Get Back to Running: How Physical Therapy Can Help with Runner's Knee

What is Runner's Knee?

Runner's Knee, also known as patellofemoral pain syndrome, is a condition that affects the knee joint and is characterized by pain around the patella (knee cap), swelling, and limited mobility. It is among the most common injuries seen in runners, with a prevalence rate of 15.6% compared to other injuries [1]. Runner's Knee not only affects runners but can occur in other high-impact sports as well.

Getting treatment for Runner's Knee is crucial for runners and other athletes who undergo high impact and stress on their knee joints during training and/or competition. Ignoring the symptoms of Runner's Knee can lead to other injuries and may even force an athlete to miss extended time. Physical therapy is one of the most effective ways of treating Runner's Knee symptoms, restoring normal knee function, and returning to sport. This article will explore the causes of Runner’s Knee and how physical therapy can help.

What Are The Causes of Runner's Knee?

The exact cause of Runner's Knee is not well understood, but it is believed to result from a combination of factors, including overuse, improper training techniques, muscle weakness, and a history of previous injuries.

  • Overuse: Running too much, too fast, or increased high-impact activities without proper preparation

  • Improper Training Techniques: Running form, wrong shoes, or lack of recovery

  • Muscle Weakness: There is strong evidence demonstrating a significant association between Runner's Knee and hip muscle weakness, specifically the hip external rotator and hip abductor muscles. This can cause excessive hip adduction and internal rotation during running, which could lead to lateral patella tracking and increased contact pressure in the lateral aspect of the patella [2]

  • Previous Injury: A history of prior injuries can increase the risk of developing Runner's Knee [3]

There are many factors that can lead to the development of Runner’s knee, so it is important to identify and address these triggers. Early detection and treatment of Runner's Knee can help prevent the development of chronic pain, forced time off, and occurrence of other injuries.

How Does Physical Therapy Help Runner's Knee?

Physical therapy plays a crucial role in the treatment of Runner's Knee. At Resilience Physical Therapy, we can help individuals with Runner's Knee develop a recovery plan that addresses the underlying cause of their pain, help to restore normal knee function and provide a plan to return to sport.

Treatment for Runner’s Knee typically includes a combination of techniques, including:

  • Strengthening and Mobility Exercises: We will identify areas of weakness and immobility to recommend specific exercises which can help improve knee stability and reduce pain [Click here for some exercise examples]

  • Manual Therapy: We will implement soft tissue release, joint mobilization, taping techniques etc., to help reduce pain and improve knee mobility

  • Coaching: We will perform a running form analysis, make recommendations on appropriate footwear, and create a training plan to help prevent further injury and provide a safe transition back to sport

Our mission is to help support athletes through rehab by providing the latest techniques and evidence-based practices to achieve their goals and get back to doing what they love. Our physical therapists are dedicated to providing personalized, one-on-one care and developing individualized treatment plans to meet each athlete's specific needs. If you are experiencing knee pain due to running or other sports, our team would love to help. Schedule a discovery call to see if we are the right fit for you!

References:

  1. Lopes AD, Hespanhol Júnior LC, Yeung SS, Costa LO. What are the main running-related musculoskeletal injuries? A Systematic Review. Sports Med. 2012 Oct 1;42(10):891-905. doi: 10.1007/BF03262301. PMID: 22827721; PMCID: PMC4269925.

  2. Xie P, István B, Liang M. The Relationship between Patellofemoral Pain Syndrome and Hip Biomechanics: A Systematic Review with Meta-Analysis. Healthcare (Basel). 2022 Dec 28;11(1):99. doi: 10.3390/healthcare11010099. PMID: 36611559; PMCID: PMC9818693.

  3. van Gent RN, Siem D, van Middelkoop M, van Os AG, Bierma-Zeinstra SM, Koes BW. Incidence and determinants of lower extremity running injuries in long distance runners: a systematic review. Br J Sports Med. 2007 Aug;41(8):469-80; discussion 480. doi: 10.1136/bjsm.2006.033548. Epub 2007 May 1. PMID: 17473005; PMCID: PMC2465455.

  4. Kakouris N, Yener N, Fong DTP. A systematic review of running-related musculoskeletal injuries in runners. J Sport Health Sci. 2021 Sep;10(5):513-522. doi: 10.1016/j.jshs.2021.04.001. Epub 2021 Apr 20. PMID: 33862272; PMCID: PMC8500811.

