Question

how can the skeletal and muscular systems be protected from injury
1. Lift Heavy Objects quickly
2. Refuse to lift any objects
3. Carry at least 20 pounds in a backpack at all times
4. Lift heavy objects with your knees bent

Answer 1

Hi,
The answer should be number 4.

Answer 2

The skeletal and muscular systems be protected from injury by bending the knees while lifting a heavy object.

Reasons for Injury

• Lifting the heavy objects quickly may result in severe strain on muscles and the bones of the body and this should be avoided.

• Refusing to lift any objects or carrying a fixed amount of weight every time in a backpack will not be of any help either because not doing anything will make you lazy and carrying load all the time may result in pain in your shoulders and back.

• When you lift heavy objects with bent knees , the knees acts as suspensions and helps in balancing the weight and lessening the chances of injury. Thus this method is the best to practice while lifting weights.

Therefore, the skeletal and muscular systems be protected from injury by bending the knees while lifting a heavy object and OPTION D is correct.

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