Altered patterns of pelvic bone motion determined in subjects with posterior pelvic pain using skin markers

Hungerford, Barbara; Gilleard, Wendy L; Lee, Diane G

doi:10.1016/j.clinbiomech.2004.02.004

Cited by 72 publications

(34 citation statements)

References 24 publications

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“…The study was between subjects equivalent group experiment with the independent variable being the type of exercise training (three groups) and the dependent variables being efficient load transfer, as measured by the Stork test (one-legged standing test) in weight bearing (Hungerford et al, 2004) and LBP symptoms. (Figure 1)…”

Section: Methodsmentioning

confidence: 99%

Altered motor control, posture and the Pilates method of exercise prescription

Curnow

Cobbin

Wyndham

et al. 2009

Journal of Bodywork and Movement Therapies

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Aims• To determine whether a basic set of Pilates exercises improves the efficiency of load transfer through the pelvis • To compare the effects on chronic, mild low back pain (LBP) symptoms of three slightly different Pilates based regimes MethodsA between subjects equivalent group experimental design was used -Independent variable: type of exercise training (three groups) -Dependent variables: efficient load transfer through the pelvis as measured by the stork test in weight bearing; low back pain symptoms At entry, to establish baseline values, subjects completed an Oswestry DisabilityQuestionnaire and recorded the frequency, intensity and duration of their back pain in an average week. Also, a Stork test was recorded.Thirty-nine volunteers with mild chronic low back pain (CLBP) were taught four Pilates based exercises before being randomly allocated to one of three groups for the addition of other interventions.• Groups A received four basic exercises• Groups B and C received an additional relaxation posture using a specific spinal support • Group C received an additional postural training exercise Exercises were performed three times per week for six weeks and recording was done once per week for eight weeks. For each of the eight weeks, subjects recorded frequency, intensity and duration of back pain ii At the final assessment, subjects completed another Oswestry Disability Questionnaire, returned their recording sheets, had a stork test recorded and their exercises checked. Results Oswestry Disability QuestionnairePre and post comparison of answers showed only one statistically significant improvement among subject groups. This was for question one, 'Do you have back pain at present?' where Group B reported significantly less pain post program compared with pre program (Wilcoxon, z=-2.496, p=0.013). Number of days of painGroup B experienced a statistically significant reduction in the number of days of pain between Week 1 and Weeks 6 to 8 (F 7,84 =6.4, p=0.0001). Post hoc analysis using Scheffé showed significant differences between Week 1 and Weeks 6, 7 and 8 and between Week 2 and Week 8 (p<0.05). There were statistically significant differences by week within Group C (F 7,77 =3.29, p=0.0041), but they only show up with Fisher (p<0.05) and they were between Week 1 and Weeks 6, 7 and 8, Week 2 and Weeks 6, 7 and 8, Week 3 and Weeks 6 and 7 and between Week 4 and Week 7.Some of the improvements were lost once exercising ceased at the end of week 6 Duration of back pain episodesAll groups experienced a reduction in the mean length of the shortest, longest and average pain episodes. At week eight all groups had subjects who were pain free (Group A: 7.7%, Group B: 30.8%, Group C: 25%) and in Group B, no subjects reported pain episodes longer than six hours. However, differences were not statistically significant for the duration of this study.Some of the improvements were lost once exercising ceased at the end of week 6iii Intensity of pain across all lengths of pain episodes While, all groups exper...

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Section: Methodsmentioning

confidence: 99%

Altered motor control, posture and the Pilates method of exercise prescription

Curnow

Cobbin

Wyndham

et al. 2009

Journal of Bodywork and Movement Therapies

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“…9,10 Transferring load through the lumbopelvic region is a dynamic process, requiring both articular stability (form closure) and optimal neuromuscular stability (force closure). 11 Patients with SIJ disorders 8,11 and PPPP 12 exhibit changes in movement patterns and in force closure during these 2 tests. Changes in movement patterns and in motor control have been found in patients with nonspecific LBP as well.…”

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confidence: 99%

Low Back Pain: Clinimetric Properties of the Trendelenburg Test, Active Straight Leg Raise Test, and Breathing Pattern During Active Straight Leg Raising