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When Is It Not Okay To Run With Pain?

Every runner wants to be able to run pain-free but in reality that is often not the case. Sometimes you can have aches/soreness from yesterday's strength workout or interval run. Maybe you overdid it on your last long run and now you have some knee pain. A question that comes up a lot is "is it okay to run with pain?", especially now that marathon training is underway and you don't want to fall behind on your training plan.

Here are some guidelines for when you shouldn't push through pain during your runs:

❌Pain that alters your running mechanics
❌Pain that gets worst during running
❌Pain that persists more than 24 hours after running
❌Having to take anti-inflammatory medications for your pain

*These guidelines work for most runners but not all. Many factors can cause pain while running and this needs to be evaluated case by case. The last thing you want to do is run on a bone stress injury.

If you are experiencing pain and unsure if you should continue running or you're currently dealing with an injury, schedule a free call!

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3 Core Exercises To Improve Your Running Form

Maintaining trunk stability throughout your run is crucial for efficient form.

Here are some exercises that will not only work on your core but also challenge coordination and motor control between your arms, legs, and trunk:
Perform 3 Rounds

1️⃣ Pallof Press with Marching - 15x each leg
2️⃣Push-up Position with Hip Marches - 20x each leg
3️⃣Thread The Needle into 90/90 Leg Position - 8x on each side

 

Pallof Press with Marching - 15x each leg

 
 

Push-up Position with Hip Marches - 20x each leg

Thread The Needle into 90/90 Leg Position - 8x on each side

 

If you are interested in working with us, schedule a free discovery call!

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3 Dynamic Warm-Up Exercises For Your Pre-Run Routine

Why Should You Perform Dynamic Warm-ups Pre-Run?

Performing dynamic warm-up exercises before your run is important especially if you've been sitting at a desk, carrying a heavy bag, standing with bad posture, or walking in heels the whole day.

These exercises can help reset your muscles, improve your motor control, and prepare your nervous system for running.

1️⃣ Hamstring Scoops - 15x

 

2️⃣ Lunge + Thoracic Rotation - 15x

3️⃣ A-Skips - 20x

 

If you're not moving well, you definitely won't be running well. Give these a try before your next run!

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Rearfoot Strike versus Forefoot Strike, Which one is better?

This is a common question that I come across with many runners, which foot strike pattern should I choose to help me run better?

 
 

There is little scientific evidence showing that one-foot strike is more beneficial than the other. A rear-foot strike is more commonly seen in recreational runners and transitioning to a forefoot strike does not mean improvements in running economy or reduced risk of injuries.

However, there are certain situations where transitioning to a different strike pattern can help. This is based on many factors such as injury history, running analysis findings, movement assessment, footwear etc.

If you are in the process of changing your foot-strike pattern, make sure to modify your running mileage/training accordingly and perform specific strength exercises to help your body transition smoothly.

If you are interested in working with us, schedule a free discovery call!

_
Xu Y, Yuan P, Wang R, Wang D, Liu J, Zhou H. Effects of Foot Strike Techniques on Running Biomechanics: A Systematic Review and Meta-analysis. Sports Health. 2021 Jan/Feb;13(1):71-77. doi: 10.1177/1941738120934715. Epub 2020 Aug 19. PMID: 32813597; PMCID: PMC7734358.

Thompson, Missy et al. “The Coupling of Stride Length and Foot Strike in Running.” Frontiers in sports and active living vol. 4 768801. 12 Apr. 2022, doi:10.3389/fspor.2022.768801

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Runners: 3 Strength Exercises to Incorporate Into Your Training

 

Why you should add single-leg exercises into your workouts

Running is essentially jumping from one leg to the other repeatedly. That is why efficiently absorbing load through a single leg is crucial.

Here are 3 strength exercises incorporating single leg loading to help improve your running:

1️⃣ Loaded Marches - 3 x 30-40 seconds

 
 
 

2️⃣ Band Single Leg RDLs - 3 x 10

 
 

3️⃣ Front Rack Reverse Lunges - 3 x 10

 
 
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Improve Your Running Mechanics: Hip Extension

Importance of Hip Extension During Running

During the toe-off phase of running, at least 10-15 degrees of hip extension range is crucial to set up for efficient propulsion. This is also known as triple extension when the trail leg is in full hip, knee, and ankle extension.

