1. what motion should your stride begin with?
2. how do you think neck strain can be avoided?
3. which directions should your arms swing?
4. on which of the above do you need to work?
5. what can result if a tight fist is made while walking?

1. You should start with the hill of your foot and your hands should move simultaneously with each of your steps.

2. neck strain can be avoided by looking at different direction while walking.

3. arms should swing in the forward direction.

4. you should work the proper walking of avoiding neck strain

5. if a tight fist  is made while walking, it is difficult for the elbows to bend.

There may be distinctive approaches to maintain a strategic distance from neck strain in specific employments which shift with the particular employment.

1. What motion should your stride begin with?
 You should start with the hill of your foot and your hands should move simultaneously with each of your steps. Begin with breathing in comfortably & exhale and make sure to begin in a forward motion.

2. How do you think neck strain can be avoided?
 Neck strain can be avoided by looking in the different direction while walking. With good posture and stretching and taking successive breaks and doing extends will relief neck tension.

3. Which directions should your arms swing?
Your arms should swing freely and swing in the forward direction and from forward to backward hung down below your sides. If your left leg goes forward first, your right arm will go forward first, and if your right leg goes forward first, your left arm will go forward first.

4. On which of the above do you need to work?
I think you need to work on the posture and the proper walking for avoiding neck strain.

5. What can result if a tight fist is made while walking?
  If a tight fist is made while walking, it is difficult for the elbows to bend. Additionally, making a tight fist will create tension in the hands, arms, and shoulders. For example, think about holding a table tennis ball without crushing it. 

Some of their responsibilities are to evaluate safety, efficiency, and effectiveness of the biomedical equipment. train people on how to properly operate biomedical equipment. lastly is to research the engineering aspects of the biological systems of humans and animals.