Tony decides he would like to try adding rollerblading into his regular bike-riding routine. what training principle is tony applying? a frequency b intensity c time d type

Which biofeedback measurement is correct? ekg assesses electrical activity conducted by our muscles an emg is a test that assesses electrical activity conducted by the heart an eeg is a test that assesses electrical activity conducted by the adrenal glands a gsr is a test that assesses electrical activity conducted by the skin