Allyson Pena, 5/6 period
This injury is caused from twisting or turning quickly, often when the foot is planted as the knee is bent. Can also occur from lifting heavy objects as well as playing sports.
Signs and Symptoms
Minor: swelling, slight pain.
Moderate: pain at side of center of knee swelling, sharp pains when squatting, knee will feel stiff.
Severe: Knee can catch, pop, or lock, knee will feel wobbly and give out with warning.
The examiner grabs the postero-medial aspect of the knee while extending the knee and rotating the tibia. A valgus and varus stress is applied as well.
Patient stands flat footed on one leg while the examiner provides their hands for balance. The patient then flexes the knee to 20 degrees and rotates the femur on the tibia both medially and laterally three times continuing to do the 20 degrees flexion.
The patient is a prone position with the knee flexed to 90 degrees. The patient's thigh is then rooted to the examining table with the examiner's knee. The examiner then rotates the tibia laterally and medially.