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Greater Resting Lumbar Extensor Myofascial Stiffness in Younger Ankylosing Spondylitis Patients Than Age-Comparable Healthy Volunteers Quantified by Myotonometry.

Publication ,  Journal Article
Andonian, BJ; Masi, AT; Aldag, JC; Barry, AJ; Coates, BA; Emrich, K; Henderson, J; Kelly, J; Nair, K
Published in: Arch Phys Med Rehabil
November 2015

OBJECTIVE: To quantify resting lumbar erector myofascial stiffness in younger patients with ankylosing spondylitis (AS) and age-comparable healthy control subjects using a handheld mechanical impulse-based myotonometric device. DESIGN: A case-control study of 24 patients with AS and 24 age-comparable healthy control subjects. SETTING: University physical therapy department. PARTICIPANTS: Patients with AS (men: n=19; women: n=5; total: N=24) and healthy volunteers (men: n=19; women: n=5; total: N=24) without low back pain (age range, 18-46y). INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE: Lumbar myofascial stiffness. RESULTS: At the initial measurements, median stiffness (Nm) of the averaged right- and left-sided values was greater (P=.021) in 24 patients with AS than 24 control subjects (268.9 vs 238.9, respectively). Repeated measurements after a 10-minute prone resting period were also greater (P=.007) in patients with AS than control subjects (281.0 vs 241.4, respectively). The 48 averaged right- and left-sided values from baseline and 10-minute measurements were compared in each subject group. The patients with AS more frequently (P=.012) had stiffness values >250 Nm (35 [72.9%] vs 22 [45.8%] in control subjects). CONCLUSIONS: Lumbar myofascial stiffness was greater in 24 patients with AS than in the control subjects. A hypothesized biomechanical concept of increased resting lumbar myofascial stiffness in AS may be supported by this preliminary controlled study.

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Published In

Arch Phys Med Rehabil

DOI

EISSN

1532-821X

Publication Date

November 2015

Volume

96

Issue

11

Start / End Page

2041 / 2047

Location

United States

Related Subject Headings

  • Young Adult
  • Spondylitis, Ankylosing
  • Rehabilitation
  • Muscle, Skeletal
  • Middle Aged
  • Male
  • Lumbosacral Region
  • Humans
  • Female
  • Fascia
 

Citation

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Andonian, B. J., Masi, A. T., Aldag, J. C., Barry, A. J., Coates, B. A., Emrich, K., … Nair, K. (2015). Greater Resting Lumbar Extensor Myofascial Stiffness in Younger Ankylosing Spondylitis Patients Than Age-Comparable Healthy Volunteers Quantified by Myotonometry. Arch Phys Med Rehabil, 96(11), 2041–2047. https://doi.org/10.1016/j.apmr.2015.07.014
Andonian, Brian J., Alfonse T. Masi, Jean C. Aldag, Alexander J. Barry, Brandon A. Coates, Katherine Emrich, Jacqueline Henderson, Joseph Kelly, and Kalyani Nair. “Greater Resting Lumbar Extensor Myofascial Stiffness in Younger Ankylosing Spondylitis Patients Than Age-Comparable Healthy Volunteers Quantified by Myotonometry.Arch Phys Med Rehabil 96, no. 11 (November 2015): 2041–47. https://doi.org/10.1016/j.apmr.2015.07.014.
Andonian BJ, Masi AT, Aldag JC, Barry AJ, Coates BA, Emrich K, et al. Greater Resting Lumbar Extensor Myofascial Stiffness in Younger Ankylosing Spondylitis Patients Than Age-Comparable Healthy Volunteers Quantified by Myotonometry. Arch Phys Med Rehabil. 2015 Nov;96(11):2041–7.
Andonian, Brian J., et al. “Greater Resting Lumbar Extensor Myofascial Stiffness in Younger Ankylosing Spondylitis Patients Than Age-Comparable Healthy Volunteers Quantified by Myotonometry.Arch Phys Med Rehabil, vol. 96, no. 11, Nov. 2015, pp. 2041–47. Pubmed, doi:10.1016/j.apmr.2015.07.014.
Andonian BJ, Masi AT, Aldag JC, Barry AJ, Coates BA, Emrich K, Henderson J, Kelly J, Nair K. Greater Resting Lumbar Extensor Myofascial Stiffness in Younger Ankylosing Spondylitis Patients Than Age-Comparable Healthy Volunteers Quantified by Myotonometry. Arch Phys Med Rehabil. 2015 Nov;96(11):2041–2047.
Journal cover image

Published In

Arch Phys Med Rehabil

DOI

EISSN

1532-821X

Publication Date

November 2015

Volume

96

Issue

11

Start / End Page

2041 / 2047

Location

United States

Related Subject Headings

  • Young Adult
  • Spondylitis, Ankylosing
  • Rehabilitation
  • Muscle, Skeletal
  • Middle Aged
  • Male
  • Lumbosacral Region
  • Humans
  • Female
  • Fascia