Here are clear instructions for conducting a dead hang test:

1. Equipment needed:

- Pull-up bar or sturdy overhead bar

- Stopwatch or timer

2. Preparation:

- Ensure the bar is secure and at a height where your feet don't touch the ground when hanging.

- Warm up your shoulders, arms, and grip with light exercises.

3. Starting position:

- Stand under the bar and reach up to grasp it with an overhand grip (palms facing away from you).

- Your hands should be approximately shoulder-width apart.

- Use a step or jump up to grab the bar if necessary.

4. Test procedure:

- Lift your feet off the ground, allowing your arms to fully extend.

- Maintain a relaxed hanging position - don't engage your shoulder blades or attempt to pull up.

- Start the timer as soon as your feet leave the ground.

5. During the hang:

- Keep your body as still as possible.

- Breathe normally.

- Focus on maintaining your grip.

6. Ending the test:

- Stop the timer as soon as you release the bar or your grip fails.

- If you're administering the test, give a verbal warning if you see the participant's grip starting to slip.

7. Recording results:

- Note the total time you maintained the hang, typically measured in seconds.

8. Safety considerations:

- Have a spotter nearby, especially for beginners.

- Don't push to the point of injury - release the bar if you feel any sharp pain.

- Ensure there's a clear landing area below the bar.

9. Test frequency:

- Allow adequate rest between attempts, typically at least 48 hours.

- For accurate progress tracking, perform the test under similar conditions each time.

Remember, the goal is to hang for as long as possible while maintaining proper form. This test primarily measures grip and forearm endurance, which are crucial for many sports and physical activities.