Instructions

1

Stand upright with feet shoulder-width apart, maintaining neutral spine and engaged core. Arms start at sides with neutral grip (palms facing inward).

2

Take a deep breath and prepare for horizontal adduction. Maintain slight elbow bend throughout movement to reduce shoulder joint stress.

3

Slowly bring arms across the body in a horizontal plane, controlling the eccentric phase as arms return to starting position. Feel the chest muscles lengthen as you extend arms outward.

4

Powerfully contract the chest muscles to bring both arms together across the front of the body in a hugging motion. Squeeze at peak contraction, then return to start under control.

PRIMARY MUSCLESPectoralis Major

SECONDARY MUSCLESAnterior Deltoid, Clavicle, Serratus Anterior

EQUIPMENTBody weight

DIFFICULTYBeginner

Overview

If you want to isolate and overload the Pectoralis Major, the Shoulder - Medial Rotation Internal Rotation is an excellent addition to your routine. The mechanics of this Stretching exercise specifically bias the Shoulders, while the use of Body weight allows for a smooth, natural resistance curve.

Benefits

Significantly enhances the structural integrity and power of the Pectoralis Major.
Promotes balanced muscular development by effectively recruiting the Pectoralis Major and associated synergists.
Reduces the likelihood of Shoulders injuries by reinforcing connective tissue strength.
Acts as a highly scalable Stretching movement, perfect for both beginners and elite athletes.

Common Mistakes

Losing core tension, leading to poor spinal alignment and reduced power output.
Shrugging the shoulders or compensating with secondary muscles rather than isolating the Pectoralis Major.
Failing to achieve a full range of motion, which drastically limits Pectoralis Major engagement.
Rushing the repetition tempo instead of focusing on the mind-muscle connection with the Shoulders.

Exercise Variations

Dumbbell Shoulder - Medial Rotation Internal Rotation
Cable Shoulder - Medial Rotation Internal Rotation
Banded Shoulder - Medial Rotation Internal Rotation

Beginner Tips

If you are new to the Shoulder - Medial Rotation Internal Rotation, focus on mastering the movement pattern with zero weight before adding Body weight.

Shoulder - Medial Rotation Internal Rotation