In short:
- Core training strengthens the deep abdominal, back and pelvic floor muscles that keep the spine stable.
- Regular core training significantly reduces the risk of lower back pain recurring.
- The best starter exercises are the plank, the bridge and the bird dog — done with controlled breathing.
- Results appear after 6–8 weeks of regular training 2–3 times a week.
Core training is one of the key concepts of modern training science, covering exercises that strengthen the deep stabilizing muscles of the trunk. A well-functioning core ensures that every movement — whether running, lifting weights or simply getting up from a chair — is safe and efficient for the spine. Evidence-based studies confirm that weak support from the deep muscles is one of the main causes of chronic lower back pain.
What is core training and why does it matter?
Core training doesn’t just mean training the visible rectus abdominis muscles, the so-called six-pack. The deep core consists of four muscle groups: the transversus abdominis (the deepest abdominal muscle), the multifidus (small back muscles), the pelvic floor muscles and the diaphragm. These four muscles work together, forming an intra-abdominal pressure system that acts as a natural corset around the spine.
Research has shown that in people with lower back pain, the transversus abdominis activates significantly later at the start of a movement than in healthy people (Hodges and Richardson, 1996). This delay means the spine’s support is briefly missing — accumulating over time and promoting overuse injuries.
If you want to learn how to add variety and an extra coordination challenge to core training with a special balance board, check out the Core Board Training article.
The World Health Organization recommends that adults do at least 150–300 minutes of moderate-intensity physical activity a week, which should also include muscle-strengthening training (WHO, 2020).
How does core training stabilize the spine?
Spinal stabilization works on two levels: passive (bones and ligaments) and active (muscles and their neural control). Core training addresses active stabilization — the only kind you can influence through training.
Hides, Jull and Richardson (2001) conducted a study comparing patients who did specific stabilization exercises with a control group that received standard care. After one year, the recurrence rate of lower back pain in the group that did specific core exercises was significantly lower than in the control group (Hides et al., 2001). This shows that systematic core training doesn’t just treat the symptoms but also helps remove their cause.
A strong trunk also affects athletic performance. Kibler, Press and Sciascia (2006) explained that a strong core allows more efficient force transfer to the upper and lower limbs — the foundation of every athletic movement, from running to swimming.
You can find more information on the principles of proper abdominal muscle training in our guide.
What are the best core exercises for beginners?
Beginners should choose exercises that activate the deep muscles without placing excessive load on the spine. Willardson (2007) recommends a progressive approach: start with isolated activation exercises and gradually move on to more complex movement patterns.
1. Transversus abdominis activation
Lie on your back with your knees bent. Breathe in deeply and, as you exhale, gently draw your navel toward your spine. Hold the position for 10 seconds, repeat 10 times. This is isolated activation of the deep core muscle, and it is where physiotherapists start, too.
2. Plank
Rest on your elbows and toes — your body forms a straight line from your heels to your shoulders. Engage your core and don’t let your hips sag. Hold for 20–30 seconds. Progression: extend the time to 60 seconds across three sets.
3. Bridge (glute bridge)
Lie on your back with your knees bent and your feet on the floor. Lift your pelvis up, hold for 2 seconds at the top, then lower slowly. Repeat 15 times, 3 sets. The exercise activates both the core and the glute muscles.
4. Bird dog
Start on all fours with your back straight. Simultaneously raise your left arm and right leg until they are horizontal. Hold for 3 seconds, then switch sides. Repeat 10 times on each side. The exercise requires balance and coordinated work from the deep muscles.
These exercises complement a broader training program well — pair them with a fat-loss and training strategy for better results across your whole body.
How often should you do core training?
The optimal frequency for beginners is 2–3 times a week. You don’t need to do the exercises every day, because muscles need time to recover. Research results show that noticeable changes in muscle activation patterns appear after 6–8 weeks of systematic training (Hides et al., 2001).
One core training session can last 15–25 minutes. You can add the exercises to your warm-up or to the end of your main workout, or do them as a separate session. Consistency is what matters: occasional sessions won’t deliver lasting results.
It’s worth knowing that muscle growth and recovery are closely tied to the hormonal environment, including testosterone. You can find more on this connection in the article Testosterone and training.
What is the difference between core training and regular abdominal training?
Traditional abdominal training, such as crunches, mainly activates the rectus abdominis, the superficial abdominal muscle. Core training, by contrast, focuses on the deep stabilizing muscles, which are not visible to the eye but matter more for spinal health.
The superficial abdominal muscle is certainly noticeable aesthetically, but the key role in protecting the spine belongs to the transversus abdominis, which acts like a natural support corset. That’s why doing only traditional abdominal exercises won’t give your spine the functional protection you want — a comprehensive approach is essential.
References
- Hodges PW, Richardson CA. (1996). Inefficient muscular stabilization of the lumbar spine associated with low back pain. A motor control evaluation of transversus abdominis. Spine. 21(22):2640-50. PMID: 8961451
- Hides JA, Jull GA, Richardson CA. (2001). Long-term effects of specific stabilizing exercises for first-episode low back pain. Spine. 26(11):E243-8. PMID: 11462078
- Kibler WB, Press J, Sciascia A. (2006). The role of core stability in athletic function. Sports Medicine. 36(3):189-98. PMID: 16526831
- Willardson JM. (2007). Core stability training: applications to sports conditioning programs. Journal of Strength and Conditioning Research. 21(3):979-85. PMID: 17685697
- WHO. (2020). Physical activity fact sheet. World Health Organization. https://www.who.int/news-room/fact-sheets/detail/physical-activity
Frequently asked questions
Which muscles make up the core?
The core consists of four main muscle groups: the transversus abdominis (the deepest abdominal muscle), the multifidus (small back muscles), the pelvic floor muscles and the diaphragm. These muscles work together to keep the spine stable during everyday movements.
Do you need to do core training every day?
No. The recommended frequency is 2–3 times a week, so that your muscles have time to recover. Training every day can lead to overtraining or overuse and won’t give better results than a well-structured training week.
How long does it take for core training to show results?
Noticeable changes in muscle activation patterns and lower back well-being usually appear after 6–8 weeks of regular training, if you train 2–3 times a week.
Is the plank the best core exercise?
The plank is one of the most effective core exercises, as it activates several deep muscles at the same time. However, a well-rounded core training routine should also include other exercises, such as the bird dog, the bridge and deep abdominal muscle activation exercises.
Is core training suitable for people with lower back pain?
Yes, research shows that specific core stabilization exercises reduce the recurrence of lower back pain. If you have acute pain, it is advisable to consult a physiotherapist before starting to train on your own.
Come and train with us! ArtGym
