Electrical Stimulation in Serratus Anterior Paralysis (Winged Scapula)

Rudd, J. L.

doi:10.1093/ptj/33.2.64

Cited by 1 publication

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“…Researchers have tried to stimulate certain scapular muscles noting the significance of these muscles in normal glenohumeral movement. 24 , 25 The first evidence of successful stimulation of SA muscle to treat winged scapula was reported back in 1953. 24 To the best of our knowledge, this is the first study looking at the feasibility of stimulating all three key scapular muscles, i.e .…”

Section: Discussionmentioning

confidence: 99%

“… 24 , 25 The first evidence of successful stimulation of SA muscle to treat winged scapula was reported back in 1953. 24 To the best of our knowledge, this is the first study looking at the feasibility of stimulating all three key scapular muscles, i.e . the lower trapezius (LT), the upper trapezius (UT), and serratus anterior (SA) using transcutaneous FES during shoulder elevation movements.…”

Section: Discussionmentioning

confidence: 99%

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Feasibility and significance of stimulating interscapular muscles using transcutaneous functional electrical stimulation in able-bodied individuals

Kapadia

Moineau

Marquez-Chin

et al. 2021

The Journal of Spinal Cord Medicine

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Objective The study objective was to assess the feasibility of stimulating the lower trapezius (LT), the upper trapezius (UT) and serratus anterior (SA) muscles along with anterior or middle deltoid, using surface functional electrical stimulation (FES). The secondary aim was to understand the effects of LT, UT, and SA stimulation on maximum arm reach achieved in shoulder flexion and abduction. Design Single arm interventional study. Setting Inpatient Rehabilitation Hospital. Participants Ten healthy volunteers. Intervention Participants completed 10 trials for each of the 3 conditions in flexion and abduction, i.e . (1) Active voluntary flexion or abduction, (2) FES for anterior deltoid for flexion or middle deltoid for abduction, and (3) FES for LT, UT, and SA along with anterior deltoid for flexion or middle deltoid for abduction. Outcome Measures Maximum arm reach and percent angle relative to the voluntary movement were computed from motion capture data for each condition. Wilcoxon signed-rank test was used to compare the maximum reach between two FES conditions. Results The study results showed that all three interscapular muscles can be stimulated using surface FES. Maximum reach in abduction was greater for FES of middle deltoid along with the interscapular muscles (51.77° ± 17.54°) compared to FES for middle deltoid alone (43.76° ± 15.32°; Z = −2.701, P = 0.007). Maximum reach in flexion for FES of anterior deltoid, along with interscapular muscles, was similar to that during FES of anterior deltoid alone. Conclusion Interscapular muscles can be stimulated using surface FES devices and should be engaged during rehabilitation as appropriate.

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Section: Discussionmentioning

confidence: 99%