and I used to think cardio and crunches would get me there. But it wasn’t until I started lifting weights and varying my abdominal exercises that I started to see a major change. You don’t realize how much you use your core muscles in order to perform powerful rapid movements like deadlifts!" — Shante Franca, @shantefranca
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