Question 2: IR/ER Humeri
Can we IR/ER our humeri?
Lay on your back, on a hard surface, with your knees bent
Taking the elbow in line with the shoulder and elbow flexed at 90°
Without letting the humerus glide forward, rotate the humerus internally
Rotate the humerus externally
Combined range of motion (IR + ER) should be ~180°
Compare L to R