Author(s): Dr. Amritashish Bagchi and Dr. Shiny Raizada

Abstract:
The purpose of the study was to analyze the muscles activation of Anterior Deltoid and Trapezius muscles while performing three different variations of Front Raise (FR). Ten healthy men volunteers (age = 22.5 ± 1.649 years) performed 5 repetitions of three different variations of Front Raise. Surface ElectroMyoGraphy (SEMG) was used for measuring muscle electrical activity that occurs during muscle contraction. The three different variations of Front Raise (FR) were Prone Grip Front Raise (PGFR), Hammer Grip Front Raise (HGFR) and Supine Grip Front Raise (SGFR). Repeated measure ANOVA identified overall significant differences in both the muscles, while performing the three different variations of Front Raise (FR). LSD Post hoc test was performed to find where the differences exit. It was found that Anterior Deltoid muscle was more active while performing SGFR (1373 ± 106.977) than PGFR (1169.5 ± 131.90) and HGFR (1269.0 ± 112.827). Also while performing the exercises, the anterior deltoid muscles was found to be more isolated in SGFR (964.10 ± 112.1) than PGFR (1040.90 ± 92.117) and HGFR (1036.90 ± 64.129), as with Supine Grip the activation of trapezius muscles was comparatively less. Supine Grip Front Raise is the most effective exercise for the Anterior Deltoid muscle activation as compared to other variations. Even SGFR can be performed for better isolation of anterior deltoid as the trapezius muscles shows less activation in SGFR as compared to PGFR and HGFR.

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