Cervical Curve Correction – Caring Cervical Realignment Therapy

Caring Cervical Realignment Therapy (CCRT) or what we call “Curve Correction” combines individualized protocols to objectively document degrees of spinal instability and cervical dysstructure and re-establish normal biomechanics and encourage restoration of lordosis. Curve Correction can be a beneficial treatment in providing long-term pain relief and symptom resolution in patients looking to avoid spinal surgery or who have already failed surgery.

Treating cervical ligament weakness and starting the journey to restoring proper cervical curve.

In this video, Ross Hauser, MD and Brian Hutcheson, DC describes a case of restoring integrity of the cervical curve and alleviation of symptoms caused by cervical dysstructure.

Summary transcript

At 0:15 of the video, Dr. Hauser and Dr. Hutcheson discuss a patient case. The patient was a family man. Very active, loved to lift weights

He started to develop symptoms of

His job also required him to be on the computer and his neck problems made it difficult for him to work.

We treated this patient with Prolotherapy injections. Prolotherapy is a non-surgical treatment designed to strengthen the cervical ligaments of the neck. The treatment is explained below.


In this image from the video, Dr. Hauser shows the end result of treatment, a restored cervical spinal curve.

At 1:28 of the video Dr. Hutcheson explains

The weight of your head, why it feels like you cannot hold your head up

In this image adapted from The Physiology of the Joints, volume III 6th Edition I. A. Kapandji MD, we see that if your have head forward of 2 inches of your center of gravity you head feels like it weights 32 pounds. Three inches forward your head feels like it weighs 42 pounds.

At 2:10 of the video: In this image adapted from The Physiology of the Joints, Volume III 6th Edition I. A. Kapandji MD, we see that if your have head forward of 2 inches of your center of gravity your head feels like it weighs 32 pounds. Three inches forward your head feels like it weighs 42 pounds.

Caring Cervical Realignment Therapy: Goals

  1. Restoration of long-term spinal stability
  2. Re-establish more normal cervical structural forces

Caring Cervical Realignment Therapy: Theoretical Basis

For many years, Dr. Hauser and the Prolotherapists at Caring Medical have had tremendous success treating patients who were suffering from chronic neck pain. Though most of the cases were already failures in the traditional pain management system, Dr. Hauser’s team was able to help the majority of these tough pain cases. In some patients, though, symptoms would return. Through extensive research and patient data analysis, it became clear that in order for patients to obtain long-term success (approximately 90% relief of symptoms) the re-establishment of some lordosis in their cervical spine is necessary. Once spinal stabilization was achieved with Prolotherapy and the normalization of cervical forces by restoring some lordosis, lasting relief of symptoms was highly probable.

Scientific Rationale for Curve Correction

The importance of the C-curve

We are upright beings and an enormous gravitation force transmits the weight of the body from our head into our spine and peripheral joints. The force at any one time in our joints can be many times our body weight. The normal spinal curves (cervical and lumbar lordosis and thoracic kyphosis) allow the spine to handle 20-30 times the forces that could be handled if the human spine was completely straight (called a military spine).  (See Figure 1.) The normal cervical spine looks like a “C” and this position is called lordosis. This curve is essential! When a person loses this curve, the forces can increase 5-10 times on structures such as the facet joints and cervical discs.1 Increasing the force per unit area on the various structures in the neck accelerates their breakdown and leads to spinal degeneration with a variety of disabling symptoms.

Neck ligament creep Figure 2.

Modern life can ruin our normal C-curve!

The normal cervical lordotic curve is approximately 43 degrees measured from C2 to C7. This puts the plumb line of force behind the cervical spine, whereas a loss of lordosis and forward head posture puts it in front of the spine. The loss of the natural curve of the cervical spine, along with flexing of the head (forward head posture) leads to incrementally increased stresses about the cervical spine.2 Just flexing the head forward looking at computer screen takes 3-5 times more force than is required to maintain the head still with straight standing posture.3 (See Figure 2.) This structural forward position of the head away from the centerline of the body causes the lower cervical vertebrae to go into the flexed posture and the upper cervical vertebrae to be extended which can be a contributing factor to upper cervical instability. These stresses lead to early wear, tear, and degeneration of the structures of the neck. Smartphone and computer use are a leading cause of these changes, but the primary cause is ligament injury from trauma due to a car accident or other whiplash-type injuries! (See Figure 3.)

Whiplash injury Figure 3.

Ligament damage is the primary cause of spinal instability

While the lower back has the large, strong core musculature to help with spinal stabilization the cervical spine does not, it relies anteriorly on the intervertebral discs and posteriorly by the posterior ligament complexes. The exception to this is the upper cervical spine (C0-C2) which has no anterior disc support and whose sole structures for stability are the upper cervical ligaments. Of particular importance are the capsular ligaments that surround the facet joints that control much of cervical spinal motion.4 When the ligaments overstretch and/or tear from whiplash injury or creep (the slow stretching of ligaments over time, such as from forward head posture), spinal motion is excessive, risking injury to the spinal cord or nerves. A person is said to have spinal instability when nerve function is affected because of the excessive vertebral motions.

