Does the left hand roll the head of the humerus towards internal rotation while the other hand pulls the limb away as if in abduction for internal rotation while the patient walks towards external rotation while pushing the forearm into your shoulder?
ICS refers to the inferior capsule of the shoulder. If the posteroinferior part of the shoulder capsule is tight, internal rotation can be limited, which is what we see a lot in throwers.
Normal IR and ER numbers vary based on the amount of retrotorsion/retroversion the humerus presents with. Where the athlete gains the range of motion from also plays a role in determining what an acceptable ROM would be. But generally, we like to see about 70-90 degrees of ER and about 50-70 degrees of IR in our throwers. Most throwers will have anywhere from 10-15 more degrees of ER and 10-15 less degrees of IR.
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Does the left hand roll the head of the humerus towards internal rotation while the other hand pulls the limb away as if in abduction for internal rotation while the patient walks towards external rotation while pushing the forearm into your shoulder?
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Orthopedic Physical Therapist
What does ICS mean? It's supposed to limit internal rotation.
Also what is normal IR and ER at 45 degrees of abduction?
ICS refers to the inferior capsule of the shoulder. If the posteroinferior part of the shoulder capsule is tight, internal rotation can be limited, which is what we see a lot in throwers.
Normal IR and ER numbers vary based on the amount of retrotorsion/retroversion the humerus presents with. Where the athlete gains the range of motion from also plays a role in determining what an acceptable ROM would be. But generally, we like to see about 70-90 degrees of ER and about 50-70 degrees of IR in our throwers. Most throwers will have anywhere from 10-15 more degrees of ER and 10-15 less degrees of IR.
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