Ann Rehabil Med.  2012 Feb;36(1):39-46. 10.5535/arm.2012.36.1.39.

The Effect of Comprehensive Hand Repetitive Intensive Strength Training (CHRIST) Using Motion Analysis in Children with Cerebral Palsy

• Kim DA
• Lee JA
• Hwang PW
• Lee MJ
• Kim HK
• Park JJ
• You JH
• Lee DR
• Lee NG

• KMID: 2266779
• DOI: http://doi.org/10.5535/arm.2012.36.1.39

Abstract

OBJECTIVE
To investigate the effect of Comprehensive Hand Repetitive Intensive Strength Training (CHRIST) on upper limb function in children with cerebral palsy using motion analysis. METHOD: The subjects in this study included 19 children (10 males, 9 females, mean age=8.8 years) with cerebral palsy. The experimental group (n=10) received CHRIST and general rehabilitation therapy. The control group (n=9) received a home program as well as general rehabilitation therapy. Both groups received 30 sessions of CHRIST or home program training for 60 minutes per session 3 times a week during the 10-week period. The reaching movements were captured by a motion analysis system. Kinematic variables including movement time (MT), mean velocity (MV), normalized jerk score (NJS), mean angular velocity (MAV) and normalized jerk score of the shoulder, elbow and wrist joint with comfortable and fast speed were analyzed between groups and the pre-post training group.
RESULTS
After pre- and post-training experimental group, MT, MV, NJS, MAV of shoulder, elbow, wrist and NJS of elbow and wrist improved significantlyin reaching movement of both comfortable and fast speed (p<0.05). However, After pre- and post-training control group, MV improved significantlyin reaching movement of only comfortable speed (p<0.05). Between two groups, MT and MAV of the elbow at comfortable speed and NJS of the elbow at fast speed were statisticallysignificant (p<0.05).
CONCLUSION
CHRIST proved to be an effective intervention for improving upper limb extremity function of reaching movement in children with cerebral palsy.

Keyword

Cerebral palsy; Muscle strength; Upper extremity; Motion

MeSH Terms

Cerebral Palsy
Child
Elbow
Extremities
Female
Hand
Humans
Male
Muscle Strength
Resistance Training
Shoulder
Upper Extremity
Wrist
Wrist Joint

Figure

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  Fig. 1 The Comprehensive Hand Repetitive Intensive Strengthening Training (CHRIST) System.

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  Fig. 2 The Comprehensive Hand Repetitive Intensive Strengthening Training (Quadruped posture).

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  Fig. 3 Home Exercise Program. (A) Shoulder extension muscle strengthening with theraband. (B) Elbow flexion muscle strengthening with theraband. (C) Shoulder abductionmuscle strengthening with theraband. (D) Elbow extension muscle strengthening with theraband. (E) Hand grip, forearm flexion and extension muscle strengthening with towel. (F) Hand grip and wrist extension muscle strengthening with velcro board. (G) Wrist extension muscle strengthening with sandbag. (H) Shoulder abduction-extension muscle strengthening with theraband.

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  Fig. 4 The experimental setup of the motion analysis.

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