How Your Spine and Pelvis Shape Your Posture
- Dominique Posillico
- Nov 30, 2025
- 2 min read
The Foundations of have a Strong, Healthy Posture
The pelvis plays a central role in the lower body because it connects the spine to the legs. The lower portion of the spine is naturally wider and stronger, designed to handle more load—especially where it meets the pelvis. This connection happens at the sacroiliac (SI) joints, which are key to creating stability throughout the entire body. When the pelvis moves outside its ideal range, those joints can become stressed, leading to instability, discomfort, or injury.
Although the pelvis is capable of movement, it can only tilt a small number of degrees in either direction before compromising the SI joints. There are three primary ways the pelvis can tilt:
Anterior Pelvic Tilt
This occurs when the front of the pelvis tips forward and down while the back of the pelvis lifts. This position often makes the belly and butt appear to “stick out.” It can create constant engagement in the lower back while weakening the glutes and hamstrings, disrupting overall alignment.
Posterior Pelvic Tilt
A posterior tilt is the opposite: the back of the pelvis tucks under and moves downward while the front lifts. This position often makes the hips look “scooped” and can create constant engagement in the core muscles while weakening the lower back, leading to tightness or fatigue.
Lateral Pelvic Tilt
A lateral tilt happens when one side of the pelvis sits higher than the other, creating imbalance from left to right. This can affect gait, hip stability, and load distribution through the SI joints.
Why Neutral Pelvis Matters
The most functional and sustainable position is neutral pelvis—a balanced alignment where the pelvis isn't tilted and tipped forward, backward, or side to side. In this position, pressure on the spine is reduced, the SI joints are protected, and the surrounding muscles can work efficiently. Neutral alignment supports better movement quality, strength, and long-term injury prevention.
Ready to improve your posture and movement?
If you’re unsure whether your pelvis is in a neutral position or want help correcting imbalances, book a consult call with me. Together we’ll identify what your body needs to move, feel, and function at its best!
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