Standing cable flyes are one of the best exercises for working the pectoralis major. Changing the angle of arm movement works different parts of this large muscle. ... and rotator cuff muscles.

Strengthen The Rotator Cuff Muscles Do these three exercises at a cable tower, starting with enough weight to fatigue at 10 to 12 repetitions: Internal Rotation: ...

Dwayne Johnson, aka The Rock, shared a look at his chest day workout on Instagram and explained the cable fly and pushup techniques he uses for maximum impact.