ProLine Resistance Band

“I have been fortunate over the last 25 years to train / rehabilitate many middle school, high school,
college and professional baseball players. The ability to maintain and improve arm strength or shoulder
mobility is always a top priority for our athletes every year. Finding quality resistance bands and
weighted balls for training / rehab has always been an issue, until now. Proline resistance bands have all
the attachments, proper resistance and durability needed to endure our daily usage. The Proline
weighted throwing balls provide the perfect weight range and feel to improve acceleration