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Knee Injury Ligaments (Part 3)

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Filed Under (ACL Injury, Knee Injury, Knee Pain) by Rick Kaselj on 01-09-2010

Here is part 3 of my knee pain and knee injury series.

If you missed part 1, you can see it here.  If you missed part 2, you can see it here.

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Muscles

Illu lower extremity muscles 240x300 Knee Injury Ligaments (Part 3)The movements and the stabilization of the knee joint are supported by the quadriceps and the hamstrings. The quadriceps is actually composed of four individual muscles located on the anterior upper leg. These muscles are the vastus lateralis, vastus medialis, vastus intermedius and rectus femoris. These muscles fuse, forming the quadriceps tendon. The quadriceps straightens the knee by pulling the patella up on contraction.

The hamstrings are the muscles that attach to the tibia, specifically at the back of the knee. It consists of three individual muscles: biceps femoris, semitendinosus and semimembranosus. The hamstrings functions by flexing or bending the knee joint. This muscle group also provides stability on both sides of the knee.

Ligaments

The stability of the knee largely depends on the four major knee ligaments: the medial collateral ligament, lateral collateral ligament, anterior cruciate ligament and posterior cruciate ligament. Ligaments are the tough but slightly elastic bands of connective tissues that hold two or more bones together. Excessive movements, such as hyperextension or hyperflexion, at the knee joint are restrained by these ligaments, stabilizing the knee joint and keeping the bones in their correct alignment during movements.

Medial and lateral collateral ligament

The medial collateral ligament, or MCL, resists excessive forces coming from the knee’s outer surface, or valgus forces. The lateral collateral ligament, or LCL, resists the forces coming from the inner surface of the knee, or varus forces. These ligaments are located on the outside of the knee joint and are able to heal on their own.
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Anatomy of Knee Pain (Part 2)

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Filed Under (ACL Injury, Knee Injury, Knee Pain) by Rick Kaselj on 31-08-2010

Here is part 2 of my knee pain and knee injury series.

If you missed part 1, you can see it here.

Anatomy of the Knee cont.

Lower Leg Bones 300x296 Anatomy of Knee Pain (Part 2)Next to the femur, the tibia is the largest bone in the body. It is the weight bearing bone of the lower leg. The upper end of the tibia joins with the femur and its lower end joins with the talus, the bone that forms the lower part of the ankle. The fibula is located on the outer side of the leg. Unlike the tibia, this bone is non-weight bearing. Instead, it functions as an ankle joint stabilizer and as an attachment site for one of the four major knee ligaments and the biceps femoris tendon. The lower end of the fibula protrudes on the lateral side of the ankle.

Patella

The patella, also known as the kneecap, protects the knee joint. It holds the quadriceps tendon on the lower end of the femur, acting as a fulcrum for the quadriceps muscles. The quadriceps is a group of four individual muscles on the anterior part of the thigh. The lower patella connects to the tibia through the patellar tendon.

Menisci

Incompletely covering the surface of the tibia that joins with the femur are the C-shaped fibrocartilages known as the medial and lateral menisci. The menisci function as shock absorbers that equally spread the weight of the body, reducing friction between the tibia and the femur during knee movements. They assist in knee rotation and play a function in stabilizing the ligaments.

Overview of Knee Pain (Part 1)

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Filed Under (ACL Injury, Exercise Rehabilitation, Fitness Education, Knee Pain) by Rick Kaselj on 30-08-2010

I have got a lot of great feedback from my last post on knee pain, knee injuries and ACL injuries.

If you missed it, you can check it out here.

Overview of Knee Pain

Knee Pain Exercise 225x300 Overview of Knee Pain (Part 1)The knee is the largest joint in the human body. In the most recent report of the U.S. Department of Health and Human Services, the knee is also one of the most commonly injured joints. Each year, more than 5.5 million orthopaedic visits are made due to knee injuries. The joint’s high susceptibility to injuries is mainly attributed to its intrinsic anatomical structure and its function during weight-bearing. Moreover, because of the increasing problem of obesity and a sedentary lifestyle, knee injuries are one of the leading causes of disability in modern society.

Knee injuries are complex because they typically involve more than damaged structure. The anterior cruciate ligament, the major stabilizing ligament of the knee, is frequently the cause of knee pain and injury in young, healthy adults. ACL injuries can be devastating. A significant number of patients with ACL injuries require reconstruction, prolonged rehabilitation and as a result, high health care costs. For these reasons, ACL injury prevention has been the focus of many researchers over the last few decades.

Neuromusclar training programs consisting of specialized stretching and strengthening exercises of the knee’s dynamic stabilizers, agility training and plyometrics have been found to be the most effective strategies to prevent anterior cruciate ligament injuries. These exercise programs are designed to help clients regain and maintain the functions of the knee without putting much force on the ACL. Some of these exercises are introduced in the last section of this guide.

