Table 1.

Underlying core components of LIFT versus SSSH.

Core component	SSSH	LIFT
Duration	1 h sessions, 1–2 times a week for 8 weeks	1 h sessions, 2 times a week for 8 weeks
Audience	Insufficiently active, aging men and women	Insufficiently active, aging men and women
Behavioral components	No strategies used	Observational learning, self-monitoring, self efficacy, group dynamics, and relapse prevention
Exercises	Active warm-up, 8 core strength-training exercises, and cool down	Active warm-up, 8 core strength-training exercises, and cool down
Group dynamics	No strategies used	Small groups for interaction, group names; participant lead exercises; friendly competition, social support, group goals
Goal	Increase muscle and bone density to decrease osteoporosis and frailty	Enhance overall functional fitness through improved strength, flexibility, and balance