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Effects of Stimulating Hip and Trunk Muscles on Seated Stability, Posture, and Reach After Spinal Cord Injury  Ronald J. Triolo, PhD, Stephanie Nogan.

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Presentation on theme: "Effects of Stimulating Hip and Trunk Muscles on Seated Stability, Posture, and Reach After Spinal Cord Injury  Ronald J. Triolo, PhD, Stephanie Nogan."— Presentation transcript:

1 Effects of Stimulating Hip and Trunk Muscles on Seated Stability, Posture, and Reach After Spinal Cord Injury  Ronald J. Triolo, PhD, Stephanie Nogan Bailey, BSE, Michael E. Miller, MS, Lisa M. Lombardo, MPT, Musa L. Audu, PhD  Archives of Physical Medicine and Rehabilitation  Volume 94, Issue 9, Pages (September 2013) DOI: /j.apmr Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

2 Fig 1 Isometric trunk extension strength testing in neutral sitting (A), 15° (B), and 30° (C) of forward trunk flexion. Dynamometer trunk extension attachment was aligned with the anterior superior iliac spine to provide a generalized measure of hip/trunk extension strength. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

3 Fig 2 Simulated rowing test of active trunk stability during dynamic voluntary upper extremity loads. The rotary-to-linear motion dynamometer attachment was positioned chest high and arm's length from the subject, who was instructed to pull it toward him at a maximal and steady effort. Isokinetic motion was constrained to be at a constant 6cm/s (30°/s). Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

4 Fig 3 Baseline volitional and change in trunk extension moment generated with stimulation during volitional movements for each subject and mean values (M) averaged across all subjects, at 3 flexion angles. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

5 Fig 4 Average ± SD change in active force exerted with stimulation over baseline volitional output for each subject and overall mean value (M), during simulated rowing maneuvers. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

6 Fig 5 Static sitting posture without (A) and with (B) activation of the hip and trunk extensor musculature. Reflective markers placed on bony prominences quantified skeletal alignment and effects of stimulation on pelvic tilt, trunk lean, and shoulder height. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

7 Fig 6 Average ± SD change in quiet, unsupported sitting posture with stimulation of the trunk and hip extensors in terms of pelvic tilt (A) and trunk lean (B) for each subject and overall mean value (M). Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

8 Fig 7 Effects of trunk and hip stimulation on unsupported bimanual reach. Maximal forward reach to low (bottom) and high (top) targets without stimulation (left) and with stimulation (right). Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

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