Pre-Workout [Morning — 6.30AM, Evening — 6.30PM] — ½ scoop of Whey. This ensures you don’t lose muscle mass during your workout. On Cardio days, I consume nothing else but on Weight Training days, I have 1 slice of brown bread spread with Unsweetened, Natural Peanut Butter topped with 1 banana. It’s a solid combination of complex carbs and fruit sugar to fuel your workout.

Directions: Begin each of these workouts with a five-minute warmup, or go through the moves after you’ve done your usual cardio or strength training when you’re already warm. Each should also begin with 20 reps of what Fitzgerald calls “transverse pullbacks”—where you pull your navel toward your spine, as if bracing yourself against a sucker punch—as a way to activate the muscles for the work you’re about to ask of them. You’ll also need some dumbbells for some of these moves.
When it comes to improving core stability, the plank has your back (and your front!). By working your transverse abdominis — the deep core muscles that wrap around your middle — as well as your back, shoulders and glutes (yes, you should activate your butt, too), you get a full body burn in one isometric movement. But the best thing about planks: You can continuously switch them up and make your muscles work even more. Check out these creative twists on a typical plank routine and you’ll see what we mean.
Start on the floor with your feet outstretched (more difficult) or your knees slightly bend with your heels on the floor (a bit easier). Contract your core, lift your upper body from the hips so your lower back and shoulders are about 10 inches off the floor. Stretch your arms out along your sides with palms up, and simply hold that position for up to a minute at a time. Ouch. It's a good one. 

To do it: Start in a plank position with one small towel placed under each ball of your foot, legs together. Bring your left knee in towards the right side of your chest, squeezing your abs. Then, straighten your right leg back out to full plank and bring your right knee in towards the left side of the your chest and back out to full plank. Next, draw both knees into your chest at the same time and then slide your legs back out to full plank. That’s one rep. Build up to 3 sets of 12-15 reps (resting in between).
Eat carbs. "There's this notion that carbs are bad and that you need crazy amounts of protein to be lean and fit," says Alcantara, who disagrees, and eats just as much carbs as protein, although the ideal ratio varies based on your goals. "Whatever you eat to get the results you want has to be sustainable, otherwise you're going to end up right back where you started with the same habits that got you there."
Yuri Elkaim is one of the world’s most trusted health and fitness experts. A former pro soccer player turned NYT bestselling author of The All-Day Energy Diet and The All-Day Fat Burning Diet, his clear, science-backed advice has transformed the lives of more than 500,000 men and women and he’s on a mission to help 100 million people by 2040. Read his inspiring story, “From Soccer to Bed to No Hair on My Head” that started it all.
When you're doing exercises to strengthen these muscles, think of the abs and core as one unit. Even when you do exercises that recruit more of one muscle than the others (for example, side planks that really fire up the obliques), you'll notice that you still have to engage your entire midsection to do them right, which is proof that these muscles are never working completely alone. It's important to show equal love to all of the muscles of the core so that this unit can power itself properly from all angles.

Leg day, arms day, chest-and-shoulders day. You already break up your regular workouts by muscle group; steal a page out of Alicia Vikander’s ab-shredding book and do the same to your core. To get ripped for Tomb Raider, Vikander broke her core workouts into three days: isometric (endurance moves, like planks); strength (sit-ups, hanging leg raises); and oblique-specific (told you so).


How to use this list: Clayton suggests doing each exercise below for 30 to 45 seconds before every run. “This will fire up your muscles so they’re active when you need them most,” Clayton says. Clayton even demonstrates them herself, so you can nail the perfect form. You will need a mat and a set of sliders. Two hand towels or paper plates will work. too. 

As the kettlebell shifts from hand to hand in front of your body, your core has to stabilize to fight against the movement of your arms, and your biceps, shoulders, and back muscles need to work together to control the pace at which you are catching and releasing the kettlebell. Your lower-body will get a workout, too. You can perform this abs exercise with a bent waist to hammer your hamstrings and glutes or try it in a squat position to target your quadriceps. No matter which way you try it, you'll see bigger strength gains and a smaller waistline in less time.
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