20-30, ACTIVITY, ADULT, ALICE, ALONE, ARM, BAND, BRACELET, BSIP, CELL, CONNECTED, E-HEALTH, ELECTRONIC, EUROPEAN, EXERCISE, FITNESS, FOREST, HUMAN, LEG, MALE, MAN, OBJECT, OUTDOORS, PARK, PERSON, PHONE, PHYSICAL, SENSOR, SMARTPHONE, SPORT, STRETCHING, TECHNOLOGY, TRAIL, WOOD, YEARS,