Study Results
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Basic Information
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TERMINATED
NA
3 participants
INTERVENTIONAL
2015-01-31
2017-12-31
Brief Summary
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The primary objective of this study is to see if manual therapy to the gluteus medius can significantly alter within-session measurements of hip abductor strength in patients with anterior knee pain.
The secondary objective of this study is to see if manual therapy to the gluteus medius can significantly alter within session pain in patients with anterior knee pain.
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Detailed Description
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Both Dry Needling (DN) and Soft Tissue Mobilization (STM) are manual therapy interventions commonly used by physical therapist to decrease trigger points in muscles. Currently, no research has examined the effectiveness of manual therapy to treat trigger points and improve hip abductor strength in patients with anterior knee pain. Clinically, the investigators have noted that after a patient has been treated with STM or DN that the investigators see immediate improvements in hip abduction strength. The investigators do not know if noted improvements result from repeated strength testing practice or actual improved firing strength of muscles.
The primary objective of this study is to see if manual therapy to the gluteus medius can significantly alter within-session measurements of hip abductor strength in patients with anterior knee pain.
The secondary objective of this study is to see if manual therapy to the gluteus medius can significantly alter within session pain in patients with anterior knee pain.
Patients referred to our physical therapy clinic for anterior knee pain will be considered for this study. After explaining the study and answering any patient or parent questions, informed consent will be obtained for those individuals wishing to participate. The participants will be screened to see if they meet the inclusion criteria, and will be randomly to a treatment group (Dry Needling, Soft Tissue Mobilization, Placebo control). This will be a single blinded research study with the assessor being blinded to the intervention. The therapist who performs the hip abductor strength measurements will not be the same therapist who performs the experimental interventions. The patient cannot be blinded to the treatment that they receive. The therapist performing the intervention will open a sealed envelope that allocates patient to Dry Needling, Soft Tissue Mobilization, or Sham Needling group. Following the experimental intervention all patients will perform the same hip and core exercise protocol.
Pre-treatment evaluation measures will be taken on the patient blinded assessor.
These will consist of:
* Hand held dynamometer hip abduction strength measurements.
* Pain with single leg squat
The subject will then receive the appropriate treatment based on his/her random assignment to experimental treatment groups by the treating therapist.
Post-treatment evaluation measures will be taken on all patients by the blinded assessor immediately following treatment. These will be the same measures taken pre-treatment.
* Hand held dynamometer hip abduction strength measurements.
* Pain with single leg squat Patients will then perform the same hip and core exercise protocol, Following these exercises Post-Exercise evaluation measures by the blinded assessor. These will be the same measures taken pre-treatment.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Dry Needling and Exercise
Dry Needling to treat gluteus medius trigger points followed by hip and core exercises.
Dry Needling
Dry Needling will be performed on the patient's ipsilateral gluteus medius muscle with the patient in sidelying. The treating therapist will use the appropriate needle based upon patient's size and location of trigger point \[No. 5 (0.25 x 40mm), No. 8 (0.30 x 50mm), or No. 11 (0.30 x 75mm)\]. They will target trigger points identified in the ipsilateral gluteus medius. Once the needling is inserted into the trigger point the needle will be moved in multiple directions until the first local twitch response is noted. Once the first local twitch response is obtained, the needling will be performed in an up-and-down fashion, performing 2- to 3-mm vertical motions with no rotations (fast-in and fast-out technique), at approximately 1 Hz for 25 to 30 seconds, with the aim of eliciting local twitch responses. The treating therapist can dry needle each trigger point identified in the gluteus medius with a maximum treatment time of 5 minutes.
Hip and core strengthening exercises
Patient will perform standardized hip and core exercises using body weight, and elastic bands for resistance. Exercises will take approximately 40 minutes to complete.
Soft Tissue Mobilization
Soft tissue mobilization to treat gluteus medius trigger points followed by hip and core exercises.
