Correction of Low Back Pain From Sacroiliac Malrotation With a Simple in Home Exercise

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

62 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-11-28

Study Completion Date

2020-09-11

Brief Summary

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60 participants with low back pain will be examined to determine the direction and extent of sacroiliac malrotation. If malrotation exists, they will be randomized to 3 treatment groups: 1 will be taught how to use their thigh to push the anterior superior iliac spine (ASIS) backwards for an anterior malrotation and their sartorius and rectus femoris to pull their ASIS and anterior inferior iliac spine (AIIS) forward for a posterior malrotation. 2: will be given a pelvic stabilization belt. 3: will return in one month. At the second visit at one month all participants will be treated with both exercise and belt. They will be reassessed at the third visit one month later: the scores for immediate and delayed treatment groups will be compared. Their response to these exercises and/or the pelvic belt will be tested at the first second and third visits, using the brief pain inventory pain, the Oswestry disability scores and the distance between the (posterior superior iliac spine) (PSIS) levels, filled out at every contact. Their satisfaction with previous treatments used will be compared to their satisfaction when using the exercise and belt.

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Detailed Description

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Potential participants with low back pain will answer a questionnaire to eliminate lumbar or hip pathology, ankylosing spondylitis or major leg length discrepancy as cause. If they state they do not have these, they will be given an appointment to be assessed to eliminate the presence of these conditions and to determine if they suffer from sacroiliac malrotation. To this effect, the sacroiliac forward flexion test (SIFFT) will be done: leaning on a counter with their body horizontal to tilt the pelvis forward and lower the sacrum and their legs vertical to push the innominate bones upwards via the hip joints, to expose the posterior superior iliac spines (PSISs). Pressure below the PSISs will be used to assess their inferior limits which will be marked and their levels assessed using a carpenter's level. The distance between the PSIS levels will be recorded. If there is tenderness under the higher PSIS, the ilium is malrotated anteriorly on the sacrum. If the area under the lower PSIS is tender, the ilium is malrotated posteriorly on the sacrum.

Participants are then randomized into three groups: group 1 is taught how to assess the direction of the malrotation, then how to perform the appropriate corrective exercise:

* With the foot of the anteriorly rotated side and the knee on the posteriorly rotated side on the floor, hands on the floor on either side of the foot, the participant leans forward hard to push his anteriorly rotated ilium posteriorly with his thigh and stretches the opposite thigh posteriorly to pull the posteriorly rotated ilium forward.
* Anterior malrotation can also be corrected by placing the foot on the malrotated side on a chair seat, flexing the other knee to touch the seat edge and pulling with both hands up on the seat while leaning back, to drive the thigh against the anterior superior iliac spine (ASIS), thus pushing it backwards.
* If unable to do these, participants can lie supine on the table, thigh on the posterior side extended. On the anterior side the knee is flexed and the foot is on the assistant's sternum as he/she leans forward, pushing the thigh against the ASIS. Downward pressure on the sartorius and rectus femoris just above the knee causes the ASIS and the anterior inferior iliac spine (AIIS) to be pulled on, rotating the ilium anteriorly.

Each position is held for 2 minutes, with up to 2 repetitions as needed. At home, the procedure is repeated as needed for pain relief.

Group 2 are given a pelvic stabilization belt and taught how to apply it: tightly around the pelvis below the anterior superior iliac spines (ASISs), to stabilize the sacroiliac joints as malrotation occurs as a result of pelvic instability. The belt is used for activities known to cause back pain.

Group 3 are instructed to continue their usual treatments and given an appointment to return one month later to receive instruction for the exercise and given the belt At 1 month all are reassessed. Group 1: use and effectiveness of the exercises is recorded and they are given the belt. Group 2: use and effectiveness of the belt is recorded and they are taught how to examine and correct their sacroiliac joints. Group 3: use and satisfaction with their current treatment is recorded. They are then taught the examination and corresponding exercise and given the belt.

