Exercise is Space Data Set II (Interest Factor and Stretching Added) Exercise Category Equipment Benefit Walk /Jog on Treadmill Aerobic Colbert (Combined Operational Load Bearing External Resistance Treadmill) Cardiovascular fitness, some muscle building in legs Bike Aerobic CEVIS (Cycle Ergometer with Vibration Isolations and Stabilization System) Cardiovascular fitness, some muscle building in legs Pull Ups High Intensity Muscle building in back and biceps Air Squats High Intensity ARED (Advanced Resistance Exercise Device) ARED (Advanced Resistance Exercise Device) Push Ups High intensity ARED (Advanced Resistance Exercise Device) Muscle building in chest, shoulder, arm and core strengthening Sit ups High Intensity ARED (Advanced Resistance Exercise Device) Muscle building in core, lower back and abdomen Calf raise High Intensity ARED (Advanced Resistance Exercise Device) Muscle building in lower legs, strengthen and increase ankle flexibility Hamstring stretch Stretch and flexibility Resistance or tethering straps necessary Increase flexibility, improve posture, prevent injury Shoulder stretch Stretch and flexibility Resistance or tethering straps necessary Flexibility and prevent injury of shoulders and upper arms Butterfly groin stretch Stretch and flexibility Resistance or tethering straps necessary Flexibility of inner thighs, groin, Muscle building in lower body hips, and lower back