The chest-and-arm stretch squeezes the shoulder blades together.
What is shoulder blades?
The scapula, or shoulder blade, is a large triangular-shaped bone that lies in the upper back.
The bone is surrounded and supported by a complex system of muscles that work together to help you move your arm.
Thus, the chest-and-arm stretch squeezes the shoulder blades together.
The complete question is below:
The chest-and-arm stretch squeezes __________.
A. the pectoral muscles together
B. the biceps simultaneously
C. all muscles in the torso
D. the shoulder blades together
Learn more about shoulder blades here: https://brainly.com/question/17266147
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