Muscle Changes Following Cycling and/or Electrical Stimulation in Pediatric Spinal Cord Injury

被引:34
作者
Johnston, Therese E. [1 ,2 ]
Modlesky, Christopher M. [3 ]
Betz, Randal R. [2 ]
Lauer, Richard T. [4 ]
机构
[1] Univ Sci, Dept Phys Therapy, Samson Coll Hlth Sci, Philadelphia, PA 19104 USA
[2] Shriners Hosp Children, Res Dept, Philadelphia, PA USA
[3] Univ Delaware, Dept Kinesiol & Appl Physiol, Newark, DE USA
[4] Temple Univ, Dept Phys Therapy, Philadelphia, PA 19122 USA
来源
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION | 2011年 / 92卷 / 12期
关键词
Electrical stimulation; Muscles; Pediatrics; Rehabilitation; Spinal cord injuries; CONTRACTILE PROPERTIES; BONE LOSS; STRENGTH; CHILDREN; EXERCISE; INDIVIDUALS; ADOLESCENTS; DISEASE; PEOPLE; HEALTH;
D O I
10.1016/j.apmr.2011.06.031
中图分类号
R49 [康复医学];
学科分类号
100215 ;
摘要
Objective: To determine the effect of cycling, electrical stimulation, or both, on thigh muscle volume and stimulated muscle strength in children with spinal cord injury (SCI). Design: Randomized controlled trial. Setting: Children's hospital specializing in pediatric SCI. Participants: Children (N=30; ages, 5-13y) with chronic SCI. Interventions: Children were randomly assigned to 1 of 3 interventions: functional electrical stimulation cycling (FESC), passive cycling (PC), and noncycling, electrically stimulated exercise (ES). Each group exercised for 1 hour, 3 times per week for 6 months at home. Main Outcome Measures: Preintervention and postintervention, children underwent magnetic resonance imaging to assess muscle volume, and electrically stimulated isometric muscle strength testing with the use of a computerized dynamometer. Data were analyzed via analyses of covariance (ANCOVA) with baseline measures as covariates. Within-group changes were assessed via paired t tests. Results: All 30 children completed the training. Muscle volume data were complete for 24 children (8 FESC, 8 PC, 8 ES) and stimulated strength data for 27 children (9 per group). Per ANCOVA, there were differences between groups (P<.05) for quadriceps muscle volume and stimulated strength, with the ES group having greater changes in volume and the FESC group having greater changes in strength. Within-group analyses showed increased quadriceps volume and strength for the FESC group and increased quadriceps volume for the ES group. Conclusions: Children receiving either electrically stimulated exercise experienced changes in muscle size, stimulated strength, or both. These changes may decrease their risk of cardiovascular disease, insulin resistance, glucose intolerance, and type 2 diabetes.
引用
收藏
页码:1937 / 1943
页数:7
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