Sagot :
Answer:
1 there is a 90-degree angle at the elbows (upper arms are parallel to the floor). For boy
2 To test the right shoulder, raise your right arm, bend your elbow, and reach down
across your back as far as possible.
3 Your partner holds a ruler vertically in the air between your thumb and index finger,
but not touching. Align the zero mark with the fingers.
4 Jump as far as possible
5 Without bending your back
I HOPE IT HELPS :D