PAST ISSUES OF THE JOURNAL OF MANUAL AND MANIPULATIVE THERAPY
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1994 - Vol. 2, No. 3
* this issue only available in Hardcopy format
Function of the Lumbosacroiliac Complex as a Self-Compensating Force Couple With a Variable, Force-Dependent Transverse Axis: A Theoretical Analysis
Richard L. DonTigny, P.T.
Abstract: The dense ligamentous structures surrounding the sacroiliac joints preclude free movement in the joints, yet some movement persists into old age. The nature of movement and function of the sacroiliac joints is obscure. I hypothesize that these joints function as a part of the Lumbosacroiliac complex, and act as self-compensating force-couples to balance forces of gravity, weight-loading, inertia, rotation, acceleration and deceleration. These forces are accommodated in variations in tensile, ligamentous stress that is translated into compressive forces in the sacroiliac joints, which increases friction and stability, and allows increased weight-loading without shearing. This also allows storage of energy in the form of increases tensile ligamentous stress without injury of the joint. The joints appear to have both a transverse and oblique axis, the location of which is dependent upon the moment of the applied forces, which displacement of the line of gravity in the anterior pelvic support fails to maintain self-bracing and friction. The resulting lesion may mimic disc dysfunction or give the impression of a multifactorial etiology and prevents normal function of the force couple.
The Journal of Manual & Manipulative Therapy Vol. 2 No. 3 (1994), 87 - 93
Scientific-Therapeutic-Exercise-Progressions
Ola Grimsby MNFF, MNSMT
Abstract: The purpose of this article is to provide basic information about the S.T.E.P. approach to exercise. The S.T.E.P. approach is based on current research in neurophysiology, histology and exercise physiology. The S.T.E.P. method is an individually adapted approach that aims to reduce symptoms and improve functional tissue tolerance. Specific examples are given on how to dose and exercise program and how to optimally facilitate muscle fiber recruitment. S.T.E.P. represents an active alternative to traditional, passive schools of thought in modern manual therapy.
The Journal of Manual & Manipulative Therapy Vol. 2 No. 3 (1994), 94 - 101
Is the Geometry of the Lumbosacral Transition Clinically Relevant?
R.O Kissling, MD, M.F. Waldis, MD, A. Tschopp, PhD
Abstract: Men and women with isolated osteoarthritis of the disc L5/S1 (excluding transitional anomalies) were compared against corresponding group of healthy volunteers to see whether there is any geometric or statistical evidence that might constitute predisposing factors for isolated osteoarthritis of the disc L5/S1. Arithmetic means, variances, standard variations, and correlations coefficients were calculated for all the characteristics determined for the two groups. Multiple linear discriminant analysis was used to try to reproduce any classification or groupings of the characteristic bearers on the basis of their characteristics. It was found that the position of the sacrum in the pelvis and the extent of the lumbar lordosis are major predictions for the isolated osteoarthritis of the discs L5/S1. To detect a predisposition for isolated osteoarthritis L5/S1, it is thus necessary to evaluate the position of the sacrum with regard to the pelvis and the degree of lumbar lordosis (excluding that of the fifth lumbar vertebra) in the angle system. This evaluation can be preformed by measuring the dorsal inclination of the sacrum (the delta angle) and the Albrecht inclination.
The Journal of Manual & Manipulative Therapy Vol. 2 No. 3 (1994), 102 - 111
Conservative Management of the Lumbar Spinal Stenosis
Marge Steffen, M.Sc. (Physio)
Abstract: The interacting systems of the entire spine make the diagnosis and treatment of the lumbar spinal stenosis a difficult and challenging condition for the manual therapist. Not only is the aged population of patients with symptomatic spinal stenosis increasing, so is the number of younger males 30-40 years with a history of untreated sports trauma in the formative teenage years. With advanced knowledge of the condition, sophisticated investigations and manual therapy techniques conservative treatment will often afford the patient great relief from symptoms.
The Journal of Manual & Manipulative Therapy Vol. 2 No. 3 (1994), 112 - 117
* this issue only available in Hardcopy format
