“…A small number of studies have also investigated the effect of anaerobic exercise, predominantly resistance training, on depression in clinically depressed (Doyne et al, 1987;Martinsen, Hoffart, & Solberg, 1989;Pelham, Campagna, Ritvo, & Birnie, 1993;Singh, Clements, & Fiatarone, 1997), symptomatic (Mutrie, 1988;Palmer, 1995), and healthy participants (Dustman, Ruhling, & Russell, 1984;Stein & Motta, 1992). These interventions have typically but not always (Singh et al, 1997) compared aerobic to resistance training or to resistance training combined with flexibility (Dustman et al, 1984;Martinsen, Hoffart, et al, 1989).…”