Hold handles at end of straps attached to pull-up bar
Lean back until arms are straight and body is at 45-degree angle
Keeping body completely straight, pull yourself up by driving elbows back and rotating palms to face each other at top position
Lower body with control and rotate palms so they face ground at start position
Repeat for specified reps
Sets/Reps: 4x15-20
Sistrunk: This strengthens the mid-back, shoulders, core and hand grip, which is great for baseball players. Squeeze your scapulas when you pull, and lower your body with control.
Rollins: If you don’t have strong hands, you can’t hit a baseball with any power. You’ll get the bat knocked out of your hands, as they say.