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Kill That Core

15 min
 · 
6 exercises
Bench Flutter Kicks
3 sets
50 reps
Romanian Deadlifts
3 sets
10 reps
Standing Side Bends
3 sets
8 reps
Plank Leg Lifts
2 sets
30 secs
Pull-ups
3 sets
5 reps
Weighted Glute Bridges
3 sets
15 reps
This Kill That Core 15 min gym workout plan effectively targets your abs, back and legs. Easily follow this workout with confidence on your phone or printable exercise program with our clear exercise demonstrations. You can also look up step-by-step instructions for each of the 6 exercises and see which muscle groups they target. Enjoy!

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Kill That Core
15 min
 · 
6 exercises
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Bench Flutter Kicks
3 sets
50 reps
Set 1 of 3
Rest before next set
Get ready
321GO
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
  1. Lie face down on a flat bench with your hips on the edge of the bench. Fully extend your legs and raise your feet up from the floor so that they are in line with your body .
  2. Place your arms on top of the bench, using them to hold on to the front edge of the bench for stability.
  3. Squeeze your glutes and hamstrings and straighten your legs until they are level with your hips. This is the start position.
  4. Start the exercise by raising you left leg higher than your right leg.
  5. Then lower the left leg as you lift the right leg and so on.
  6. Alternate in this manner  until you have done all repetitions for each leg.

When performing this exercise, breathe normally. As your strength increases, you can add ankle weights.

Primary muscle group(s):
Glutes & Hip Flexors
Secondary:
Abs
  1. Position yourself on all fours on a mat.
  2. Position your hands underneath your shoulders and place your knees under your hips.
  3. Keep your right knee bent at 90 degrees and flex the foot as you lift the knee until it is level with the hip.
  4. Lower the knee without touching the floor and repeat the lift.
  5. Once you’ve completed the reps on the right leg, switch legs.
Primary muscle group(s):
Abs, Lower Back
Secondary:
Glutes & Hip Flexors
  1. Position yourself on all fours with knees underneath the hips and wrists under the shoulders.
  2. Engage your abs and keep your spine neutral, pulling the shoulder blades towards the hips.
  3. Lengthen the left leg until it is straight out and in line with your hips while simultaneously raising and straightening your right arm until it is parallel to the floor. Keep your head and shoulders aligned at all times.
  4. Gently lower your arm and leg back to the starting position and alternate with the other arm and leg.
Romanian Deadlifts
3 sets
10 reps
Set 1 of 3
Rest before next set
Get ready
321GO
Primary muscle group(s):
Hamstrings
Secondary:
Abs, Calves, Glutes & Hip Flexors, Lower Back
  1. Standing tall with a tight core and flat back, hold a barbell or a pair of dumbbells in front of you. Hands should be slightly wider than shoulder-width.
  2. Maintaining a tight core and flat back, bend your knees slightly and push your hips back. Keep your arms extended and the weight close to the body. Once you feel the contraction in the back of your legs, slowly return to the starting position.
Primary muscle group(s):
Lower Back
Secondary:
Abs, Calves, Forearms, Glutes & Hip Flexors, Hamstrings, Quadriceps, Upper Back & Lower Traps
  1. Place a barbell in a clear space on the floor. (Make sure there are no obstructions in your way.
  2. Stand facing the barbell with your legs about 4-6 inches from the bar.
  3. Place your feet shoulder width apart.Your feet can be pointed straight ahead or turned outwards slightly.
  4. Squat down, keeping your back straight and grip the bar with an overhand grip at shoulder width.
  5. Keep your arms fully extended and stand up with the barbell.
  6. As you lift the barbell, your hips and shoulders should rise together and your back should be straight.
  7. As you reach the top of the lift and are standing straight, rotate your shoulders back slightly until you feel a slight stretch in them.
  8. Lower the barbell back to the floor in the same squatting motion you used to lift it.

This exercise can be very dangerous if performed incorrectly. If you are a novice, only perform this exercise with an experienced trainer's supervision.

Primary muscle group(s):
Hamstrings
Secondary:
Abs, Glutes & Hip Flexors, Lower Back
  1. Place a barbell on the floor and stand facing it with your feet shoulder width apart, toes pointing forward and your knees slightly bent. This is the start position.
  2. As you exhale, bend at the waist keeping your back straight and knees slightly bent until you feel tension in your hamstrings.
  3. Grasp the barbell with an overhand grip. Your arms should be fully extended with your hands spaced shoulder width apart.
  4. Lift the barbell by extending your hips and waist in a smooth action until you have returned to the upright position, inhaling as you do so.
  5. Pause for a count of 1-2.
  6. Return the barbell to the floor or just above it by repeating step two.
  7. Repeat.

This exercise should be avoided by those who suffer from lower back problems. To avoid injury, keep your back and torso straight at all times throughout this movement. This exercise can be performed using dumbbells or a straight bar attached to the low pulley of a cable station.

