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MCL Tears. Tibiofemoral Joint. Joined by tibia and femur Supported by MCL, LCL, ACL and PCL The iliotibial band supports the knee to limit internal rotation The lateral and medial menisci aid in stability Joint capsule increases stability.
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Tibiofemoral Joint • Joined by tibia and femur • Supported by MCL, LCL, ACL and PCL • The iliotibial band supports the knee to limit internal rotation • The lateral and medial menisci aid in stability • Joint capsule increases stability
Moves in sagittal plane during flexion/extension • Major muscles near joint are quadriceps and hamstrings • Moves in transverse plane during rotation
Symptoms of MCL Tears • Pain • Stiffness • Swelling • Tenderness • unsteady
Classifications of an MCL Tear Grade 1 symptoms • Mild tenderness on the inside of the knee on the ligament • Usually no swelling. • When bent 30 degrees, and an outward force is applied to lower leg, pain is felt, but there's no joint laxity. Grade 2 symptoms • Obvious tenderness on the inside of the knee on the medial ligament. • Some swelling. • When knee is stressed, there is pain, and laxity in the joint. Although, the knee cannot be bent sideways completely. Grade 3 symptoms • A complete tear of the ligament. • Pain varies. • When you stress the knee, there is a joint laxity. The person may complain that they have a wobbly knee.
Treatment Treatment depends on the grade of the tear Grade 1 Grade 2 Grade 3 - rest - ice - anti-inflammatory medications - same as grade 1 sprain - hinged knee brace - same as grade 1 & 2 sprain - knee brace and crutches - rarely, surgery
Rehabilitation - Range of motion exercises eg. Heel Slices, Quadriceps Sets, Ankle ABC's - Strengthening exercises eg. Leg Raises, Knee Flexion, Knee Extension, Hip Flexion, Heel Raises, Partial Squats - Stationary bicycle - Discontinue use of brace - Leg press - Walking/Jogging - Return to activity
Post Rehabilitation STRETCHING • Warm-up: light aerobic activity for 3-5 minutes • Cool-down: stretching leg muscle SAFETY EDUCATION • Learn proper way to fall, or change foot positions REST • Rest after strenuous activity • Alternate between low-impact activities and high-impact activities STRENGTHENING • Strong muscles surrounding the knee can help shoulder some of the weight • Strong quadriceps muscles can help to reduce risk of injuryex. lunges, squats