Soft Tissue Mobilization
Soft tissue mobilization will be performed on the patient's ipsilateral gluteus medius muscle with the patient in sidelying. The treating therapist will apply firm pressure with the palm and side of their hand. The treating therapist will mobilize the gluteus medius muscle in 4 separate directions (Proximal-Distal, Distal-Proximal, Medial-Lateral, and Lateral-Medial). The treating therapist will apply the pressure to reach the upper limit of the patient's tolerable discomfort. At any point in time the patient can request for the therapist to decrease the pressure applied. The treating therapist will perform soft tissue mobilization for 20 mobilizing strokes in each of the 4 directions.
Hip and core strengthening exercises
Patient will perform standardized hip and core exercises using body weight, and elastic bands for resistance. Exercises will take approximately 40 minutes to complete.
Placebo Control
Placebo to control for hands on time and attention from therapist followed by hip and core exercises.
Placebo Control
Treating therapist will place hands on the patient's gluteus medius muscle and gently rub, but not apply enough pressure to treat the muscles trigger point. This placebo control is designed to account for hands on time from therapist in the 2 other treatment groups, as well as blinding patient to treatment group.
Hip and core strengthening exercises
Patient will perform standardized hip and core exercises using body weight, and elastic bands for resistance. Exercises will take approximately 40 minutes to complete.
Interventions
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Dry Needling
Dry Needling will be performed on the patient's ipsilateral gluteus medius muscle with the patient in sidelying. The treating therapist will use the appropriate needle based upon patient's size and location of trigger point \[No. 5 (0.25 x 40mm), No. 8 (0.30 x 50mm), or No. 11 (0.30 x 75mm)\]. They will target trigger points identified in the ipsilateral gluteus medius. Once the needling is inserted into the trigger point the needle will be moved in multiple directions until the first local twitch response is noted. Once the first local twitch response is obtained, the needling will be performed in an up-and-down fashion, performing 2- to 3-mm vertical motions with no rotations (fast-in and fast-out technique), at approximately 1 Hz for 25 to 30 seconds, with the aim of eliciting local twitch responses. The treating therapist can dry needle each trigger point identified in the gluteus medius with a maximum treatment time of 5 minutes.
Soft Tissue Mobilization
Soft tissue mobilization will be performed on the patient's ipsilateral gluteus medius muscle with the patient in sidelying. The treating therapist will apply firm pressure with the palm and side of their hand. The treating therapist will mobilize the gluteus medius muscle in 4 separate directions (Proximal-Distal, Distal-Proximal, Medial-Lateral, and Lateral-Medial). The treating therapist will apply the pressure to reach the upper limit of the patient's tolerable discomfort. At any point in time the patient can request for the therapist to decrease the pressure applied. The treating therapist will perform soft tissue mobilization for 20 mobilizing strokes in each of the 4 directions.
Placebo Control
Treating therapist will place hands on the patient's gluteus medius muscle and gently rub, but not apply enough pressure to treat the muscles trigger point. This placebo control is designed to account for hands on time from therapist in the 2 other treatment groups, as well as blinding patient to treatment group.
Hip and core strengthening exercises
Patient will perform standardized hip and core exercises using body weight, and elastic bands for resistance. Exercises will take approximately 40 minutes to complete.
Eligibility Criteria
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Inclusion Criteria
* Ipsilateral hip abductor weakness of \>15%
* 2/10 pain with single leg squat
Exclusion Criteria
* Non-mechanical anterior knee pain
* Fear of needles
13 Years
ALL
No
Sponsors
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Mitchell Selhorst
OTHER
Responsible Party
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Mitchell Selhorst
Principal Investigator
Principal Investigators
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Mitchell Selhorst, DPT
Role: PRINCIPAL_INVESTIGATOR
Nationwide Childrens Hospital
Locations
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Nationwide Children's Hospital Sports and Ortho PT East Broad
Columbus, Ohio, United States
Countries
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References
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Ireland ML, Willson JD, Ballantyne BT, Davis IM. Hip strength in females with and without patellofemoral pain. J Orthop Sports Phys Ther. 2003 Nov;33(11):671-6. doi: 10.2519/jospt.2003.33.11.671.
