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When Giving Compressions, How Should the First Aid Responder Position Their Body and Arms? – Proper Steps + Explanation
In emergency situations, giving compressions can be a lifesaving technique for someone experiencing cardiac arrest.
However, as a first aid responder, knowing the proper positioning for giving compressions is crucial in ensuring the effective and safe delivery of this technique.

In this blog post, we will discuss how to position your body and arms while giving compressions.
Proper positioning is crucial when administering chest compressions during cardiopulmonary resuscitation (CPR).
The patient should be lying flat on their back on a hard surface. The rescuer should kneel beside the patient’s chest.
The heel of one hand is placed in the center of the patient’s chest, on the lower half of the breastbone.
The other hand is placed on top, fingers interlocked. With arms kept straight and elbows locked, the rescuer uses their upper body weight to compress the chest at least 2 inches (5 cm) but not more than 2.4 inches (6 cm).
Compressions should be done at a rate of 100-120 per minute. Effective compressions allow the heart to restore blood circulation, supplying vital oxygen to the brain and other organs.
Detailed Explanation
The first step in proper positioning for giving compressions is to stand at the victim’s side. This will provide the responder with a good view of the victim’s chest, allowing proper hand placement for compressions. The responder should then kneel down beside the victim, keeping their torso straight, and placing themselves at a height that allows their shoulders to be directly above the victim’s chest.
Next, place the heel of one hand in the center of the victim’s chest, with the other hand on top of the first hand. Keep your elbows straight and positioned over your chest. You want to ensure that your body weight is directly above your hands to maximize the effectiveness of each compression. When possible, avoid moving your hands between compressions.
To deliver compressions correctly, the responder should lean over the victim and press downward with their body weight. This will deliver a compression that is at least two inches in depth. Make sure that the chest returns to its natural position between compressions to allow blood to flow properly to the heart and brain.
As you deliver compressions, make sure that your forearm stays perpendicular to the ground. This will ensure proper hand placement and proper depth of compressions. If the arm is not perpendicular, the compression may not be deep enough or may cause injury to the victim.
Lastly, ensure that you are performing compressions at an adequate rate. The American Heart Association recommends performing compressions at least 100-120 times per minute. This rhythm should mimic the beat of the song “Stayin’ Alive” by the Bee Gees. This will ensure that the blood is being circulated through the body effectively.
Conclusion
In an emergency, knowing the proper positioning for giving compressions can mean the difference between life and death.
By standing at the victim’s side and placing yourself at the correct height and delivering compressions with proper technique and timing, you can give the victim the best chance of survival.
Remember to keep your body weight directly above your hands, wrist, and forearm perpendicular to the ground, and to maintain a consistent rhythm between compressions.
Following these guidelines, you can confidently perform effective compressions and potentially save a life.
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