Apparatus for testing physical condition of a subject

Apparatus for testing the physical condition of a subject comprising means adapted to be mounted on the subject for monitoring and deriving a first signal indicative of heart activity of the subject, an electronic instrument housing adapted to be carried by the subject, means for coupling said first signal to terminals on the instrument housing, said housing including:

• (a) an inertial member for monitoring the quantity of repetitive actions taken by a limb of the subject and for deriving a second signal indicative of said quantity, (b) a keyboard for enabling signals to be derived indicative of numerical quantities associated with a plurality of physiologically relevant parameters of the subject, (c) a clock source of deriving timing signals, (d) digital computer means responsive to the first, second, timing and keyboard signals for deriving plural digital output signals indicative of different physical activities of the tested subject, (e) visual digital indicator means, (f) plural key switches, each associated with a different one of the physical activities, and (g) means responsive to activation of the plural key switches for selectively coupling different ones of the plural output signals to the visual indicator means so only one of the output signals is supplied to the indicator means at a time.

Portable apparatus for testing the physical condition of a subject performing an aerobic exercise involving motion of a limb of the subject comprising means adapted to be mounted on the subject for monitoring and deriving a first signal indicative of heart activity of the subject, means for deriving a second signal indicative of distance traversed by the subject during testing, a housing adapted to be mounted on the subject, said housing including:

• (a) input means for deriving at least one signal indicative of a predetermined constant physiologically relevant, parameter of the subject, (b) a clock source for deriving a timing signal during testing of the subject, (c) computer means responsive to the first, second, predetermined physiologically relevant parameter and timing signals for calculating the magnitude of a signal indicative of physical activity of the subject being tested in response to the values of said first and second signals, said physiologically relevant parameter and timing signals, and (d) indicator means responsive to the physical activity signal.

Apparatus for testing the physical condition of a subject comprising means adapted to be physically coupled to the subject for monitoring and deriving a first signal proportional to a heart beat rate of the subject, means for deriving a second signal proportional to distance traversed by the subject during testing, input means for deriving at least one signal indicative of a predetermined physiologically relevant parameter of the subject, said parameter having a constant, predetermined value for the particular subject, a clock source for deriving a timing signal during testing of the subject, and computer means responsive to the first, second, predetermined physiologically relevant parameter and timing signals for calculating the magnitude of a signal indicative of physical activity of the subject being tested in response to the values of said first and second signals, said physiologically relevant parameter, and said timing signal, and indicator means responsive to the physical activity signal for displaying the magnitude of the physical activity signal.