At 2 months, when all participants have used both treatments for one month, all are reassessed.

Data collected includes:

at the first visit: Diagnoses associated with low back pain: lumbar spondylosis, hip arthritis, hypermobility, leg length discrepancy.

Conditions associated with sacroiliac malrotation, tendinitis of sacroiliac joint stabilizer muscles and lateral femoral cutaneous neuropathy. Muscle insertions tested include quadratus lumborum, gluteus medius and minimus, piriformis, iliopsoas, biceps femoris, semimembranosus and semitendinosus.

At all visits:

Brief pain inventory pain severity (BPI PS), the Oswestry low-back disability scores (ODI) and the distance in centimetres between the posterior superior iliac spine levels from the SIFFT test (PSISL), at intake, one month and two months visits. Together with the following:

Use of pain medications alcohol and marijuana Use and satisfaction with other treatments for back pain relief (physiotherapy, acupuncture, yoga, core exercises, chiropractor, massage).

Position of the malrotated sacroiliac joint or joints. Distance in centimetres between the levels of the PSISs before and after the corrective exercise. (Visits 2 and 3 for all, visits 1, 2, 3 for group 1) Numeric rating scale pain score after the corrective exercise. Use of and satisfaction with the SI corrective exercise at first visit for group 1 and at the second and third visit for all.

Use of and satisfaction with the pelvic belt at the first visit for group 2 and at the second and third visits for all.

Conditions

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Sacroiliac Strain Low Back Pain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Of all the patients with low back pain, those with sacroiliac malrotation will be randomized to: group 1 an exercise to correct the malrotation, group 2 given a pelvic belt to stabilize the sacroiliac joints, group 3: use of usual treatment and treatment with the belt and exercise one month later. The degree of pain relief and improved function between the first visit and the second visit one month later will be assessed.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Immediate corrective exercises

At this visit, participants will be examined as described in the protocol and given an exercise to correct their sacroiliac malrotation. They will use this exercise as needed for pain control. They will be reassessed one month later.

At that time they will be given the pelvic support belt and the concurrent use of both treatments will be assessed at their last visit one month after that.

Group Type EXPERIMENTAL

Immediate corrective exercises

Intervention Type PROCEDURE

The sacroiliac forward flexion test (SIFFT) finds the position of each innominate bone. Subjects learn 1 of 3 exercises. To correct anterior rotation, flex the thigh hard against the ilium, pushing it backwards. To correct posterior rotation, hyperextend the thigh to pull the ilium forward. 1.Genuflect, anterior foot and posterior knee on the floor hands on the floor on either side of the foot, sliding the knee backwards to hyperextend the thigh. 2. Supine, anterior foot on an assistant's sternum, posterior thigh hyperextended. Assistant leans forward, forcing the anterior thigh against the ilium and pushing down on the posterior thigh. 3. For anterior rotation alone: anterior foot on a chair seat, pulling up hard with both hands, leaning back, forcing the thigh against the ilium. Hold position for 2 minutes. Use as needed for pain control. They are reassessed one month later when they receive the pelvic support belt. Both treatments used together will be assessed one month after.

Immediate use of pelvic support belt

Participants will be given a pelvic support belt to stabilize their pelvis. They will use this belt for activities likely to precipitate back pain. They will be reassessed one month later.

At that time they will be given the exercises and the concurrent use of both treatments will be assessed at their last visit one month after that.

Group Type EXPERIMENTAL

Immediate use of pelvic support belt

Intervention Type DEVICE

Participants will be given a pelvic support belt to stabilize their sacroiliac joints. The belt is fitted tightly around the pelvis, over the sacrum and below the anterior superior iliac spines (ASISs) to prevent opening the joint. (The upper part of the innominate bones flares out so pushing them inwards will move the lower part outwards, away from the sacrum, opening the sacroiliac joints, increasing their instability). They will use this belt for activities which have in the past precipitated back pain. They will be reassessed one month later.

At that time they will be given the exercises to correct their sacroiliac malrotation and the concurrent use of both treatments will be assessed at their last visit one month later.

