Author: Glossary
-
Reaction time
The amount of time elapsed between stimulation and acting on the stimulus. The interval between the presentation of a stimulus and the observed response. Interval between the presentation of a stimulus and the subject’s response to it. The period between application of a stimulus and the response. The time period from when a stimulus is…
-
Reaching assist
A nonswimming assist to a person in distress in which the rescuer extends his or her arm or an object, such as a rescue tube or shepherd’s crook.
-
Rating of perceived exertion (RPE)
A subjective assessment, including all of the body’s responses, of how hard one is working. There is a 6 to 20 scale or a 1 to 10 scale that can be used to determine level of perceived exertion.
-
Radial nerve
Nerve that originates from the posterior cord of the brachial plexus with roots from the last four cervical vertebrae and first thoracic vertebrae. One of the three major nerves of the arm. The descends at the back of the arm closely applied to the humerus and into the forearm. It is ultimately distributed to the…
-
Pyramid choreography
The number of repetitions for each move in a combination is gradually decreased and/or increased.
-
Pure movement
Muscle action void of gravity, water, or equipment.
-
Pulmonary vein
The vein that carries oxygenated blood from the lungs back to the heart via the left atrium. The four veins that return aerated blood from the lungs to the left atrium of the heart. One of the four veins which carry oxygenated blood from the lungs back to the left atrium of the heart. Either…
-
Pulmonary disease
Limits the body’s ability to provide oxygen to the body’s tissues.
-
Pulmonary capillaries
Tiny blood vessels where oxygen is exchanged in the lungs. Oxygen crosses into the pulmonary capillaries from the alveoli to be transported by the bloodstream.
-
Psychological
Relating to the mind, especially as a function of awareness, feeling, or motivation. Pertaining to the mental and emotional aspects of humans. To the study of the mind in all of its relationships, normal and abnormal. The term “psychological” relates to matters concerning the mind, encompassing its cognitive processes and emotional composition. It pertains to…