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An alternative approach to treating lateral epicondylitis; A randomized, placebo-controlled, double-blinded study
▸ Nourbakhsh MR, Fearon FJ. Clin Rehabil 2008;22:601–9.
There are many treatment modalities for lateral epicondylitis (tennis elbow), and therefore alternative treatment for this condition are sought constantly.
Does low-frequency electrical stimulation improve pain, grip strength and functional abilities in subjects with chronic lateral epicondylitis?
Subjects: 18 subjects (24–72 years) with chronic lateral epicondylitis (no treatment for > 3 months).
Experimental procedure: All the subjects were assessed and then randomly assigned to six sessions of treatment over 2–3 weeks by either 1) low-frequency electrical stimulation over the palpated tender points (ELEC = 10, 4 Hz, 30 sec over tender point) or 2) placebo (CON = 8, similar electrical stimulation but set at 0). Pain (intensity and limitations), function, and grip strength were assessed before and after treatment and the ELEC group was reassessed at 6 months.
Measures of outcome: Pain intensity and limitation of activity due to pain (11 point scale), function (patient-specific function scale), grip strength (hand-held dynamometer).
6 months follow-up (ELEC group): after 6 months 100% of subjects in the ELEC group maintained the improved function, while 83% remained pain-free.
In a small, short-term follow-up, randomised clinical trial, low-frequency electrical stimulation reduced pain and improved …