Answer:
Starting a fitness program may be one of the best things you can do for your health. Physical activity can reduce your risk of chronic disease, improve your ... using a weight or resistance level heavy enough to tire your muscles after about 12 to 15 ... In high-interval intensity training, you perform short bursts of high-intensity ...
Explanation:
you have to study
I would say either A or C. They are the most likely for a cool down stretch.
Answer:
I would be the extension of the trunk
Explanation:
The erector spinae muscle extends the vertebreal column. [1] It is formed of 3 muscles and its fibers run more or less vertically throughout the lumbar, thoracic and cervical regions. It lies in the groove to the side of the vertebral column. In cervical region it is covered by nuchal ligament and in thoracic and lumber region by thoracolumbar fascia.