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Arch Phys Med Rehabil. 2013 Dec;94(12):2559-61. doi: 10.1016/j.apmr.2013.06.014. Epub 2013 Jun 28.

Case report: endurance electrical stimulation training improves skeletal muscle oxidative capacity in chronic spinal cord injury.

Author information

1
Department of Kinesiology, University of Georgia, Athens, GA. Electronic address: ryan@uga.edu.

Abstract

OBJECTIVE:

To describe the use of a novel neuromuscular electrical stimulation (NMES) endurance exercise protocol and its effects on skeletal muscle oxidative capacity.

DESIGN:

Case report, pre/post intervention.

SETTING:

University-based trial.

PARTICIPANT:

A 39-year-old man who suffered a motor complete spinal cord injury (C5-6, ASIA Impairment Scale grade A).

INTERVENTION:

Twenty-four weeks of endurance NMES that consisted of progressive increases in the twitch frequency, duration of sessions, and sessions per week.

MAIN OUTCOME MEASURE:

Mitochondrial capacity was measured, in vivo, as the rate of recovery of muscle oxygen consumption using near-infrared spectroscopy.

RESULTS:

The rate of recovery of muscle oxygen consumption increased approximately 3-fold from 0.52 to 1.43, 1.46, and 1.40/min measured on 3 separate occasions during week 12 of training, and 1.57/min after 24 weeks of NMES endurance training.

CONCLUSION:

The findings of this study suggest that NMES endurance training using twitches can increase mitochondrial capacity to comparable levels measured in nonparalyzed muscles of sedentary able-bodied controls.

KEYWORDS:

Cell respiration; Electric stimulation; FES; NIRS; NMES; Paralysis; Rehabilitation; SCI; functional electrical stimulation; mVo(2); muscle oxygen consumption; near-infrared spectroscopy; neuromuscular electrical stimulation; spinal cord injury

PMID:
23816924
DOI:
10.1016/j.apmr.2013.06.014
[Indexed for MEDLINE]

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