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THE CONSTRAINING EFFECT OF THE LATERAL FEMORAL INTERMUSCULAR SEPTUM ON PASSIVE HIP ADDUCTION IN UN-EMBALMED CADAVERS.
Int J Sports Phys Ther. 2020 Feb; 15(1):42-52.IJ

Abstract

Background

Due to the lack of verifiable iliotibial band elongation in response to stretching, the anatomical, biomechanical, and physiological responses to treatment of iliotibial band syndrome remain unclear. The lateral intermuscular septum, consisting of multiple myofibroblasts, firmly anchors the iliotibial band to the femur.

Purpose and Hypothesis

The purpose of this in-situ study was to examine the constraining effect of the lateral intermuscular septum on available passive hip adduction range of motion in un-embalmed cadavers. It was hypothesized that an iliotibial band-septum-complex release would significantly increase passive hip adduction.

Design

Within-specimen repeated measures in-situ design.

Setting

Anatomy laboratory.

Methods

Metal markers were inserted into selected anatomical landmarks in eleven (11) un-embalmed human cadavers. With the specimen supine, the test-side lower limb was passively adducted until maximum passive hip adduction was reached. This movement was repeated three times each within two conditions: (1) band-septum-complex intact and (2) band-septum-complex dissected. Digital video of marker displacement was captured throughout each trial. Still images from a start and an end position were extracted from each video sequence. A custom Matlab program was used to calculate frontal plane hip adduction angle changes from obtained images.

Results

Mean change in passive hip adduction after band-septum-complex release was -0.3 ° (SD 1.6 °;95% CI: -1.33,0.76). A paired samples t-test revealed a non-significant difference (t=-.611; p=.555) in passive hip adduction for the band-septum-dissected condition (18.8 ± 3.9 °) versus the band-septum-intact condition (18.5 °±4.7 °).

Conclusion

The lateral intermuscular septum does not appear to have a constraining effect on passive hip adduction in un-embalmed cadavers. Future research should evaluate the constraining effect of other selected tissues and conditions on hip adduction. Furthermore, inflammatory, metabolic, viscoelastic, and sensorimotor control properties within the iliotibial band in response to stretching should be investigated.

Level of Evidence

3.

Authors+Show Affiliations

No affiliation info availableCenter for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.Tufts University School of Medicine, Medford, MA, USA.No affiliation info availableNo affiliation info availableUniversity Hospital of Orthopaedics and Trauma Surgery Pius-Hospital, Medical Campus University of Oldenburg, Oldenburg, Germany.Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32089957

Citation

Seeber, Gesine H., et al. "THE CONSTRAINING EFFECT of the LATERAL FEMORAL INTERMUSCULAR SEPTUM ON PASSIVE HIP ADDUCTION in UN-EMBALMED CADAVERS." International Journal of Sports Physical Therapy, vol. 15, no. 1, 2020, pp. 42-52.
Seeber GH, Lierly M, Bassett C, et al. THE CONSTRAINING EFFECT OF THE LATERAL FEMORAL INTERMUSCULAR SEPTUM ON PASSIVE HIP ADDUCTION IN UN-EMBALMED CADAVERS. Int J Sports Phys Ther. 2020;15(1):42-52.
Seeber, G. H., Lierly, M., Bassett, C., Douthit, C., Wilhelm, M., Matthijs, A., Matthijs, O., Lazovic, D., Brismée, J. M., Gilbert, K., & Sizer, P. (2020). THE CONSTRAINING EFFECT OF THE LATERAL FEMORAL INTERMUSCULAR SEPTUM ON PASSIVE HIP ADDUCTION IN UN-EMBALMED CADAVERS. International Journal of Sports Physical Therapy, 15(1), 42-52.
Seeber GH, et al. THE CONSTRAINING EFFECT of the LATERAL FEMORAL INTERMUSCULAR SEPTUM ON PASSIVE HIP ADDUCTION in UN-EMBALMED CADAVERS. Int J Sports Phys Ther. 2020;15(1):42-52. PubMed PMID: 32089957.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - THE CONSTRAINING EFFECT OF THE LATERAL FEMORAL INTERMUSCULAR SEPTUM ON PASSIVE HIP ADDUCTION IN UN-EMBALMED CADAVERS. AU - Seeber,Gesine H, AU - Lierly,Micah, AU - Bassett,Cameron, AU - Douthit,Christian, AU - Wilhelm,Mark, AU - Matthijs,Anja, AU - Matthijs,Omer, AU - Lazovic,Djordje, AU - Brismée,Jean-Michel, AU - Gilbert,Kerry, AU - Sizer,Phil,Jr PY - 2020/2/25/entrez PY - 2020/2/25/pubmed PY - 2020/2/25/medline KW - Hip adduction KW - iliotibial band KW - lateral intermuscular septum KW - selected cutting SP - 42 EP - 52 JF - International journal of sports physical therapy JO - Int J Sports Phys Ther VL - 15 IS - 1 N2 - Background: Due to the lack of verifiable iliotibial band elongation in response to stretching, the anatomical, biomechanical, and physiological responses to treatment of iliotibial band syndrome remain unclear. The lateral intermuscular septum, consisting of multiple myofibroblasts, firmly anchors the iliotibial band to the femur. Purpose and Hypothesis: The purpose of this in-situ study was to examine the constraining effect of the lateral intermuscular septum on available passive hip adduction range of motion in un-embalmed cadavers. It was hypothesized that an iliotibial band-septum-complex release would significantly increase passive hip adduction. Design: Within-specimen repeated measures in-situ design. Setting: Anatomy laboratory. Methods: Metal markers were inserted into selected anatomical landmarks in eleven (11) un-embalmed human cadavers. With the specimen supine, the test-side lower limb was passively adducted until maximum passive hip adduction was reached. This movement was repeated three times each within two conditions: (1) band-septum-complex intact and (2) band-septum-complex dissected. Digital video of marker displacement was captured throughout each trial. Still images from a start and an end position were extracted from each video sequence. A custom Matlab program was used to calculate frontal plane hip adduction angle changes from obtained images. Results: Mean change in passive hip adduction after band-septum-complex release was -0.3 ° (SD 1.6 °;95% CI: -1.33,0.76). A paired samples t-test revealed a non-significant difference (t=-.611; p=.555) in passive hip adduction for the band-septum-dissected condition (18.8 ± 3.9 °) versus the band-septum-intact condition (18.5 °±4.7 °). Conclusion: The lateral intermuscular septum does not appear to have a constraining effect on passive hip adduction in un-embalmed cadavers. Future research should evaluate the constraining effect of other selected tissues and conditions on hip adduction. Furthermore, inflammatory, metabolic, viscoelastic, and sensorimotor control properties within the iliotibial band in response to stretching should be investigated. Level of Evidence: 3. SN - 2159-2896 UR - https://www.unboundmedicine.com/medline/citation/32089957/THE_CONSTRAINING_EFFECT_OF_THE_LATERAL_FEMORAL_INTERMUSCULAR_SEPTUM_ON_PASSIVE_HIP_ADDUCTION_IN_UN-EMBALMED_CADAVERS L2 - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32089957/ DB - PRIME DP - Unbound Medicine ER -
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