ATC ATC Hydrotherapy Techniques & Equipment 2

Question 1

At waist-deep water immersion, approximately what percentage of body weight is off-loaded from the lower extremities?

Accepted Answer

50%

Answer

Waist-deep immersion reduces effective body weight by approximately 50%, making it suitable for patients who can bear only half their normal weight.

Question 2

Contrast bath therapy in aquatic rehabilitation involves:

Accepted Answer

Alternating immersion between warm water (98–110°F) and cold water (50–65°F)

Answer

Contrast baths alternate warm and cold water immersion to create a vascular pumping effect that reduces edema and promotes circulation.

Question 3

An aqua flotation belt worn around the trunk during deep-water exercise primarily functions to:

Accepted Answer

Maintain an upright body position during deep-water running and exercise

Answer

An aqua belt keeps the patient in a vertical position during deep-water running, preventing them from tipping forward or sinking.

Question 4

How does warm water immersion primarily affect skeletal muscle tissue?

Accepted Answer

Reduces muscle tone and increases tissue extensibility

Answer

Warm water immersion reduces muscle tone and increases soft tissue extensibility, facilitating stretching and range-of-motion activities.

Question 5

Pool jets and turbulence in hydrotherapy primarily provide which therapeutic effect?

Accepted Answer

Hydrodynamic resistance and massage stimulation to soft tissues

Answer

Water jets create turbulence that simultaneously provides mechanical resistance for strengthening and massage effects that improve circulation.

ATC - Aquatic Therapy Certification Practice Test