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Knee Pain Due to ACL Injury

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Filed Under (ACL Injury, Knee Injury, Knee Pain) by Rick Kaselj on 23-08-2010

I got a lot of great feedback from my last ACL Injury article.

I decided to do a bit of a video on knee pain and ACL injuries.

3 ACL Injury Exercise Mistakes

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ACL Injuries in Female Athletes

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Filed Under (Exercise Rehabilitation, Fitness Education, Knee Injury, Knee Pain) by Rick Kaselj on 19-08-2010

ACL Injuries in Females

NASA knee brace ACL Injuries in Female AthletesOver the last decade, torn and ruptured anterior cruciate ligament (ACL) in female athletes have increased at an alarming rate.

Consistently, it has been found that a higher prevalence of ACL injuries occurs in female athletes over their male counterparts.  Women are 2.4 to 9.7 times more likely to suffer from ACL injury when compared to men of similar competition and training levels.

Females involved in sports involving landing from a jump, abrupt changing of directions and cutting, such as basketball, soccer, gymnastics, skiing and gymnastics are especially at risk. Reports state that women basketball players are 5 to 7 times more likely to have an ACL injuries than men and that female soccer players are injured more than twice as often as men (American Council on Exercise, 2009). On average, women rupture their ACL ligaments 5 years earlier than men do. In addition, majority of females with torn ACLs are between the ages of 15 and 25.

Although the exact cause is still unclear, and the possibility of a complex interplay between different factors is likely, possible explanations of the gender difference in the rate of ACL injuries have been suggest and reviewed. The suggested reasons are anatomic differences, joint laxity, range of motion, hormonal secretion and training techniques are suggested factors that predispose women to ACL injuries.

There are two different factors that can influence an injury.  The first is intrinsic factors.  Intrinsic factors are internal factors with the body that can increase the risk of injury.


5 Intrinsic factors that Lead to ACL Injuries in Females

What to Do with a Client with Knee Pain?

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Filed Under (Chronic Conditions, Hip Injury, Knee Injury, Knee Pain) by Rick Kaselj on 14-07-2010

Here is another interview from Orange County.

In Orange County, I was at a fitness conference.

The funny thing is you can hear all the plane overhead from the local airport.

In the interview, I am chatting with Rochelle Gravance.

Rochelle is big in to knee pain.

It is so great to run into another person that focuses on injuries.

I know one of the big injuries I get are knee injuries.  I know a fair bit about knee pain and injuries but I am always looking for new tips and tricks.  I love hearing what others that specialize in injuries have to say and what is new in the research.  Last week, I reviewed a research article on exercise and patellofemoral pain syndrome, check it out here.

In the video she talks about a few key tips to remember when training a client with knee pain.

What to Do If you Have a Client with Knee Pain?

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What to Do About Knee Pain from Running (Interview with Jill Bruyere)

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Filed Under (Knee Injury, Knee Pain) by Rick Kaselj on 13-07-2010

This past weekend I was in Orange County at a fitness conference.

I got up early before the conference and went for a run.

I love taking my running shoes with me with I travel and running.

Running is such a great way of exploring a new place.

After my run, my knees were a little sore, no old jokes please.

During lunch, I was chatting with a fellow fitness professional, Jill Bruyere, about running and she gave me a few good tips for my knee pain.

What to Do About Knee Pain After Running?


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Knee Pain Due to Tendonopathy

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Filed Under (Exercise Rehabilitation, Knee Injury, Knee Pain) by Rick Kaselj on 30-03-2010

Here is a video clip of Eric Cressey chatting about knee pain related to tendonopathy.

Rick Kaselj, MS

Bulletproofing Your Clients Knees and Lower Back with Mike Robertson

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Filed Under (Corrective Exercise, Exercise Rehabilitation, Fitness Education, Interviews, Knee Injury, Knee Pain, Low Back Pain, Lumbar Fusion Exercises) by Rick Kaselj on 30-03-2010

When I was in Indianapolis earlier this year at the NCAA Final Four, I stopped by to

visit Mike Robertson and we did a quick video for you.

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Mike and I did a quick interview for you so you have a better idea of what to expect from the courses/seminar.

Lets get to the interview.

What You will Learn in the Seminars with Mike Robertson

In Part 1 of the interview, Mike Robertson will share with you:

- Who is Mike
- What bulletproofing Your Clients’ Lower Back will cover
- What bulletproofing Your Clients’ Knees will cover

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What to do about a Meniscus Tear

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Filed Under (Ankle Injury, Exercise Rehabilitation, Knee Pain) by Rick Kaselj on 22-03-2010

meniscus knee injiury exercises 300x244 What to do about a Meniscus TearI received a question from a personal trainer who has a number of clients with meniscal injuries; she was looking for some suggestions on program design and exercises.

