Current sit-to-stand protocols do not permit use of upper extremities, limiting the protocols' utility for institutionalized older adults with diminished physical function. The objective of this study was to modify a 30-s sit-to-stand protocol to allow for arm use and to examine test-retest reliability and convergent validity; 54 institutionalized older… (More)
Mated pairs of Mongolian gerbils were rejoined by two of their own young, of both sexes, after periods of separation starting when the young were four or seven weeks of age and lasting either one or four weeks. An additional group of young was separated from their parents when six weeks old, this time for two weeks. The occurrence of sniffing, opposition… (More)
Araneus cornutus spiderling activities recorded from hatching to scattering show a particular distribution of the general motor activity over a 24-hour period. More motor activity is first observed during the light sequence, while at a nocturnal activity distribution appears after the 2nd nymphean ecdysis.