Research Publications on the Variable Angle Roman Chair (VARC- BackStrong)

1. Peer Reviewed Research

An Intensive, Progress Exercise Program Reduces Disability and Improves Functional Performace in Patients After Single-Level Lumbar Microdiskectomy. Download

Physical Therapy, #11, Vol 89, Nov, 2009. Kornelia Kulig, George J. Beneck, David M. Selkowitz, John M. Popovich Jr, Ting Ting Ge, Sean P. Flanagan, Elizabeth M. Poppert, Kimiko A. Yamada, Christopher M. Powers, Stan Azen, Carolee J. Winstein, James Gordon, Srinath Samudrala, Thomas C. Chen, Arya Nick Shamie, Larry T. Khoo, Mark J. Spoonamore, Jeffrey C. Wang; Physical Therapy Clinical Research Network

Fatigue-induced changes in phasic muscle activation patterns during dynamic trunk extension exercise.

Am J Phys Med Rehabil, 2007. Clark BC, Manini TM, Ploutz-Snyder LL.

Research-based rehabilitation of the lower back.

Strength and Conditioning Journal, 2006;2:30-5. Roger RG.

The immediate and long-term effects of exercise and patient education on physical, functional, and quality-of-life out come measures after single-level lumbar microdiscectomy: a randomized controlled trial protocol.

BMC Musculoskeletal Disorders 2006;7:70.Selkowitz DM, Kulig K, et al.

The use of magnetic resonance imaging to evaluate lumbar muscle activity during trunk extension exercise at various intensities.

Spine, 2005;30(22):2256-63. Mayer JM, Graves JE, Clark BC, Formikell M, Ploutz-Snyder LL.

Trunk extensor muscle function in young and old women: A pilot study.

Journal of Back and Musculoskeletal Rehabilitation, 2005;18(1/2):5-13. Manini T, Sagendorf K, Mayer JM, Ploutz-Synder LL.

Effect of Roman chair exercise training on the development of lumbar extension strength.

Journal of Strength and Conditioning Research, 2003;17(2):356-61. Mayer JM, Udermann BE, Graves JE, Ploutz-Snyder LL.

Derecruitment of the lumbar musculature with fatiguing trunk extension exercise.

Spine, 2003;28(3): 282-7. Clark BC , Manini TM , Ploutz-Snyder LL.

Quantitative assessment of lumbar paraspinal muscular endurance.

Journal of Athletic Training, 2003;38(3):259-62. Udermann BE, Mayer JM, Ploutz-Snyder LL, Graves JE.

Trunk and lower extremity muscle activity in multiple planes of motion using surface electromyography.

Doctor of Physical Therapy Research Reports 2003, Loma Linda University, School of Allied Health Professions, 2003:37-53. asuga N, Shahidi B, Mayer JM, Lohman EB.

The muscle activation of the erector spinae during hyperextension with and without the pelvis restrained.

Physical Therapy in Sport. 2002; 3(4):165-74. Benson M, Smith DA, Bybee RF.

Gender differences in skeletal muscle fatigability are related to contraction type and EMG spectral compression.

J Appl Physiol, 94(6): 2263-72 2003. Clark BC , Manini TM , The DJ , Doldo NA , Ploutz-Snyder LL.

The effect of lumbar extension exercise using a variable angle Roman chair on low back pain.

Topics in Clinical Chiropractic, December 2002. Singh BB, Liu X., Trapp L, Zarow F, Pierra EA, Pathak V, Verna JL.

Quantification of the loading characteristics of the upper body and lumbar extension strength on a variable angle Roman chair.

Journal of Back and Musculoskeletal Rehabilitation, 2002;16(2):95-104. Mayer JM, Graves JE, Udermann BE, Ploutz-Snyder LL.

Electromyographic activity of the trunk extensor muscles: Effect of varying hip position and lumbar posture during Roman chair exercise.

Archives of Physical Medicine and Rehabilitation, 2002;83(11):1543-6. Mayer JM, Verna JL, Manini T, Mooney V, Graves JE.

Electromyographic activity of the lumbar and hip extensors during dynamic trunk extension exercise.

Archives of Physical Medicine and Rehabilitation, 2002;83(11):1547-52. Clark BC, Manini TM, Mayer JM, Ploutz-Snyder LL, Graves JE.

Back extension endurance and strength: Effect of variable angle Roman chair exercise training.

Spine, 2002;27(16):1797-1801. Verna JL, Mayer JM, Mooney V, Pierra EA, Robertson VL, Graves JE.

Electromyographic activity of the lumbar extensor muscles: Effect of angle and hand position during Roman chair exercise.

Archives of Physical Medicine and Rehabilitation, 1999;80:751-5. Mayer JM, Graves JE, Verna JL, Pierra EA, Robertson VL, Ploutz-Snyder LL.

2. Book Chapters

Effective rehabilitation of lumbar and pelvic girdle pain. in Movement, Stability, & Lumbopelvic Pain: Integration of Research and Therapy. Vleeming A, Mooney V, Stockart R (eds), Elsevier, NY, 2007. Mooney V.

Management of chronic, disabling low back syndromes. in Low back syndromes. Integrated clinical management, Morris CE (ed), McGraw-Hill, NY, 2006. Mooney V, Verna JL, Morris CE.

Chapter 11: Considerations for the development of back extensor muscle strength. in Exercise Prescription and the Back. editor: Liemohn W. McGraw-Hill, New York, NY, 2001. Graves JE, Mayer JM.

Chapter 19: Resistance training for low back pain and dysfunction. in Resistance Training for Health, Disease Prevention, and Rehabilitation. ed: Graves JE, Franklin B. Human Kinetics, Champaign, IL, 2001. Graves JE, Mayer JM, Dreisinger T, Mooney V.

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