Adjustable strap and band system enables customized resistance and range of motion for all users
Strengthens shoulders and triceps to improve explosive jamming performance
Supports multiple sports and positions, including offensive linemen, defensive backs, linebackers, and basketball players
Can be used for speed, arm extension, and pass block techniques
Suitable for both training and rehabilitation with clear exercise guidelines
Summarized by Shop
Athletic Trainers Top Pick
The Power Jammer is a training device that develops explosive jamming motion by developing the shoulders and the triceps. It can be used for multiple sports and position-specific movements. The adjustment strap that attaches to the belt and the band allows each user to either lengthen or shorten the range of m
Color
Black, Red
Pattern
Solid
Brand
Power Jammer
Recommended sets
5 x 10 rapid jams per session
Training frequency
At least 3 days per week
Summarized by Shop
4.5
2 ratings
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1
Looks like a great product
H
Hayden · July 21, 2026
It showed up faster than expected in the quality of the product is great
