Become a Member

Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.

Already have an account? Sign In

Become a Member

Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.

Already have an account? Sign In

Brands

Training

Monday Minute: An Exercise To Build Core Strength

Tim Crowley explains the Side T Reverse Fly, a strength-training exercise for runners that combines the side bridge with the reverse fly.

For access to all of our training, gear, and race coverage, plus exclusive training plans, FinisherPix photos, event discounts, and GPS apps, sign up for Outside+.

In this video, Tim Crowley and friends demonstrate the Side T Reverse Fly, a strength-training exercise for runners that combines the side bridge with the reverse fly. This exercise will build core strength and get your glute medius firing, lessening the likelihood of injury.