
The psoas muscle is a long muscle found in the abdomen, extending through the gut and wrapping around the pelvis, connecting to the femur bone. It is the only muscle that connects the spine and legs, and it plays a crucial role in supporting the skeleton and facilitating movement. A tight psoas muscle can lead to various issues, including gut problems and digestive issues. This occurs because the psoas muscle comes into close contact with many organs in the digestive tract, and its tightness can cause inflammation, limit space in the abdominal cavity, and affect breathing, ultimately impacting digestion and causing discomfort.
| Characteristics | Values |
|---|---|
| Location | Lower lumbar region of the spine |
| Function | Supports skeleton, stabilises spine, enables hip flexion, stimulates fight-or-flight response, supports digestive organs, impacts breathing |
| Related Issues | Low back pain, hip pain, pelvic pain, abdominal pain, constipation, bloating, indigestion, fertility issues, menstrual pain, chronic stress, shallow breathing, physical and emotional exhaustion, leg pain, knee pain, shoulder pain, foot pain |
| Relief Techniques | Self-massage, heat therapy, yoga, stretching, warming up before exercise, improving flexibility, sauna |
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What You'll Learn

The psoas muscle's role in the body
The psoas muscle is a long muscle found at the back of the abdomen, extending through the gut and wrapping around the pelvis to connect with the femur bone. It is the only muscle that crosses the upper and lower body, and it has a major role in supporting the skeleton and enabling movement.
The psoas muscle is a core muscle that helps the body perform motions that use the abdomen and legs simultaneously. It works with other muscles to stabilize posture and move the hips and upper legs. Its functions include:
- Holding the lower back still when sitting down
- Pulling the abdomen up from a prone position
- Helping to flex and move the hips when standing or lying down
- Lifting the upper legs, enabling actions such as walking and climbing stairs
- Stabilizing the top of the femur when moving the hips
The psoas muscle also plays a role in stimulating the body's fight-or-flight response and protecting the organs of the digestive tract. It is involved in the quality of breathing and can impact fertility in women due to its proximity to the ovaries.
A tight psoas muscle can cause a variety of issues in the body. It can lead to inflammation, limiting space in the abdominal cavity and impacting the body's ability to absorb food and eliminate waste, resulting in gut motility issues and indigestion. A tight psoas muscle can also cause low back pain, hip pain, pelvic pain, and leg pain. It can contribute to chronic stress and impact breathing due to its connection to the diaphragm.
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How a tight psoas muscle causes gut tension
The psoas muscle is a long muscle found in the abdomen, extending through the gut on both sides, wrapping around the pelvis and connecting with the femur bone. It is the only muscle that connects the spine and legs, and it plays a major role in supporting the skeleton and stabilising the spine.
When the psoas muscle is tight, it can cause a variety of issues. A shortened psoas limits space in the abdominal cavity, constricting organs and nerves, and affecting breathing. This can cause gut tension and constipation, and impact toxin release. A tight psoas can also cause a thrusting forward of the ribcage, which encourages shallow breathing and overusage of the neck muscles.
The psoas muscle is closely connected to the digestive system, and a tight psoas can cause inflammation that limits space in the stomach and shortens the torso. This can negatively impact the body's ability to absorb food and eliminate waste, reducing gut motility and causing indigestion.
A tight psoas can also cause emotional issues. The psoas is connected to the body's fight-or-flight response, and chronic stress can cause the muscle to tighten. This can lead to a loss of connection between the body and mind, and emotional trauma can be stored in the psoas, causing chronic pain.
It is important to address a tight psoas muscle to prevent gut tension and other related issues. Treatment options include rest, physical therapy, and stretching and warming up before exercise.
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The link between the psoas muscle and stress
The psoas muscle is a large muscle connecting the back, legs, and pelvis. It is the only muscle that connects the spine to the legs, and it is involved in bodily movements such as bending over, lifting our legs, and walking. It also plays a role in stabilising the lower back and protecting the organs in the digestive tract.
The psoas muscle is closely linked to the body's stress response. It is the main muscle involved in the fight-or-flight response, which is activated during stressful scenarios. When faced with stress, the psoas muscle responds by tensing and shortening in preparation for the body to run or fight. This is useful in emergencies, but when exposed to consistent low-level stress, the psoas muscle can remain tightened for extended periods. This prolonged state of tension can lead to various issues, including lower back pain, impaired breathing, and digestive problems.
Chronic stress can cause the psoas muscle to tighten, and this tightness can, in turn, send signals of danger to the brain, leading to increased stress and anxiety. This creates a cycle of stress and muscle tension that can be challenging to break. Additionally, the psoas muscle may play a role in holding onto trauma, and emotional trauma can contribute to muscle tension and chronic pain.
