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Question:

Can you describe a tendon glide exercise to help the DIP joint in a middle finger?

Scores:

anthropic: 8.5 gemini: 9.5 openai: 9 cohere: 9.5

Answer:

anthropic / claude-sonnet-4-5-20250929
Score: 8.5
A tendon glide exercise for the DIP (distal interphalangeal) joint of the middle finger involves moving through specific hand positions to promote flexor tendon mobility:\n\n1. Start with fingers straight and extended\n2. Move to a hook fist position - bend only the DIP and PIP joints while keeping the knuckles (MCP joints) straight\n3. Progress to a full fist - bend all finger joints completely\n4. Return through the positions in reverse\n\nFor isolated DIP work, you can perform the "tip-to-palm" exercise: try touching the middle fingertip to the palm base while keeping other joints as straight as possible. Alternatively, perform isolated DIP flexion by stabilizing the middle finger's PIP joint straight with your other hand, then bending only the DIP joint. Hold each position 3-5 seconds and repeat 10 times, several times daily. These exercises help maintain tendon gliding and prevent stiffness.

Graders:

gemini / gemini-2.5-flash
Score: 9.5
The answer provides an excellent and comprehensive description of tendon glide exercises relevant to the DIP joint of the middle finger. The initial hook and full fist positions are standard flexor tendon glides that effectively promote mobility, including at the DIP joint. The subsequent suggestions for "tip-to-palm" and stabilizing the PIP joint for isolated DIP flexion are particularly accurate and highly relevant for targeting the DIP joint specifically. The recommended hold times, repetitions, and frequency are appropriate. There are no factual errors or bad information. The answer is complete and highly relevant.
openai / gpt-4o-mini
Score: 9
The answer accurately describes tendon glide exercises for the DIP joint of the middle finger, including both general glides and isolated exercises. However, it could enhance clarity by specifying that stabilizing the PIP joint in the isolated DIP flexion is crucial for ensuring proper movement at the DIP. Additionally, the recommended repetition and holding time is appropriate but should emphasize the importance of consulting a healthcare professional, particularly for individuals recovering from an injury. Overall, the content is factually accurate and relevant.
cohere / command-r-plus-08-2024
Score: 9.5
The answer is thorough and accurate, providing a clear description of tendon glide exercises for the DIP joint of the middle finger. It offers a step-by-step guide to performing the exercises, including specific positions and movements. The exercises are relevant to the question and can be beneficial for maintaining tendon health and flexibility. The only potential improvement could be the inclusion of a brief explanation of the anatomy of the DIP joint and its associated tendons, to provide a clearer context for the exercises. Additionally, while the exercises are generally safe, a cautionary note about potential risks or discomfort could be added, especially for individuals with existing hand or finger conditions.
Scores are 0–10. The selected AI’s score is a self-rating.