Its due to poor perfusion (blood supply)
It depends on how severe the injuries are.
it depends upon how deep the wound is and area, skin conditions, and type of injury
Your best bet is to go see a therapies. And follow up with a doctor all injuries are unique in the way they heal. You can also go to your local library an ask for books on running injuries that may help.
Sprains involve stretching or tearing of joint ligaments. Because ligaments are poorly vascularized, healing is slow. Cartilage injuries, particularly of the knee, are common in contact sports and may result from excessive twisting or high pressure. The avascular cartilage is unable to repair itself.
how long does it take for a hip hair line fracture to heal and what is the treatment
It will take about 4-7 Day's to heal.
how long does it take to heal a broken femur? it has been a year and still not normal is this the norm?
If you mean "how long does it take SKIN to heal under glue sutures" then the answer is about 4-5 days .
how long does it take to heal after a pelvic surgeory
how long does it take a broken pelvis to heal
Industrials can take up to 6 months to heal due to the reduced circulation in the cartilage.
The biopsy site may take up to six weeks to completely heal.