McCurdy K, Walker J, Armstrong R, Langford G. Relationship between selected measures of strength and hip and knee excursion during unilateral and bilateral landings in women. J Strength Cond Res. 2014 Sep;28(9):2429-36. doi: 10.1519/JSC.0000000000000583.
Munro A, Herrington L, Carolan M. Reliability of 2-dimensional video assessment of frontal-plane dynamic knee valgus during common athletic screening tasks. J Sport Rehabil. 2012 Feb;21(1):7-11. doi: 10.1123/jsr.21.1.7. Epub 2011 Nov 15.
Hua NK, Van der Does E. The occurrence and inter-rater reliability of myofascial trigger points in the quadratus lumborum and gluteus medius: a prospective study in non-specific low back pain patients and controls in general practice. Pain. 1994 Sep;58(3):317-323. doi: 10.1016/0304-3959(94)90125-2.
Prins MR, van der Wurff P. Females with patellofemoral pain syndrome have weak hip muscles: a systematic review. Aust J Physiother. 2009;55(1):9-15. doi: 10.1016/s0004-9514(09)70055-8.
Roach S, Sorenson E, Headley B, San Juan JG. Prevalence of myofascial trigger points in the hip in patellofemoral pain. Arch Phys Med Rehabil. 2013 Mar;94(3):522-6. doi: 10.1016/j.apmr.2012.10.022. Epub 2012 Nov 2.
Schmidt J, Iverson J, Brown S, Thompson PA. Comparative reliability of the make and break tests for hip abduction assessment. Physiother Theory Pract. 2013 Nov;29(8):648-57. doi: 10.3109/09593985.2013.782518. Epub 2013 May 24.
Stickler L, Finley M, Gulgin H. Relationship between hip and core strength and frontal plane alignment during a single leg squat. Phys Ther Sport. 2015 Feb;16(1):66-71. doi: 10.1016/j.ptsp.2014.05.002. Epub 2014 Jun 3.
Thorborg K, Petersen J, Magnusson SP, Holmich P. Clinical assessment of hip strength using a hand-held dynamometer is reliable. Scand J Med Sci Sports. 2010 Jun;20(3):493-501. doi: 10.1111/j.1600-0838.2009.00958.x. Epub 2009 Jun 23.
Widler KS, Glatthorn JF, Bizzini M, Impellizzeri FM, Munzinger U, Leunig M, Maffiuletti NA. Assessment of hip abductor muscle strength. A validity and reliability study. J Bone Joint Surg Am. 2009 Nov;91(11):2666-72. doi: 10.2106/JBJS.H.01119.
Beenakker EA, van der Hoeven JH, Fock JM, Maurits NM. Reference values of maximum isometric muscle force obtained in 270 children aged 4-16 years by hand-held dynamometry. Neuromuscul Disord. 2001 Jul;11(5):441-6. doi: 10.1016/s0960-8966(01)00193-6.
Bohannon RW. Reference values for extremity muscle strength obtained by hand-held dynamometry from adults aged 20 to 79 years. Arch Phys Med Rehabil. 1997 Jan;78(1):26-32. doi: 10.1016/s0003-9993(97)90005-8.
Crossley KM, Zhang WJ, Schache AG, Bryant A, Cowan SM. Performance on the single-leg squat task indicates hip abductor muscle function. Am J Sports Med. 2011 Apr;39(4):866-73. doi: 10.1177/0363546510395456. Epub 2011 Feb 18.
Childs JD, Piva SR, Fritz JM. Responsiveness of the numeric pain rating scale in patients with low back pain. Spine (Phila Pa 1976). 2005 Jun 1;30(11):1331-4. doi: 10.1097/01.brs.0000164099.92112.29.
Other Identifiers
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IRB14-00621
Identifier Type: -
Identifier Source: org_study_id
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