Issues That Can Occur When There Is a Lack of Hip Extension

When a runner lacks proper hip extension mobility, some common compensations that can occur include lumbar spine hyperextension, shortened running stride, and increased loading at the ankle joint. Inefficient running form can eventually lead to a repetitive stress injury.

 

Hip Flexor Weakness Can Be One of The Causes of Limited Hip Extension Mobility

If you have been stretching and continue to feel hip flexor tightness, the issue might not be a shortened muscle. Weakness can sometimes be perceived as muscle tightness. Try strengthening the muscle instead and see if that fixes the issue.

Here Are Some Exercises To Strengthen Your Hip Flexors:

1️⃣ Eccentric hip flexion contraction w/ Kettlebell

🔸Make sure to keep your back flat on the bench
🔸Bring both legs to your chest, hold onto the opposite leg and slowly lower the weighted leg down

 
 

2️⃣ End-Range hip flexion isometric holds

🔸Bring your knee up to your chest, release and hold the position
🔸Make sure to keep your core and glutes engaged

 
 

3️⃣ Resistant Band marches in Triple extension

🔸Raise your knee up towards your chest
🔸Make sure to keep your core and glutes engaged

 
 
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3 Exercises for Foot/Ankle Repetitive Stress Injuries

What Can Cause a Repetitive Stress Injury?

Repetitive stress injuries of the foot and ankle commonly occur in runners of all levels. There are many factors to consider leading up to this kind of injury including injury history, tissue capacity, training load, recovery, and equipment.

How to Treat a Repetitive Stress Injury?

The goal of these exercises is to start the process of desensitization as well as rebuild injured tendons/soft tissues. We want to gradually expose the injured area to time under tension before progressing to more demanding movements.

Here are some rehab exercises to treat a repetitive stress injury at the foot/ankle:

1️⃣ Isometric SL heel raise

3 sets of 30-45 sec. holds

 
 

2️⃣ Isometric Wall sit + soleus raise

3 sets of 30-45 sec. holds

 
 

3️⃣ Isometric lunge + heel raise

3 sets of 30-45 sec. holds

 
 

If you are dealing with a repetitive stress injury that doesn’t seem to get better, contact us to see if we can help!

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Improve Your Running Efficiency: Increasing Step rate to prevent Over-striding

What is over-striding and why is it bad?

Over-striding is defined when your initial foot strike lands in front of your center of mass (picture on the left). This causes an increase in joint loading, ground reaction forces, and breaking forces. If your body is not able to adapt to these forces an injury can occur. Ideally, your foot should be landing close to your center of mass, somewhere between your ears and eyes.

Here's a quick strategy to improve your running efficiency and decrease joint loads

One simple strategy is by increasing your step rate per minute (SPM) by 5-10%. This has been shown to reduce lower extremity joint loading and improve running kinematics. The picture on the right shows me running at a 10% increased SPM which puts my initial foot strike closer to my center of mass.

 
 
IMG_2745.JPG

🔸Increasing your SPM by more than 10% requires greater oxygen consumption which can affect your running efficiency
🔸I use an app called RunTempo, which is a metronome to help find and modify your SPM when training
🔸Give this a shot and see if it helps!


References:

Bramah C, Preece SJ, Gill N, Herrington L. A 10% Increase in Step Rate Improves Running Kinematics and Clinical Outcomes in Runners With Patellofemoral Pain at 4 Weeks and 3 Months. Am J Sports Med. 2019 Dec;47(14):3406-3413. doi: 10.1177/0363546519879693. Epub 2019 Oct 28. PMID: 31657964; PMCID: PMC6883353.

Lyght M, Nockerts M, Kernozek TW, Ragan R. Effects of Foot Strike and Step Frequency on Achilles Tendon Stress During Running. J Appl Biomech. 2016 Aug;32(4):365-72. doi: 10.1123/jab.2015-0183. Epub 2016 Mar 8. PMID: 26955843.

Heiderscheit, Bryan C et al. “Effects of step rate manipulation on joint mechanics during running.” Medicine and science in sports and exercise vol. 43,2 (2011): 296-302. doi:10.1249/MSS.0b013e3181ebedf4.

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