Roussel

Nijs

Truijen³

et al. 2007

Journal of Manipulative and Physiological Therapeutics

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“…A common limitation of previous studies is that they did not use clinically relevant tests, such as the abdominal drawing-in maneuver (ADIM) 19,29,45 and the active straight leg raise (ASLR) test, a clinical test used to assess the ability to effectively transfer load through the lumbopelvic region. 25,36 Therefore, the aim of this study was to investigate the level of association between change in EMG signal amplitude and change in the thickness of the RA, EO, IO, and TrA muscles, using USI, when performing an ADIM and the ASLR test. A further aim was to compare findings between individuals with and without LPP.…”

Section: T T Conclusionmentioning

confidence: 99%

Association Between Changes in Electromyographic Signal Amplitude and Abdominal Muscle Thickness in Individuals With and Without Lumbopelvic Pain

Whittaker¹,

McLean²,

Hodder³

et al. 2013

J Orthop Sports Phys Ther

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The muscles of the abdominal wall play a role in controlling motion of the spine, 1,20,21,24 and there is evidence of dysfunction of this musculature in persons with lumbopelvic pain (LPP). Proposed dysfunctions range from delayed onset 23 and seemingly diminished responses (smaller increase in thickness) of the transversus abdominis (TrA) 46,48 to increased electromyographic (EMG) signal amplitude and greater responses (larger increase in thickness) of the rectus abdominis (RA) and external and internal oblique (EO and IO) muscles.2,39,49 As these abnormalities have been linked to pain and dysfunction, there is interest in developing methods to accurately assess function of the abdominal musculature.Ultrasound imaging (USI) is a noninvasive and valid method to quantify abdominal muscle size 19 and is currently used in rehabilitation, in part, under the assumption that changes in muscle thickness reflect the extent of muscle contraction.42,46,50 USI has also been used for screening purposes 18 and as a source of real-time biofeedback, as it is presumed to be reflective of muscle activity during exercises commonly employed in rehabilitation programs. 15,38 Although some authors have stated that changes in muscle thickness measured with USI can be used as surrogate measures of muscle activity 11,34,42 and activation, 31,40,41,44 evidence T T STUDY DESIGN: Validation study. T T OBJECTIVES:To investigate the association between changes in electromyographic (EMG) signal amplitude and sonographic measures of muscle thickness of 4 abdominal muscles, during 2 clinical tests, in adults with and without lumbopelvic pain. T T BACKGROUND:There is a trend in rehabilitation to use ultrasound imaging (USI) to determine the extent of abdominal muscle contraction. However, the literature investigating the relationship between abdominal muscle thickness change and level of activation is inconclusive and has not included clinically relevant tasks. T T METHODS:Simultaneous recording from finewire EMG and USI was performed for 4 abdominal muscles, in 7 adults with lumbopelvic pain (mean  SD age, 29.7  12.0 years) and 7 adults without lumbopelvic pain (32.0  10.6 years), during an active straight leg raise (ASLR) test and an abdominal drawing-in maneuver (ADIM). Cross-correlation functions and linear regression analyses were used to describe the relationship between the 2 measures. Analyses of variance were used to compare individuals with and without lumbopelvic pain, with an alpha set at .05. T T RESULTS:Across all muscles, peak crosscorrelation values were low (ASLR, r = 0.28  0.09; ADIM, r = 0.35  0.11), and there was large variability in associated time lags (ASLR, τ = 0.69  2.56 seconds; ADIM, τ = 0.53  3.75 seconds). Regression analyses did not detect a systematic pattern of association between EMG signal amplitude and USI measurements, and analyses of variance revealed no differences between cohorts.

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Altered patterns of pelvic bone motion determined in subjects with posterior pelvic pain using skin markers

Cited by 72 publications

References 24 publications

Altered motor control, posture and the Pilates method of exercise prescription

Altered motor control, posture and the Pilates method of exercise prescription

Low Back Pain: Clinimetric Properties of the Trendelenburg Test, Active Straight Leg Raise Test, and Breathing Pattern During Active Straight Leg Raising

Association Between Changes in Electromyographic Signal Amplitude and Abdominal Muscle Thickness in Individuals With and Without Lumbopelvic Pain

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