Journal of Rehabilitation Research & Development (JRRD)

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Influence of gravity compensation on kinematics and muscle activation patterns during reach and retrieval in subjects with cervical spinal cord injury: An explorative study

Marieke G . M. Kloosterman, PT, MSc, et al.


Figure 1. Freebal device for gravity compensation of upper limb. Source: Stienen AH, Hekman EE, Van der Helm FC, Prange GB, Jannink MJ, Aalsma AM, Van der Kooij H. Freebal: Dedicated gravity compensation for the upper extremities. In: Proceedings of the 2007 IEEE 10th International Conference on Rehabilitation Robotics; 2007 Jun 13–15; Noordwijk aan Zee, the Netherlands. Piscataway (NJ): IEEE Press. p. 804–8.DOI:10.1109/ICORR.2007.4428517

After a cervical spinal cord injury, a patient should integrate exercise therapy in an intensive rehabilitation program in optimizing the remaining upper-limb function. During rehabilitation, arm support (gravity compensation) is often used to facilitate goal-directed movement of the upper limb, compensate for lost functions, or train movements. However, the specific effect of gravity compensation on kinematics and muscle activation is largely unknown. In this explorative study, results showed that gravity compensation influenced the kinematics and amplitude of muscle activation of the upper limb; however, the timing of muscle activation remained unaffected.


Volume 47 Number 7, 2010
   Pages 617 — 628

This article and any supplementary material should be cited as follows:

Kloosterman MGM, Snoek GJ, Kouwenhoven M, Nene AV, Jannink MJA.
Influence of gravity compensation on kinematics and muscle activation patterns during reach and retrieval in subjects with cervical spinal cord injury: An explorative study.
J Rehabil Res Dev. 2010;47(7): 617-28.
DOI:10.1682/JRRD.2010.02.0014


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