Things you can learn with online fitness certifications

During your Marbella personal trainer courses you will learn all about the different abdominal muscles and it’s important to know the difference between all the abs exercices to be able to target the right muscles in order to tone up.

Crunches vs. Planks – What’s the difference?

Before undertaking proper online fitness certifications you would tend to think that if you want to attain a nice flat abdomen, is to do crunches. While crunches do help and can be very effective, you can strengthen and flatten your abdomen without doing a single crunch!

This is possible by keeping a check on your calorie intake and doing some cardiovascular exercises. Trying to reduce just one area in the body by burning fat will not be very effective. You need to burn fat throughout the whole body. Online fitness certifications will be able to guide you with the correct workouts.


When it comes to the question of which workout is better – planks or crunches, you should know that neither of these exercises burn fat. Marbella personal trainer courses will advise you that both the movements differ in the way they work, depending on how many muscles are used.

When you want to do crunches, you have to lie down flat on your back with your knees bent and your feet firmly resting on the floor. Next you have to lift your shoulder blades a couple of inches above the floor, keeping the chin up and above your chest.

Place your hands across your chest and make sure you do not put pressure on your neck. There are many ways to perform crunches. The movements isolate particular abdominal muscles. When you lie down, your abdominal muscles (particularly rectus abdominis) contract and become shortened helped by the obliques.


When it comes to doing planks, you have to lie down floor-facing. To support the upper body you need to place your elbows below the shoulders for body support. Extend your legs with feet and thighs close together, and then balance on your feet. Lastly stiffen your body like a plank, with your spine held straight stretching from head to heels.

When performing planks the core of your body becomes the main focus – it engages most of the body’s muscles. The movement consists of isometric contraction common to all variations of the plank.

This isometric contraction though making the muscle use force does not lengthen or shorten the muscle thus avoiding any joint movement. Muscles used to perform a plank are the inner and outer obliques, front abdominals and transverse abdominis. The last mentioned helps to stabilise the spine.

Other areas that benefit from doing planks are your hips, erector spinae muscles, glutes, thighs, lower legs, chest, serratus anterior muscles, trapezius muscles, triceps and rotator cuff muscles. Because planks help with body balance it is considered to be more efficient than crunches.


For a fit and conditioned body with a really strong core and toned abdominals go in for the many variations that planks offer. You also need to develop healthy eating habits and do some cardiovascular exercises with intensity training.

Since some of the exercise could prove to be demanding and somewhat intricate to follow; plus you need to take care of the spine area. Marbella personal trainer courses

will assess the level of your fitness and how much fitness training you have undergone, and accordingly prescribe the right cardiovascular workout for you.