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A Comprehensive Guide to Engaging Your Core

You’ve probably heard of the term “engage your core” at most once throughout your life regardless of whether you’ve had a workout program or read a fitness publication or entered the gym. Sometimes, it’s a gentle encouragement and at other times, it’s shouted at when you’re sweating the last workout.

But, you might be wondering what the core of your being is about, how to get it involved, and how you can engage it.

Your core is made up of muscles around your trunk, which includes those in your abdomen, the obliques diaphragm, pelvic floor extensors of the trunk, as well as hip flexors.

Your core is the stabilizing part of your trunk to ensure balance, and to perform movements such as lifting weights or standing up from a chair. It also gives you the mobility to let your body move when needed like when you pull your seatbelt out or hit the golf ball.

In addition, the core muscles of your body are involved in daily actions like breathing and controlling your posture, urination as well as defecation.

Each time you exhale and inhale, your diaphragm is playing an important role in allowing airflow through your lung. When you sit straight your core muscles tighten to ensure that your trunk stays in a straight position. If you go to the bathroom, these muscles are there to begin and end your work.

This article will explain what muscles of the core are, explains their roles in instability and mobility of the trunk, and outlines the core exercises you can incorporate into your exercise routine.

Which are your muscles that are at the core?

Many muscle groups form the core muscles.

Rectus abdominis

The rectus abdominals, sometimes referred to as the six-pack muscle is between your lower ribs and extends towards the front portion of your pelvis. The most common movement it makes is to flex your spine. This is done when you sit in bed or when you do the crunch.

It is also the smallest of the muscles in the core and is consequently not as effective for stabilization of the spin.

External and internal obliques

The external and internal Obliques connect on the lateral sides of your trunk. They connect your ribs to your pelvis. They provide stability for the front and sides of the trunk.

The main movements they do involve the rotation of the trunk, for example when you use a baseball bat and side bent. When they perform in a bilateral manner, they also stretch the spine.

Transversus abdominis

The transversus abdominis originates from several locations which include the top and back of the pelvis as well as in the lower six ribs. The fibers are horizontally arranged around the body until they reach the linea alba, also known as the midline. It is the abdominal muscle with the most deepest and is responsible to support the spine.

When the transverse abdominals are active, it contracts the multifidus muscle to give a deep, stable stabilization for the back of your lower portion, in particular.

People who have chronic back pain can benefit from strengthening their muscles.

Pelvic floor

The pelvic floor muscles are situated on the lower part of the pelvis. They work similarly to a hammock or sling. When activated, they move up towards the stomach.

The muscles stop and start the flow of feces and urine, but they also serve as stabilizers for the pelvis and spine.


Its diaphragm is attached to the underside of the lower ribs.

It’s the main muscle responsible for breathing in as well as out, however, new research suggests that it has a significant role to play in the functioning of the heart and lymphatic return, as well as regulating emotions, eating, and vomiting. It also plays a role in lumbar stability and the ability to tolerate pain.

Back extensors

The back extensors in your back are multilayered muscles which include the erector Spinae muscles as well as quadratus lumborum and multifidus. In general, they connect the pelvis to the spine or a particular vertebra to vertebrae that are above and below.

They are used for the extension of the spine (bending backward) as well as postural support and helping support the spine when moving forward and lifting heavy loads, for example, exercises like squats or Biceps curls.


The iliacus, as well as the psoas both, are hip muscles that join to form one abdominal muscle belly and are frequently referred to as the iliopsoas. They are derived through the thoracic the lumbar the spine (psoas) along with the pelvis’ iliac crest (places) and are inserted into the femur or lower the leg bone.

The iliopsoas is a hip flexor or draws your legs towards your torso, as when you’re doing high-knee exercises. However, since it’s linked to the spine, it’s referred to as a deep-core stabilizer.



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