1 A short chain of amino acids is referred to as a peptide (or oligopeptide); a long chain of many (hundreds or thousands) amino acids is referred to as a polypeptide. 2  Each cell makes thousands of different KINDS of proteins.  Different kinds of proteins are composed of a different sequence of amino acids.
SHARE SHARE TWEET EMAIL. Weight training can help improve your endurance and speed as a long distance runner. It can also help you manage your weight by increasing your body's metabolism, a difficult task without strength training.To mix long distance running and weight training, you need careful planning and caution, so you can avoid burnout through overtraining.For best possible results, your program should challenge your body without causing any major pain.HARE SHARE TWEET EMAIL. Weight training can help improve your endurance and speed as a long distance runner. It can also help you manage your weight by increasing your body's metabolism, a difficult task without strength training.
Run outdoors two or three days a week, with one day designated as your long run day and one or two other runs of shorter distance. This will provide the mileage, the conditioning, and the weather acclimatization you need for your half-marathon. Include the treadmill one or two days a week for speed work or tempo runs.This gives you three to five days of running. Continue with your cross-training one or two days a week, focusing on muscular strength and endurance.ecause treadmill running is easier, use it for speed work. Use the treadmill to help you run faster by speeding up the pace for short intervals and then slow it down for recovery intervals. This is a very convenient way to get in some speed work or tempo runs in a controlled setting.