Cervical instability

Cervical Instability: the missing link in almost all painful head and neck conditions

Cervical instability is associated with numerous medical conditions, including Whiplash-Associated Disorder and Post-Concussion Syndrome, and can produce a myriad of disabling symptoms. (See Figure 4.) As a protective mechanism, the body attempts to limit the excessive motion and further injury to the spinal cord and nerves by swelling the facets joints or recruiting muscles. Since cervical muscles are so small, they fatigue easily. These fatigued muscles then cause significant pain, making a person complain of a “stiff, tight neck.” As the ligament injury continues, cervical vertebrae then sublux, or move, anteriorly causing a straightening (military spine) of the cervical spine. Without proper treatment, ligament injuries allow the permanent straightening and, eventually, the reversal of the cervical curve (kyphosis). (See Figure 5.)

The Horrific Progression of Neck Degeneration with Unresolved Cervical Instability Figure 5. The Horrific Progression of Neck Degeneration with Unresolved Cervical Instability. Cervical instability is a progressive disorder causing a normal lordotic curve to end up as an “S” or “Snake” curve with crippling degeneration

This lower cervical kyphosis, or flexion, typically has an apex at the C4-C5 disc. Lower cervical kyphosis then causes the upper cervical vertebrae to go into extension as the neck attempts to keep a person’s eyes facing forward (versus downward).5 This is termed an “S” curve. The hyperextension force on the upper cervical vertebrae can be a contributing factor to C1-C2 instability (atlanto-axial instability). Dysfunctional cervical alignments are a significant risk factor for accelerated cervical spinal degeneration and disability.6 The body’s last response to limit destructive spinal joint forces is to cause the overgrowth of bone (spurs). (See Figure 6.)

Cervical bone spur MRI

Resolving Chronic Neck and Headache Pain and Other Disabling Symptoms with Prolotherapy and Curve Correction

When the force per unit area becomes greater than the strength of the tissue, the results are tissue injury and pain. (See Figure 7.) Since joint instability is the cause of almost all chronic pain,7 curing chronic pain involves tightening the loose joints by stimulating the appropriate ligaments to tighten, and then resolving the destructive joint forces. The destructive joint forces occur in the cervical spine because of a loss of the normal curve and the ligament laxity which initiated and is perpetuating the condition. As the tissue weakens further, destructive joint motions are produced every time the joint is used, creating a vicious cycle of worsening joint destruction and pain.

Stress force per unit area Figure 7.


Steps for CCRT:

  1. Objectively document cervical spinal instability by motion x-ray (fluoroscopic) scanning. (See Figure 8.)
  2. Establish spinal stability by ligament tightening through Prolotherapy (may include Platelet Rich Plasma or Stem Cell therapy).
  3. Limit specific spinal forces to allow ligament tightening during the initial treatment course.
  4. Attain more normal biomechanics of the cervical spine by improving spinal curves and restoring lordosis in order to reduce long-term cervical forces.

A Typical Caring Medical Patient Protocol

When cervical instability is suspected as the culprit for the person’s condition a digital motion x-ray (DMX) is performed. A common finding is instability from C1-C5 and restriction or fusion from bone spurs from C5-C7, along with kyphosis or reversal of the normal cervical curve (See Figure 9.) Together with the medical history and physical exam, DMX provides valuable insight for developing the treatment protocol.

Cervical instability on DMX

An individualized treatment protocol may include the following:

The treatment regimen is continued until the person can do all desired activities with minimal symptoms and spinal curve kinematics (curve) are improved.

before after cervical weights

Cervical weights improve alignment

Individualized cervical weight protocols are prescribed during Curve Correction. These weights help postural distortions by placing appropriate forces onto the neck to change alignment.8 The weights can include the use of anterior or posterior head weight and/or an anterior chest weight. (See Figure 10.) The vector of force is determined by the motion scanning and lateral x-rays. The more rigid the spine the more weight that is required and for a longer period of time. Many of Caring Medical patients work up to using the weights 30 minutes per day but may start out with just one minute per day. Patients are instructed on the use of the weights and monitored by periodic x-rays/motion scans as well as symptom resolution to make sure the regime is successfully improving the patient’s cervical curve.

Caring Cervical Realignment Therapy (CCRT) weight protocol Figure 10.


  1. Harrison DE, Harrison DD, Janik TJ. Comparison of axial and flexural stresses in lordosis and three buckled modes of the cervical spine. Clin Biomech 2001;16(4):276-284.
  2. Hansraj, KK. Assessment of stresses in the cervical spine caused by posture and position of the head. Surgical Technology International XXV. 277-279.
  3. Park SY, Yoo WG. Effects of sustained computer work on upper cervical flexion motion. J Phys Ther Sci. 2014;26:441-442.
  4. Steilen D, Hauser R, Woldin B, Sawyer S. Chronic neck pain: making the connection between capsular ligament laxity and cervical instability.  The Open Orthopaedics Journal. 2014;8:326-345.
  5. Sherekar SK, Yadav YR, Basoor AS. Clinical implications of alignment of the upper and lower cervical spine. Neurology India. 2006;54:263-267.
  6. Scheer JK, Tang JA, Smith JS. Cervical spine alignment, sagittal deformity, and clinical implications. A review. Journal of Neurosurgery: Spine. 2013;19:141-159.
  7. Hauser RA, Blakemore PJ, Wang J, Steilen D. Structural basis of joint instability as cause for chronic musculoskeletal pain and its successful treatment with regenerative injection therapy (Prolotherapy). The Open Pain Journal. 2014;7:9-22.
  8. Saunders ES, Woggon D, Cohen C, Robinson DH. Improvement of cervical lordosis and reduction of forward head posture with anterior head weighting and proprioceptive balancing protocols. J Vertebral Subluxation Res. 2003; April 27:1-5.

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