RTP Athletics

RTP Athletics Mark Lewis, MS, LAT, CSCS, PES - Owner/Operator

Athletes in and around Philadelphia: Quickly become healthy and pain-free, prevent injuries from occurring, and enhance your performance through individualized sport specific therapy/rehab and performance training.

Testimonial.See what athletes are saying about RTP Athletics!
08/28/2026

Testimonial.

See what athletes are saying about RTP Athletics!

08/22/2026

Shoulder flexion assessment for golfers.

Start by having your athlete get into a wall-sit position with their head, shoulders, and back against the wall. Have them perform a posterior pelvic tilt so their lower back is flush against the wall and holding a club or dowel in place. Then have them extend both arms out in front and overhead as far as they can. Shoulder flexion can be limited due to tightness of the lat muscle, shoulder joint restrictions, and scapular motion limitations (all 3 should be assessed). For the golf swing, this restriction can lead to loss of posture during the backswing and limit shoulder rotation on the follow-through.

Besides causing limitations in your swing efficiency and performance, this type of restriction can also lead to low back pain because of the compensational pattern and increased tension in the muscles origin (the low back).

Flexibility and mobility exercises (e.g., kneeling lat stretch, foam roller t-spine extension mobility, wall slides, thoracolumbar fascia decompression) are typically prescribed to improve this motion if needed.

Schedule at rtpathletics.com via form submission or by phone. FREE 10 minute phone consultation before your initial appo...
07/25/2026

Schedule at rtpathletics.com via form submission or by phone.

FREE 10 minute phone consultation before your initial appointment.

For my fall athletes: BONUS pre-season injury prevention screen included with first session.

07/18/2026

Big goals, bigger hustle. 🔔💥

Executing the vision all the way to the All Star Game in hometown Philly.

True honor to work with you bro Mike Trout

It was a pleasure to deliver a treatment/tune-up session at the house for one of my best boys and police officer for the...
07/09/2026

It was a pleasure to deliver a treatment/tune-up session at the house for one of my best boys and police officer for the Atlantic County Sheriff’s Office. Thank you for sacrificing your body every day to protect our community back home in South Jersey 💪🏻

Happy 250th Independence Day to our United States of America. For me, the city of Philadelphia isn’t just the birthplace...
07/04/2026

Happy 250th Independence Day to our United States of America. For me, the city of Philadelphia isn’t just the birthplace of America, but also where part of my family roots come from, where I started my professional career with the Birds, and where I now have a business that serves and supports local athletes in the best sports town in the country! 🇺🇸

A BIG thank you to this great crew of family and friends for assisting in the video shoot for our golf business project....
06/26/2026

A BIG thank you to this great crew of family and friends for assisting in the video shoot for our golf business project. You all helped bring shape to our vision! Eric and I couldn’t be more enthusiastic about this journey and what we are building for the golf community.

Video cred: Rich Cordisio

rtpathletics.com
06/05/2026

rtpathletics.com

Optimize your golf performance by understanding the critical connection between body movement and swing efficiency. Mark...
05/16/2026

Optimize your golf performance by understanding the critical connection between body movement and swing efficiency.

Mark Lewis is a certified Titleist Performance instructor offering services at RTP Athletics in South Philly, as well as optional on-site training at your own club!

This service also works great in conjunction with golf pros and instructors, offering continuity of care and marrying medical with coaching.

Schedule at rtpathletics.com
FREE consultations available.

Address

2017 S. Juniper Street
Philadelphia, PA
19148

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 3pm
Sunday 9am - 3pm

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