Answer:
The answer is age.
Explanation:
So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.At a 50 percent exertion level, your target would be 50 percent of that maximum, or 85 beats per minute.
Answer:
The hip flexor complex should be stretched during the warm-up.
Explanation:
The hip flexor complex is a group of muscles that are on the hip and that helps to flex and move back and forward the hip.
In order to avoid an excessive lean forward during squats, this complex should be stretch during warm-up.
Use protection and be safe as much as possible.
