Biomaterial Database

Determination of habitual physical activity by means of a portable R-R interval distribution recorder. 1974

R Masironi, and P Mansaurian

A new portable apparatus-the Interval Distribution Recorder (IDR)-has been developed by WHO for assessing habitual physical activity. It measures R-R intervals and records counts in 8 heart rate classes-i.e., at 8 levels of physical activity, from sleeping to heavy exercise. It is much simpler, easier to operate, and less expensive than tape recording systems, and it requires only a minimum of skill and of cooperation by the unsupervised subject. It is therefore suitable for population studies. The IDR system yields more precise information than that obtained by using heartbeat totalizers, which only give a mean heart rate value for the day and do not allow detection of differences in activity patterns.

UI	MeSH Term	Description	Entries
D010809	Physical Fitness	The ability to carry out daily tasks and perform physical activities in a highly functional state, often as a result of physical conditioning.	Fitness, Physical
D005082	Physical Exertion	Expenditure of energy during PHYSICAL ACTIVITY. Intensity of exertion may be measured by rate of OXYGEN CONSUMPTION; HEAT produced, or HEART RATE. Perceived exertion, a psychological measure of exertion, is included.	Physical Effort,Effort, Physical,Efforts, Physical,Exertion, Physical,Exertions, Physical,Physical Efforts,Physical Exertions
D006334	Heart Function Tests	Examinations used to diagnose and treat heart conditions.	Cardiac Function Tests,Cardiac Function Test,Function Test, Cardiac,Function Test, Heart,Function Tests, Cardiac,Function Tests, Heart,Heart Function Test,Test, Cardiac Function,Test, Heart Function,Tests, Cardiac Function,Tests, Heart Function
D006339	Heart Rate	The number of times the HEART VENTRICLES contract per unit of time, usually per minute.	Cardiac Rate,Chronotropism, Cardiac,Heart Rate Control,Heartbeat,Pulse Rate,Cardiac Chronotropy,Cardiac Chronotropism,Cardiac Rates,Chronotropy, Cardiac,Control, Heart Rate,Heart Rates,Heartbeats,Pulse Rates,Rate Control, Heart,Rate, Cardiac,Rate, Heart,Rate, Pulse
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000203	Activities of Daily Living	The performance of the basic activities of self care, such as dressing, ambulation, or eating.	ADL,Chronic Limitation of Activity,Limitation of Activity, Chronic,Activities, Daily Living,Activity, Daily Living,Daily Living Activities,Daily Living Activity,Living Activities, Daily,Living Activity, Daily
D014944	World Health Organization	A specialized agency of the United Nations designed as a coordinating authority on international health work; its aim is to promote the attainment of the highest possible level of health by all peoples.	Organization, World Health,WHO