Keep Your Shoulders Strong with the E4 & E5 Machines
Machine of the Month - E4/E5 Internal & External Rotation of the Shoulder
The E4 (internal rotation of shoulder) and the E5 (external rotation of shoulder) both target the rotator cuff of your shoulder.
The muscles around the shoulder are extremely important for stabilising the shoulder joint, which can ultimately assist in preventing shoulder injuries. When you have pain/ injury around your rotator cuff, it can affect all aspects of your daily life, from putting on a shirt, to brushing your teeth, to reaching for something.
Difference between E4 and E5
The rotator cuff muscle group is made up of internal rotators (E4) and external rotators (E5). Both of these muscles play an important role in the stability of the shoulder.
Important Technique Points
Make sure your entire back and shoulder remains in contact with the backrest
Keep your wrists straight throughout the entire exercise so that you isolate the rotator cuff
Your seat position is correct if the upper arm slopes down slightly towards the elbow. If you feel your shoulder is parallel to the floor, ask an Exercise Scientist to fix your positioning.
SAFETY WARNING: Be sure to pull the pin out firmly from switching from left to right arm as the counterweight is very heavy.