What is it about?

Electrical stimulation called neuromuscular electrical stimulation (NMES) can help to increase muscle mass or to prevent loss of muscle strength during involuntary muscle inactivity, such as after surgery, injury or disease. It has been unclear to what degree the front thigh muscle (quadriceps) can be stimulated with NMES without experiencing pain. Moreover, it has been unclear if simultaneous NMES of the but (gluteals) can increase the force of the quadriceps muscle.

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Why is it important?

People who are unable to perform voluntary muscle contractions can prevent muscle loss and the risk of falls and fractures by applying correct electrical stimulations to the muscles.


The results of this study provide a basis for individualized electrical stimulation in order to gain muscle strength and muscle mass preservation during immobilization.

Professor Paul W Ackermann
Karolinska Institutet

Read the Original

This page is a summary of: Knee extensor force production and discomfort during neuromuscular electrical stimulation of quadriceps with and without gluteal muscle co-stimulation, European Journal of Applied Physiology and Occupational Physiology, April 2022, Springer Science + Business Media, DOI: 10.1007/s00421-022-04949-9.
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