The answer is D (8 to 12)
While doing upper-body exercise routine, fatigue of target muscles can be safely achieved within<span> the short time-frame of about 1.5 minutes (the time-frame for anaerobic pathways) by simply performing 8 to 12 </span>repetitions<span> at a moderate movement speed.</span>
1. adding just 5 minutes more of walking after a cardiovascular routine
F correct intensity level
2. re-adjusting your exercise routine after an injury
E accept set-backs
3. beginning a new cardiovascular program by walking and not running
B progress incrementally
4. understanding that you may lose muscle strength during a vacation
D feedback
5. making your routine for the month personally relate to you
C goal making
6. making a long-term commitment to exercise
A lifelong process
A.90% of people start smoking cigarettes when there teens
Either give them a new home
Pass them off and say no backsies
Kill them and hide the body
Hope these help
