PAST ISSUES OF THE JOURNAL OF MANUAL AND MANIPULATIVE THERAPY
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1996 - Vol. 4, No. 1
* this issue only available in Hardcopy format
Electromygrapphic Activity of the Vastus Medialis Oblique and Vastus Lateralis Muscles During Selected Exercises
Tyler Cuddeford MS, PT, Ann K Williams, PT, PhD, John M. Medeiros, PT, PhD
Abstract: The purpose of this study was to determine if the vastus medialis oblique:vastus lateralis (VMO:VL) integrated electromyographic (IEMG) ratios differed between selected exercises. The EMG activity of the VMO and VL muscles were measured in 54 normal subjects during various exercises. Subjects ranged in age from 15 - 49 years (X=27.5, SD=7.0). The exercises included: 1. stationary bike (BK) 2. single leg 1/4 squat (SQ) 3. bench step (BS) 4. quad settings (QS) 5. short arc quad (SAQ) 6. straight leg raise (SLR). The results showed that there was a significant increase in the integrated EMG (IEMG) VMO:VL ratios during the BK, SQ and the BS when compared to the QS, SLR, or SAQ. There was also a significant increase in the IEMG VMO:VL ratios for the combined closed chain exercises when compared to the combined open chain exercises. These results suggested that there may be exercises that can be prescribed that are more beneficial in selectively activating the VMO. This information will assist physical therapists in presenting the most optional exercise for their clients.
The Journal of Manual & Manipulative Therapy Vol. 4 No.1 (1996 ), 10 - 15
Cervical Spine Sensitizing Maneuvers During the Slump Test
Constance Fidel, PT, Grad Dip Manip Ther, Elizebeth Martin, PT, Grad Dip Manip Ther, Wim Dankaerts, Grad Dip Manip Ther, Garry Allison, BappSc(Hon) Bed(Hon)Med Phd, Toby Hall, Grad Dip Manip Ther,
Abstract: Neural tissue provocation testing of the upper and lower limbs involves cervical spine sensitizing maneuvers, and treatment of neural tissue disorders includes repeated mobilizations of a test component. The effects of cervical spine sensitizing maneuvers and repeated knee extension mobilization in the slump position have not been evaluated. Asymptomatic subjects (n=27) ages 21 to 55, were randomly assigned to two groups based on initial cervical spine position. Using a cross-over design, the angle of right knee extension at the onset/limits of pain (p1/P2) was determined before and after ten passive knee extensions at 10 degrees/second to P2. Hamstring muscle activity was recorded during the ten repetitions. The results indicate (p<0.05)1) cervical spine sensitizing maneuvers during the slump test have an effect on the measured angle of knee extension and 2) the angle of the knee extension at P1 and P2 significantly decreased following mobilization.
The Journal of Manual & Manipulative Therapy Vol. 4 No.1 (1996 ), 16 - 21
Instability of the Sacroiliac Joint and the Consequences to Gait
Diane Lee, BSR COMP
Abstract: There are two mechanisms whereby stability of the pelvic girdle is achieved. The form closure mechanism relies on the integrity of the bones, joints and ligaments. The force closure mechanism requires an optimal myofascial system. Specific tests of passive accessory joint mobility and linear translation tests for stability differentiate the loss of form closure from the loss of force closure.
The Journal of Manual & Manipulative Therapy Vol. 4 No.1 (1996 ), 22 - 29
Peer Assessment of a Practical Skill in Undergraduate Students of Philosophy
Maureen Maxwell, MA, BA (Hons), MCSP, SRP, DipTp, Cert Ed(FE), DipCO
Abstract: There is increasing awareness of the value of peer tutoring and peer assessment in higher education courses. In this study the role play situation of the student was investigated regarding the application and effectiveness of spinal mobilization techniques according to the maitland school of manipulative practice prior to experience in the clinical environment. The purpose was to ascertain if students could assess and report upon the application of techniques, comfort and grades of technique prior to application to a patient. The results show that peer assessment in this particular skill area is a useful educational tool in year 3 of an undergraduate course in philosophy where students have minimal previous clinical experience.
The Journal of Manual & Manipulative Therapy Vol. 4 No.1 (1996 ), 30 - 34
* this issue only available in Hardcopy format
