Scapular Stabilizer Activity during Bodyblade®, Cuff Weights, and Thera-Band® Use

in Journal of Sport Rehabilitation
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Context:

There are numerous ways to overload the scapular stabilizers.

Objectives:

To assess scapular stabilizer activity using the Bodyblade® and other traditional training devices.

Design:

Repeated measures analysis of surface EMG data collected from the upper trapezius (UT), lower trapezius (LT), and serratus anterior (SA) during shoulder flexion and abduction using Bodyblade®, cuff weight, and Thera-Band® resistance.

Setting:

Laboratory.

Participants:

Thirty collegiate athletes (20.0 ± 1.7 years).

Intervention:

Participants performed 10 repetitions of shoulder flexion and abduction.

Main Outcome Measures:

For each movement, normalized root mean square values (NrmsEMG) were computed for each muscle during each repetition under each training condition. Data were analyzed using 3 (condition) × 10 (repetition) repeated measures ANOVAs.

Results:

During shoulder flexion and abduction, the NrmsEMG of the UT, LT, and SA were significantly greater when using the Bodyblade® than the Thera-Band® or cuff weight.

Conclusion:

The Bodyblade® produces greater scapular activity than traditional resistance techniques.

The authors are with the Dept. of Exercise and Sport Sciences at the University of Miami in Coral Gables, FL. E-mail: jsignorile@miami.edu.