There is a lot to consider when it comes to lower body injuries and exercises.  I go through all kinds of exercises for the lower body in the following courses:

Exercises Rehabilitation of the Knee

Balance Training for the Rehab Client

I will focus on a few key points to remember when strengthening the knee that has a meniscus injury.

What Does the Meniscus Do?

Taking a step back, the menisci act to spread the load of the body’s weight and reduce friction during knee movement.  When your client talks about “torn cartilage in the knee” they are often talking about meniscus.

5 Keys to Help Your Clients with a Meniscus Injury

Time Load on the Meniscus

Look at your client and see the amount of time they spend standing, walking, running and exercising during the day.  All of these activities puts load on the meniscus and if the meniscus is damaged, it will lead to inflammation.  It is important to load the meniscus, but the amount of time they load their meniscus needs to be monitored and your client needs to address any inflammation they have.

Plus a decrease in the load during the day on the meniscus will allow the meniscus to heal better and allow your client to do more during their exercise program when it comes to weight bearing and leg strengthening exercises.

Get on the Bike

Whatever your opinion is of the bike, the bike is great to strengthen the injured knee while putting low load on the internal structures of the knee, like the meniscus.

Get your client on the bike in order to strengthen the muscle around the knee.

Collapsing Feet

If your client has excessive pronation (flat feet) during gait, this will lead to increase medial load on the knee.  If their cartilage issue is the medial meniscus, this will put greater stress on their meniscus when doing day to day activities.  You need to assess you client to see if this is making the meniscus symptoms worse and slowing down their recovery.

Other Knee Strengthening Exercises

A lot of the common exercises given for the meniscus injury are hip flexion and hip extension exercises.  This is important, but does not address knee extension.  Few exercises that your client can do to strengthen the quadriceps:

Single Leg Tub Press WATERMARK Start 300x150 What to do about a Meniscus TearSupine Tubing Leg Press

In a supine position straightening the legs out against resistive tubing.

Changing Stance Width

With the typical closed chain exercises like squats and lunges can be tough for a client with meniscus issues.  What you can do is play around with the hip width that your client performs the exercises.  Sometime varying the distance between their feet will decrease the load on the injured area of the meniscus and allow them to perform the exercise.

I have to thank Barb for the question about meniscus injuries and exercises.

Do let me know what you think of the post and if you have any tips for other fitness professionals on exercise and meniscus injuries.

Rick Kaselj, MS

Before I go, one last thing.

Lateral meniscus damaged tibial cartilage legend 300x225 What to do about a Meniscus Tear

The picture above gives you an idea of how it looks in the knee.

1 = meniscus

2 = femur (thigh bone)

3 = tibia (shin bone)

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Is Downhill Walking Good For You After Anterior Cruciate Surgery?

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Filed Under (Exercise Rehabilitation, Knee Injury, Knee Pain) by Rick Kaselj on 13-03-2010

ACL Knee Injury1 224x300 Is Downhill Walking Good For You After Anterior Cruciate Surgery?I was digging in the journals again and came across this journal article.

I know it is an old one; from 1994.

I think the main point is a good one, plus I have been on a bit of a knee injury exercises, kick as of late.

Plus, I am always looking to improve the Exercise Rehabilitation of the Knee course.

If you have a client that has had anterior cruciate ligament surgery, there is a lot to consider.

Something that I have not thought about is how the ACL graft will do when walking down hill.

Will walking down hill lead to re-injuring the ACL?

Keep reading to find out.

Downhill Walking After ACL Surgery

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#1 Running Injury Mistake Run Leaders Make

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Filed Under (Exercise Rehabilitation, Fitness Education, Hip Injury, Knee Injury, Knee Pain, Low Back Pain, Run Injuries) by Rick Kaselj on 17-01-2010

I just finished up my winter run with my son and my dog.

While I was running I started thinking about the number one mistake that run leaders make with their clients when it comes to running injuries.

I will get to the number one mistake, but first let me give you a little background.

#1 Running Injury Mistake Run Leaders Make

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Knees Passing the Toes (Knee Pain)

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Filed Under (Corrective Exercise, Exercise Rehabilitation, Fitness Education, General, Knee Injury, Knee Pain) by Rick Kaselj on 19-12-2009

I just wrapped up my Exercise Rehabilitation of the Knee course at Douglas College.

I learn so much from the fitness professionals that attend.  They all have great questions and I wanted to share one with you.

I got a great question from one of the registrants about knees passing the toes.

Commonly taught in fitness certification is the fact that you should not have the knees passing the toes.  My response to this is, it depends on the situation.

The Deal on the Knees Passing the Toes

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