Knee Injuries

What Is a Knee Sprain?

Peer-Reviewed Article

A knee sprain is a ligament injury resulting from overstretching, causing pain, swelling, and instability, often requiring rest and rehabilitation.

Four knee ligaments FCL, TCL, PCL, ACL

Overview

Dr. Cooper talking about patellar tendonitis

Patellar Tendinitis Video

Runner taking a break and grabbing their knee in pain.

What Is a Dislocated Kneecap?

Grabbing the knee in pain

What You Need to Know About Runner’s Knee

PCL Tear in posterior view of the knee

Posterior Cruciate Ligament (PCL) Injuries

Dr. Cooper talking about patellofemoral syndrome

Patellofemoral Pain Syndrome Video

Anatomy of the hamstrings and patellar tendon

Understanding Jumper’s Knee

Outline of the bones of the knee, highlighted in red to show pain.

Jumper’s Knee vs. Runner’s Knee

Anterior view of a torn MCL in the knee joint

Medial Collateral Ligament (MCL) Tears and Sprains

Anterior view of a torn anterior cruciate ligament (ACL) of the knee

Anterior Cruciate Ligament (ACL) Tears

Flap tear in the knee meniscus

Understanding Meniscus Tears

Bones in the knee affected the patellofermoral alignment

About Acute Patellar Injuries

Four knee ligaments FCL, TCL, PCL, ACL

What Is a Knee Sprain?

Man in workout clothes holding his knee in pain

Is My Knee Pain Arthritis or a Torn Meniscus?

Dr. Cooper talking about knee meniscus tear

Knee Meniscus Tear Video

Understanding Knee Hyperextension

Anterior view of a ruptured patellar tendon

What You Need to Know About Kneecap Injuries

Lateral Collateral Ligament (LCL) Injuries

Symptoms

Symptoms of Kneecap Dislocation

Swelling in the knee

Detailed Knee Sprain Symptoms

The patella and patellar tendon

Symptoms and Diagnosis of Jumper’s Knee

Skeletal view of the body with pain in the knee.

Symptoms of Runner’s Knee

Symptoms of LCL (Lateral Collateral Ligament) Tears

Bucket handle meninscal tear

Symptoms of Meniscal Tears

Symptoms of an Acute Patellar Injury

View of the knee showing the PCL tears

Symptoms of Posterior Cruciate Ligament (PCL) Tears

Knee swelling from a torn ACL

ACL Tear Symptoms

Runner on the beach grabbing knee in pain.

Symptoms of Knee Hyperextension

Symptoms of MCL Sprains and Tears

Causes and Diagnosis

A flap tear is one type of meniscus tear

Diagnosing Meniscal Tears

Technician administering an ultrasound on a patient's knee.

Runner’s Knee Causes and Diagnosis

MCL Sprains and Tears: Causes and Risk Factors

View of the knee joint showing LCL, MCL, PCL, and ACL.

Lateral Collateral Ligament (LCL): Causes and Risk Factors

Runner on the beach grabbing knee in pain.

Causes of Meniscal Tears

Knee hyperextension x-ray labeling the femur, patella, and tibia

Diagnosing Knee Hyperextension

Diagnosing MCL Sprains and Tears

Diagnosing Lateral Collateral Ligament (LCL) Tears

Physician examining patient's knee

ACL Tear Diagnosis

MRI scan of the knee joint

Diagnosing Dislocated Kneecaps

Physical therapist examining patient's knee

Getting an Accurate Knee Sprain Diagnosis

Anterior view of the posterior cruciate ligament

Posterior Cruciate Ligament (PCL) Tears: Causes and Risk Factors

Girls high school volleyball game

ACL Tear: Causes and Risk Factors

Girl shooting a free throw on a basketball court.

Causes and Risk Factors for Dislocated Kneecaps

Tennis player grabbing knee in pain.

Causes and Risk Factors for Knee Sprains

Posterior cruciate rupture in a posterior view of the knee

Diagnosing Posterior Cruciate Ligament (PCL) Tears

Treatment

Sutured meniscal tear

Meniscal Tear Treatment

Skeletal view of a healthy knee

Treatment of Knee Hyperextension

Knee surgery performed on a torn meniscus.

Knee Surgery for a Torn Meniscus

Posterior Cruciate Ligament (PCL) Tear Treatment Options

Dr. Cooper talking about patellar tendonitis

Patellar Tendinitis Video

Skeletal view of the knee showing pain in the joint.

Surgery for Dislocated Kneecaps

Person icing their wrapped knee

Treating Knee Sprains

Treatment Options and Recovery for MCL Sprains and Tears

Patellar tendon graft placed during ACL repair surgery

ACL Tear Surgical Repair

Woman with a knee brace using crutches.

Treatment of Dislocated Kneecaps

Woman adjusting her knee brace while out for a run.

Treatment of Runner’s Knee

Instrumentation used in knee meniscal surgery

4 Factors Affecting Knee Meniscus Surgery

Nonsurgical Treatment for LCL (Lateral Collateral Ligament) Tears

Physical therapist adjusting knee brace

ACL Tear Treatment Options

Woman adjusting knee brace

Treatment of Jumper’s Knee

Grabbing a swollen knee

Surgery for Knee Hyperextension

Cross section of the knee highlighting the meniscus

Recovering From Meniscus Repair Surgery

LCL Tear surgery labeling the anchor, sutures, and LCL.

Surgical Treatment for LCL (Lateral Collateral Ligament) Tears

Wellness

Person grabbing knee with volleyball in the sand next to them

What to Do When an Acute Patellar Injury Is Suspected

More on this Topic

View of the knee labeling the femur, patella, tibia.

Guide to Knee Joint Anatomy

Knee joint highlighting the muscles

How Knee Joint Problems Cause Pain

Soft tissue of the knee joint

Soft Tissue of the Knee Joint