To address a tight psoas muscle and its associated stress, various techniques can be employed, including stretching, strengthening, and relaxing the muscle. Gentle movements like yoga poses, self-massage tools, and targeted pressure release through foam rolling or massage guns can help release muscle tension. Heat therapy and cold therapy can also be beneficial in reducing muscle tension and improving blood flow.
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Psoas syndrome and its symptoms
Psoas syndrome is a condition that affects the psoas muscle, a key muscle located in the lower back and pelvis. This muscle is involved in various bodily functions, such as hip flexion, lumbar spine stabilization, and posture maintenance. Psoas syndrome is characterised by pain and dysfunction of the psoas or iliopsoas muscle group due to irritation, inflammation, or injury.
The psoas muscle is often referred to as the "muscle of the soul" because it is believed to store emotional tension. Stress and chronic anxiety can lead to muscle tension and tightening of the psoas muscle, which may worsen existing issues. Individuals with psoas syndrome may experience a range of symptoms that negatively impact their quality of life.
The most common symptom is lower back pain, often described as a deep, aching sensation that can be exacerbated by prolonged sitting or standing, making daily activities challenging. This pain may also radiate to the buttocks, pelvis, or lower back. In addition, individuals may experience tightness or discomfort in the groin area, which may be mistaken for a hip issue but is often related to the psoas muscle.
Other symptoms of psoas syndrome can include gut problems, such as constipation, bloating, gas, and indigestion. A tight psoas muscle can limit space in the abdominal cavity, constricting organs and impacting digestion. It can also cause diaphragmatic breathing issues by compressing organs and affecting breathing quality.
In females, the psoas muscle is situated close to the ovaries, and stress signals can impact hormones, fertility, and menstrual pain. Psoas syndrome can be treated with osteopathic manipulative therapy, therapeutic ultrasound, corticosteroid injections, and, in severe cases, surgical release of the psoas tendon.
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How to relieve a tight psoas muscle
A tight psoas muscle can cause a lot of discomfort, including gut issues, back pain, hip pain, and even fertility issues. The good news is that there are several ways to relieve a tight psoas muscle. Here are some techniques to help you find relief:
Stretching
Stretching is a commonly recommended method to relieve a tight psoas muscle. Some specific stretches that target the psoas muscle include:
- Kneeling lunge: Begin in a half-kneeling position with your front foot flat on the floor and the knee and ankle in a straight line. Form a 90-degree angle with your front leg. For your back leg, ensure the knee and shin are touching the floor, and the knee and hip are in a straight line. Shift your weight forward by pushing your hips forward and squeeze the glute of your back leg. Hold this position for 30 seconds, then repeat on the other side.
- Prone quad stretch: This stretch targets the hip flexors, including the psoas muscle.
- Lengthening psoas stretch: Reach long from your back foot to your fingertips and breathe. Switch sides and repeat.
Yoga
Yoga is another effective way to stretch and relax the psoas muscle. Yoga With Adriene has a specific video for yoga poses that target the psoas muscle.
Self-Massage Tools
Self-massage tools, such as the PSO-RITE® deep tissue self-massage tool, can be extremely beneficial for releasing muscle tension and improving flexibility. Self-massage allows you to focus on specific areas of discomfort.
Heat Therapy
Heat therapy, or hyperthermia, is a technique that involves applying heat to the affected area. This can be achieved through methods such as saunas or heat pads. Heat therapy dilates blood vessels, increases blood flow and circulation, and helps relax tight muscles, providing pain relief.
Clinical Somatics
Clinical Somatics is a technique that involves practicing specific exercises daily to release built-up tension in the psoas muscle. This method has been known to show significant improvements in reducing back pain and improving hip alignment.
It is important to note that while stretching is commonly recommended, some sources suggest that static stretching may not be effective in releasing involuntary muscle contractions in the psoas. Therefore, a combination of the above-mentioned techniques might be beneficial for relieving a tight psoas muscle.
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Frequently asked questions
The psoas muscle is a long muscle found in the back of your abdomen, extending through your gut on both sides, wrapping around the pelvis and connecting with your femur bone.
A tight psoas muscle can cause gut tension and constipation, and less toxin release. This is because a shortened psoas limits space in the abdominal cavity, constricting your organs, compressing your nerves, and affecting your diaphragmatic breathing.
Symptoms of a tight psoas muscle include lower back pain, hip pain, difficulty standing up straight, limited hip mobility, and abdominal cramping or bloating.






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