Common symptoms include weakness on the effected side with difficulty standing or walking to not being able to stand or walk. Immediate and intense amounts of pain are a signs associated with tears or sprains. Signs will likely include discoloration with moderate to severe swelling. When the ACL tears, blood begins to pour into the knee cavity making it extremely difficult to walk or stand on the leg and can also prevent the patient from extending their knee to a normal range of motion. Severe swelling is one of main considerations medical professionals look at to determine the severity of the injury. Sometimes injured people will report hearing a loud popping noise. This most often occurs with a …show more content…
Usually an orthopedic specialist will give the final determination of the injury. Paramedics, nurses, emergency room doctors and radiologist are going to be a huge part of the process. Factors such the amount of swelling, pain and other signs/symptoms will be considered. If the swelling has receded, the orthopedist will examine the stability of the knee itself and how the ligaments surrounding the knee respond to stimulation. The Lachman test is a widely used examination technique physicians use in order to check the condition of the ACL. Physicians place the patient on their back lying flat, placing one hand above the knee and the other directly behind the knee. The physician then move the knee in normal ranges of motions and feels for how the ligaments in the knee respond. If the physical examinations prove to be inconclusive, or if the specialist needs to check the severity of the tear, tools such as an MRI will most likely be needed to most properly diagnose the injury. An MRI (Magnetic Resonance Imaging) uses magnetic waves to create a picture of your body. This allows doctors to view a virtual model of your body and any injuries within it. This will allow a physician to determine how severe the injury towards your ACL is and what treatments would be necessary for your ACL to fully heal regain almost all of its strength back (Atanda & Gupta