The relationship of internally directed behavior to self-, reinforcement, self-esteem, and expectancy values for exerciseFIELD, L. K; STEINHARDT, M. A.American journal of health promotion. 1992, Vol 7, Num 1, pp 21-27, issn 0890-1171Article

The importance of physical fitness for the reduction of coronary artery disease risk factorsYOUNG, D. R; STEINHARDT, M. A.Sports medicine (Auckland). 1995, Vol 19, Num 5, pp 303-310, issn 0112-1642Article

The importance of physical fitness versus physical activity for coronary artery disease risk factors: a cross-sectional analysisYOUNG, D. R; STEINHARDT, M. A.Research quarterly for exercise and sport. 1993, Vol 64, Num 4, pp 377-384, issn 0270-1367Article

Psychological attributes of participants and nonparticipants in a worksite health and fitness centerSTEINHARDT, M. A; YOUNG, D. R.Behavioral medicine (Washington, DC). 1992, Vol 18, Num 1, pp 40-46, issn 0896-4289Article

Reliability and validity of expected outcomes and barriers for habitual physical activitySTEINHARDT, M. A; DISHMAN, R. K.Journal of occupational medicine. 1989, Vol 31, Num 6, pp 536-546, issn 0096-1736Article