
Dumbbell Lying One-Arm Rear Lateral Raise
Rear delts
Builds the upper back & shoulders phase · trains Rear delts, Upper back · reverse fly pattern
Everyday
Hours of sitting shorten the chest and hip flexors and switch off the upper back and glutes. The fix: pull more than you push, strengthen glutes and the deep core, and keep the neck and lower back resilient.

Counter rounded shoulders — rows, reverse flys, external rotation.
Best exercises for this phase:
Wake up glutes switched off by sitting.
Best exercises for this phase:
Brace and extend the spine with control.
Best exercises for this phase:
Counter forward-head posture.
Best exercises for this phase:

Rear delts
Builds the upper back & shoulders phase · trains Rear delts, Upper back · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts, Upper back, Rotator cuff · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts, Upper back, Rotator cuff · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts · reverse fly pattern

Upper back
Builds the upper back & shoulders phase · trains Upper back, Rear delts · row pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts, Upper back, Rotator cuff · reverse fly pattern

Rear delts
Builds the upper back & shoulders phase · trains Rear delts, Upper back, Rotator cuff · reverse fly pattern

Upper back
Builds the upper back & shoulders phase · trains Upper back, Rear delts · row pattern
Work done in the water or on the run itself, next to the strength exercises above.