Delayed treatment

These participants will continue using their current therapies to deal with their low back pain for one month prior to being scheduled for a treatment visit. At the treatment visit, one month later they will be given both the exercise and the belt.

The concurrent use of both treatments will be assessed at their last visit one month after that.

Group Type ACTIVE_COMPARATOR

Delayed treatment

Intervention Type OTHER

Participants will continue the treatments they are currently using to relieve their low back pain for one month. At their one-month visit, they will be taught how to assess the direction of sacroiliac malrotation and how to do the corrective exercise. They will also be fitted for a pelvic stabilization belt.

Interventions

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Immediate corrective exercises

The sacroiliac forward flexion test (SIFFT) finds the position of each innominate bone. Subjects learn 1 of 3 exercises. To correct anterior rotation, flex the thigh hard against the ilium, pushing it backwards. To correct posterior rotation, hyperextend the thigh to pull the ilium forward. 1.Genuflect, anterior foot and posterior knee on the floor hands on the floor on either side of the foot, sliding the knee backwards to hyperextend the thigh. 2. Supine, anterior foot on an assistant's sternum, posterior thigh hyperextended. Assistant leans forward, forcing the anterior thigh against the ilium and pushing down on the posterior thigh. 3. For anterior rotation alone: anterior foot on a chair seat, pulling up hard with both hands, leaning back, forcing the thigh against the ilium. Hold position for 2 minutes. Use as needed for pain control. They are reassessed one month later when they receive the pelvic support belt. Both treatments used together will be assessed one month after.

Intervention Type PROCEDURE

Immediate use of pelvic support belt

Participants will be given a pelvic support belt to stabilize their sacroiliac joints. The belt is fitted tightly around the pelvis, over the sacrum and below the anterior superior iliac spines (ASISs) to prevent opening the joint. (The upper part of the innominate bones flares out so pushing them inwards will move the lower part outwards, away from the sacrum, opening the sacroiliac joints, increasing their instability). They will use this belt for activities which have in the past precipitated back pain. They will be reassessed one month later.

At that time they will be given the exercises to correct their sacroiliac malrotation and the concurrent use of both treatments will be assessed at their last visit one month later.

Intervention Type DEVICE

Delayed treatment

Participants will continue the treatments they are currently using to relieve their low back pain for one month. At their one-month visit, they will be taught how to assess the direction of sacroiliac malrotation and how to do the corrective exercise. They will also be fitted for a pelvic stabilization belt.

Intervention Type OTHER

Other Intervention Names

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Immediate use of sacroiliac corrective exercises Serola pelvic support belt One month delay prior to receiving sacroiliac corrective exercises and pelvic support belt

Eligibility Criteria

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Inclusion Criteria

* Age 19 to 90
* Participants present with pain in their low back (below the waist) or their buttocks.
* Able to attend all 3 study visits at the participating physician's office.
* Able to attend at least the first two visits with someone willing to assist them in assessing their back and help them with the necessary exercise if need be.
* Willing to perform the corrective exercise and or wear the sacroiliac stabilization belt at home as needed
* Their posterior superior iliac spines (PSISs) are not level on initial examination.
* The long dorsal sacroiliac ligament below at least one of the (PSISs) is tender to palpation on initial examination.

Exclusion Criteria

* Pain experienced is lumbar in origin
* Pain secondary to hip or other pathology
* PSISs are level at initial examination
* No tenderness to pressure under the PSISs
* Severe pain elsewhere in the body, making the assessment of back pain difficult.
* Presence of ankylosing spondylitis (seen on x-ray, pain worse at night, relieved by exercise, abnormal C reactive protein (CRP) or erythrocyte sedimentation rate (ESR)
* Obvious leg length discrepancy (\> 1 ½ cm) when measured umbilicus to medial malleolus.
* Location of PSISs cannot be assessed accurately due to back mice or obesity.

Minimum Eligible Age

19 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes