Xiao Tang - a 19-year-old student from China - and her friend allegedly damaged their kidneys after challenging each other to see who could complete more squats while the two were video chatting. Though neither exercises regularly, they successfully squatted more than 1,000 times over the span of several hours. After, they both went to bed tired and sore.

The next morning, the pair woke up in a lot of pain. They both had trouble bending their legs and their urine was brown. Xiao Tang and her friend were taken to the local hospital's intensive care unit and hooked up to an IV. At the hospital, both girls were diagnosed with rhabdomyolysis.

While it's unclear how the two girls are currently doing, conversations they had with China Press after undergoing IV treatment suggest they are stable and in good condition.

When someone has rhabdomyolysis, their skeletal muscles begin to breakdown. Eventually, this can cause kidney damage. When the kidney is damaged, it is unable to effectively filter out your body's toxins. Though this can be fixed by giving the patient fluids through an IV, if the condition is left untreated, it can lead to death.

If a patient catches rhabdomyolysis early enough, they can return to normal health in a few weeks. Though, it's possible one might have lingering feelings of weakness and fatigue. Drinking plenty of liquids and relaxing can help to soothe this.

Muscle injuries from heat stroke and extreme exercise can cause rhabdomyolysis. Remember to take it easy when you're working out and to keep your eye out for symptoms like muscle weakness, fatigue and tea-colored urine.

Xiao Tang - a 19-year-old student from China - and her friend allegedly damaged their kidneys after challenging each other to see who could complete more squats while the two were video chatting. Though neither exercises regularly, they successfully squatted more than 1,000 times over the span of several hours. After, they both went to bed tired and sore.

The next morning, the pair woke up in a lot of pain. They both had trouble bending their legs and their urine was brown. Xiao Tang and her friend were taken to the local hospital's intensive care unit and hooked up to an IV. At the hospital, both girls were diagnosed with rhabdomyolysis.

While it's unclear how the two girls are currently doing, conversations they had with China Press after undergoing IV treatment suggest they are stable and in good condition.

When someone has rhabdomyolysis, their skeletal muscles begin to breakdown. Eventually, this can cause kidney damage. When the kidney is damaged, it is unable to effectively filter out your body's toxins. Though this can be fixed by giving the patient fluids through an IV, if the condition is left untreated, it can lead to death.

If a patient catches rhabdomyolysis early enough, they can return to normal health in a few weeks. Though, it's possible one might have lingering feelings of weakness and fatigue. Drinking plenty of liquids and relaxing can help to soothe this.

Muscle injuries from heat stroke and extreme exercise can cause rhabdomyolysis. Remember to take it easy when you're working out and to keep your eye out for symptoms like muscle weakness, fatigue and tea-colored urine.