Understanding Body Mechanics in Life

What is the primary benefit of maintaining good posture?

• It improves digestion.

• It reduces the risk of back pain.

• It enhances skin health.

• It increases hair growth.

Which of the following is a key component of proper alignment when sitting?

• Crossing your legs.

• Keeping your feet flat on the floor.

• Leaning forward.

• Tilting your head back.

What is ergonomics?

• The study of human history.

• The science of designing a workplace to fit the user's needs.

• A type of exercise routine.

• A method of cooking.

Which of the following is an example of poor posture?

• Standing with shoulders back.

• Sitting with a straight back.

• Slouching while sitting.

• Keeping your head level.

How can you improve ergonomics while using a computer?

• Place the monitor at eye level.

• Use a chair without back support.

• Keep the keyboard on your lap.

• Sit on the floor.

What is the ideal angle for your elbows when typing on a keyboard?

• 45 degrees

• 90 degrees

• 120 degrees

• 180 degrees

Which of the following is NOT a benefit of good posture?

• Improved breathing.

• Enhanced concentration.

• Increased risk of injury.

• Better circulation.

What should be the position of your knees when sitting at a desk?

• Higher than your hips.

• Level with your hips.

• Lower than your hips.

• Bent at a 45-degree angle.

Which of the following is a common ergonomic recommendation for lifting heavy objects?

• Bend at the waist.

• Keep the object away from your body.

• Use your legs to lift.

• Twist your back while lifting.

What is the recommended distance between your eyes and a computer screen?

• 10-15 inches

• 20-30 inches

• 40-50 inches

• 60-70 inches