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A novel method of inducing muscle cramps using repetitive magnetic stimulation

✍ Scribed by James B. Caress; Eric P. Bastings; Greg L. Hammond; Francis O. Walker

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 101 KB
Volume: 23
Category: Article
ISSN: 0148-639X
DOI: 10.1002/(sici)1097-4598(200001)23:1<126::aid-mus19>3.0.co;2-t

No coin nor oath required. For personal study only.

✦ Synopsis

The lack of a practical model has hampered attempts to study the pathophysiology of muscle cramps. We investigated the feasibility, efficacy, and reproducibility of repetitive magnetic stimulation in producing experimental cramps. In 14 healthy subjects, the tibial nerve at the ankle was stimulated with a magnetic stimulator at rates beginning at 4 Hz to a maximum of 20 Hz. The frequency was gradually increased until a cramp was produced. Ten of 14 subjects demonstrated a muscle cramp. All subjects rated the discomfort of the procedure to be mild or moderate. Repeat testing yielded values that were highly reproducible. This technique holds promise for clinical studies and therapeutic trials.

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