ANSWER: All of these.
EXPLANATION: Progressive overload is when you gradually increase the weight, frequency, OR number of repetitions in your strength training routine.
Sore throat: Viruses are the cause of most sore throats and can't be treated with antibiotics. However, strep throat is caused by bacteria and antibiotics can help. In most cases, your doctor will take a throat swab to test for strep before prescribing an antibiotic for a sore throat.
Maybe your hormones are acting up or puberty?
Some types of Asthma: swelling of the alveoli cause muscle spasms of the rip cage and diaphragm. If the Asthma is accompanies with an immune system disorder it can also cause muscle loss.
