Unit 3

Question 1

Purpose of using good body mechanics

Answer 1

To minimize chance of injury to ourselves, clients and coworkers.

Question 2

What is considered good body mechanics

Answer 2

Maintaining proper body alignment, or posture through out a task. Applying appropriate biophysical principles

Question 3

Define posture

Answer 3

Body’s proper alignment

Question 4

Requirements for good posture

Answer 4

Musculoskeletal system is aligned such that the stresses and strain placed on bones, muscles, ligaments and cartilage are low as possible

Question 5

Good posture standing

Answer 5

Double “s” curve from neck to sacrum. Goal is for the line of gravity to pass through most joint axes

Question 6

Good posture sitting

Answer 6

Double s curve and 90, 90, 90

Question 7

Good posture supine

Answer 7

Keep hips and knees flexed in order to maintain a neutral spinal position

Question 8

Biophysical principles

Answer 8

Low COG, wide base of support, short lever arm, momentum, and straight planes

Question 9

Body mechanics in practice : lifting

Answer 9

Keep the load close, create and appropriate base of support, use isometric muscle contractions of the core, lift with the legs, do not twist

Question 10

Preventing a musculoskeletal injury

Answer 10

Practice good body mechanics, ergonomics, communication, rest stretch and strengthen.

Question 11

Which soft tissues are often affected in bad body mechanics

Answer 11

Musculoskeletal injuries most common back neck and shoulder

Question 12

Back care exercises

Answer 12

Strengthen core, lengthen pectoral muscles and hamstrings

Question 13

Define body mechanics

Answer 13

The use of ones body to produce motion that is safe, energy conserving, and anatomically and physiologically efficient and leads to the maintenance of a persons body balance and control