Final answer:
The biomechanical term for shoulder movement during a frontal raise is elevation, referring to the upward motion of the scapula and shoulder.
Step-by-step explanation:
The biomechanical term for movement at the shoulder during a frontal raise is elevation of the scapula. This term refers to the upward movement of the scapula and shoulder, which occurs when performing a frontal raise exercise. During this movement, the arms are lifted in front of the body while the scapulae rise, which contrasts the downward movement, or depression, used when lowering the arms. It's critical to distinguish between this motion and other shoulder movements such as protraction, retraction, and rotation, which involve different directional movements of the scapula and arm at the shoulder joint.
The biomechanical term for movement at the shoulder during a frontal raise is shoulder abduction. Shoulder abduction refers to the movement of the upper limb laterally away from the body. In the case of a frontal raise, the shoulder abduction occurs as the arm is lifted in front of the body.