I agree with you and have edited my message to make it clearer on that issue. You do raise a good point about other elevators and accessories what we wish to keep quiet. We could also assess breathing patterns in the younger person to see if increased accessory mm use might be impacting on the problem. Respiratory problems can arise with positioning in the very young. That said positioning them to assist "stretch the SCM" can assist to add some passive treatment when they are resting.

p.s. There is also another discussion on Wikipedia reference-linktorticollis in the forum. Click on the tags link and then on torticollis to find it