In anti-gravity shoulder extension MMT, which grip orientation is specified?

In anti-gravity shoulder extension MMT, which grip orientation is specified?

• A. Palms facing down
• B. Palms facing up
• C. Palms in neutral
• D. Palms facing inward

Answer: (B)

Gripping with the palm facing up sets the testing hand in a position that aligns the resistance with the direction of shoulder extension and helps isolate the targeted muscles (posterior deltoid, latissimus dorsi, teres major, and the long head of the triceps when applicable). This palm-up position places the forearm and wrist so the elbow and shoulder can work together in the extension movement against gravity, while reducing the chance that elbow flexors or other muscles substitute. If the palm were down, neutral, or inward, different muscle groups could contribute more, altering the effort and making the test less specific to shoulder extension. So, palm-up is chosen to optimize isolation and reliability of the anti-gravity shoulder extension test.

Gripping with the palm facing up sets the testing hand in a position that aligns the resistance with the direction of shoulder extension and helps isolate the targeted muscles (posterior deltoid, latissimus dorsi, teres major, and the long head of the triceps when applicable). This palm-up position places the forearm and wrist so the elbow and shoulder can work together in the extension movement against gravity, while reducing the chance that elbow flexors or other muscles substitute. If the palm were down, neutral, or inward, different muscle groups could contribute more, altering the effort and making the test less specific to shoulder extension. So, palm-up is chosen to optimize isolation and reliability of the anti-gravity shoulder extension test.