Primary muscle group(s):
Glutes & Hip Flexors, Lower Back
Secondary:
Abs, Calves, Hamstrings, Quadriceps
  1. Place two dumbbells on the floor.
  2. Stand facing the dumbbells with your feet shoulder width apart.
  3. Bend knees and hips to lower your torso in a squatting movement,keep your back straight.
  4. At the bottom of the squat grip the dumbbells with an overhand grip,keeping your arms fully extended.
  5. Return to an upright position holding the dumbbells with your palms facing towards your body and extending your hips forward. Do not round your back.
  6. Return the dumbbells to the floor in the same manner you picked them up.
  7. Repeat.
Primary muscle group(s):
Glutes & Hip Flexors, Hamstrings
Secondary:
Lower Back
  1. Holding the handles of the resistance band, step on to the middle. Place your feet at shoulder-width with toes pointing forward. Tighten your core and keep your chest up.
  2. Bend your knees slightly and drive your hips back but NOT lower than your knees. Again, keep the chest up. This is the starting position.
  3. Forcefully contract your glutes, driving them forward. Do not just lean back. Your glutes should be fully contracted. Pause then return to the starting position.
Standing Side Bends
3 sets
8 reps
Set 1 of 3
Rest before next set
Get ready
321GO
Primary muscle group(s):
Obliques
Secondary:
Abs
  1. Stand straight, your feet shoulder width apart, while holding a dumbbell in your left hand with your palm facing in to your body.
  2. Place your right hand on your waist, palm facing in. This is the start position.
  3. Keeping your back and head straight, bend only from your waist to the right. Inhale as you bend.
  4. Continue as far as possible, then hold for a count of one.
  5. Return to the start position, exhaling as you do so.
  6. Repeat the movement this time bending to the left and returning to the start position.
  7. Complete all repetitions holding the dumbbell with your left hand before changing hands.

This exercise can be performed with a kettlebell or a plate weight.

Primary muscle group(s):
Obliques
  1. Lie on a padded surface on your left side. Stack your legs and bring your right hand behind your head. Lie your left arm in front of you or across your body. Brace your core.
  2. Pulling from the obliques, bring your elbow up and towards your feet. Do NOT pull yourself with your hand.
  3. Pause and feel the contraction in your obliques then slowly return to the starting position.
Plank Leg Lifts
2 sets
30 secs
Set 1 of 2
Rest before next set
Get ready
321GO
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
  1. Lie on a mat and position yourself in a plank position. Place your elbows on the floor beneath your shoulders. Your toes should touch the floor and your torso should be lifted in a straight line.
  2. Engage your core muscles and lift one foot off the floor. Keep the rest of your body as still as you can. Your heel should lift until it is in line with your buttocks.
  3. Slowly lower the leg to the starting position and repeat with the other leg.
Pull-ups
3 sets
5 reps
Set 1 of 3
Rest before next set
Get ready
321GO
Primary muscle group(s):
Lower Back, Upper Back & Lower Traps
Secondary:
Biceps, Forearms, Shoulders
  1. Standing under a pull-up bar, reach up and hold onto the bar with an overhand grip. Make sure your hands are about twice your shoulder width apart.
  2. Keep your arms straight and hang from the bar so that your arms are taking all of your weight.
  3. Keeping your body straight and not swinging your weight, pull your body up towards the bar by pulling your elbows down towards your torso at an angle.
  4. Continue lifting until your chest is nearly touching the bar. You should feel a “squeeze” at the base of your lats (about midway down your back and to the side) as they contract.
  5.  Once your lats have completely contracted at the top of the movement, slowly lower your body to the starting position.
  6. Repeat.

By using a wide grip, your lats are doing most of the lift, rather than your biceps. It doesn't matter if you keep your legs straight or bent at the knees with your feet crossed. The important thing is that you do not use your legs to assist in lifting your body weight. As your strength increases, you can add weight by using a weight belt.

Weighted Glute Bridges
3 sets
15 reps
Set 1 of 3
Rest before next set
Get ready
321GO
Primary muscle group(s):
Glutes & Hip Flexors
Secondary:
Abs, Lower Back
  1. Select an appropriate weight for the plate you will be using. Place it next to where you will be laying.
  2. Lay on flat on your back. Bend your knees, bringing your feet towards your hips. Bring the plate up and on to your pelvic area.
  3. Tighten your core, flatten your back, and make sure your feet are firmly on the ground. Raise your hips up, creating a straight line from your head to your knees.
  4. Slowly lower your hips and repeat the movement.
Primary muscle group(s):
Glutes & Hip Flexors
Secondary:
Lower Back
  1. Position your upper back on a padded bench so that your body runs perpendicular to the bench. 
  2. Align your feet so they are about shoulder width apart, with the soles flat on the box with your back and hips elevated from the floor.
  3. Slowly lower your body into the gap between the bench and the box allowing your toes to point upward as you do so.
  4. Lift your body upwards using the muscles in your lower back and glutes all the way to the top of the extension.
  5. Tense you glutes holding the top position before lowering your body back down for the next rep.
Primary muscle group(s):
Glutes & Hip Flexors, Hamstrings
Secondary:
Abs, Lower Back
  1. Lie on an exercise mat with your knees bent so that your feet are flat on the floor. Keep your back straight.
  2. Place your hands out to your sides palms flat for stability.
  3. Raise your glutes off the floor by extending your hips upward while pushing down through you heels.
  4. Continue until your back, hips and thighs are in a straight line. Hold for a count of one.
  5. Return to the start position by lowering your hips back to the floor.
  6. Pause then repeat.
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