When you sustain a knee injury on the job, the physical pain is only part of the challenge. Understanding what type of injury you have and securing the workers' compensation benefits you deserve can feel overwhelming. Not all knee injuries are created equal, and identifying your specific injury could mean the difference.
Common Types of Workplace Knee Injuries
Knee injuries make up 12 percent of all workplace sprains, strains, and tears. Each year, over 105,000 workers get knee injuries that are serious enough to need time off work. Identifying the type of knee injury you have is the first important step for proper treatment and full compensation.
Meniscus Tears
A torn meniscus involves damage to the cartilage in your knee joints. This type of injury commonly occurs in factory work environments where heavy lifting and repetitive movements are standard job requirements. Meniscus tears typically happen with forcefully twisting or rotating your knee, applying pressure with your full weight, deep squatting, kneeling, or making sudden stops and turns.
Symptoms of a meniscus tear include:
- Popping sensations in the knee
- Swelling and stiffness
- Pain while twisting or rotating your knee
- Difficulty fully straightening your knee
- Unable to bear full weight on the affected leg
Ligament Injuries: ACL, PCL, MCL, and LCL
The knee relies on four major ligaments to maintain stability and function. When workplace accidents damage these ligaments, the consequences can be severe and long-lasting.
ACL Tears (Anterior Cruciate Ligament)
The anterior cruciate ligament connects the tibia to the back bottom part of the femur. This complex joint stabilizes the knee area and prevents the shinbone from sliding forward. When an ACL tears, workers typically hear or feel a distinct popping sound. ACL injuries can cause major pain, swelling, instability, loss of range of motion, and an inability to bear weight on the affected leg.
ACL tear injuries most commonly occur when blunt force strikes the knee, pushing it into an abnormal or awkward position. This can happen when objects or equipment fall on a worker's knee or when a worker accidentally collides with stationary objects or machinery. Hyperextension and sudden direction changes can also cause the ligament to tear, particularly when a worker's foot or knee becomes caught between objects.
PCL Tears (Posterior Cruciate Ligament)
The posterior cruciate ligament runs along the back of the knee and keeps the thighbone connected to the shinbone. When workers sustain trauma to the PCL, the resulting tear is extremely painful and can take weeks to fully heal.
Medical professionals grade ligament injuries on a severity scale. A grade one injury involves the ligament being slightly stretched. A grade two injury means the ligament has loosened and partially torn. A grade three injury is the most serious, involving a complete tear of the PCL ligament that results in total knee joint instability.
MCL Injuries (Medial Collateral Ligament)
The medial collateral ligament runs from the femur to about four inches above the tibia. The primary function of the MCL is preventing the leg from overextending while also stabilizing and rotating the knee. When workers injure or tear the MCL, pain is often severe, accompanied by significant swelling and inability to put weight on the injured leg.
MCL injuries are often the result of force pushing the knee sideways. Those engaged in active professions face greater risk of MCL injuries, particularly from workplace slip and fall accidents, contact with machinery or equipment, or work-related automobile accidents.
LCL Injuries (Lateral Collateral Ligament)
LCL injuries involve the lateral collateral ligament, which runs along the outside of the knee joint from the outside bottom of the femur to the top of the fibula. This ligament plays a crucial role in stabilizing the knee. An LCL injury might involve a minor sprain, though severe cases involve tears requiring surgery, significant recovery time, and extended periods away from work.
Workers often sustain LCL injuries in workplace falls or accidents that place excessive stress or direct force on the inside of the knee joint. Symptoms include inflammation, pain, swelling, instability, popping sensations, soreness, and an inability to put pressure on the knee.
How Workplace Knee Injuries Occur
Understanding how knee injuries happen in workplace settings helps establish the work-related nature of your claim. Common scenarios include:
- Slip and fall accidents on wet floors, uneven surfaces, or cluttered work areas
- Falls from heights including ladders, scaffolding, or elevated platforms
- Direct impact from falling objects, equipment, or machinery
- Workplace vehicle accidents involving forklifts, trucks, or other machinery
- Repetitive motion from climbing ladders, lifting heavy boxes, or prolonged kneeling
- Caught-between accidents where the foot or knee becomes trapped, forcing the joint into unnatural positions
Maximizing Your Iowa Workers' Compensation Benefits
Your employer's insurance company is not working in your best interest. Understanding all available benefits and common insurance company tactics is essential to protecting your financial future after a workplace knee injury.
Available Workers' Compensation Benefits
Medical Expense Coverage
Workers' compensation covers all reasonable and necessary medical expenses related to your knee injury, including:
- Hospital bills and emergency room visits
- Diagnostic testing such as X-rays, MRIs, and arthroscopic examinations
- Surgical procedures and related costs
- Follow-up appointments and specialist consultations
- Physical therapy and rehabilitation services
- Prescriptions and over-the-counter medications
- Medical aids including braces, splints, crutches, and other assistive devices
Wage Replacement Benefits
You may qualify for several types of disability benefits depending on your circumstances:
- Temporary Total Disability Benefits: Provides a portion of your pre-injury wages while you recuperate and cannot work
- Temporary Partial Disability Benefits: Available when you return to work at a lesser-paying position to accommodate your injury
- Permanent Partial Disability Benefits: Compensation for lasting impairment that affects your ability to work
- Permanent Total Disability Benefits: Ongoing weekly payments for workers who cannot return to any gainful employment
Common Insurance Company Tactics
Insurance companies frequently employ strategies to minimize or deny legitimate workers' compensation claims for knee injuries. Be aware of these common tactics:
Pre-Existing Condition Arguments
Insurance companies often deny claims by stating that workers had pre-existing knee injuries and therefore should not receive benefits. However, pre-existing injuries do not automatically disqualify you from workers' compensation. If your work accident or job duties aggravated, accelerated, or worsened a pre-existing knee condition, you still qualify for full benefits.
Refusing Necessary Treatment
Employers may be resistant to authorizing expensive but necessary treatments, particularly surgical procedures like total knee replacement. When pain medication, ice therapy, and physical therapy do not relieve severe knee pain, surgery may be necessary. Insurance companies sometimes refuse to approve these procedures despite medical necessity.
Premature Claim Closure
Insurance companies may attempt to close your claim before you have reached maximum medical improvement (MMI) or before the full extent of your permanent impairment is known. This tactic prevents workers from receiving ongoing medical care and fair compensation for lasting disabilities.
Undervaluing Permanent Impairment
If the doctor determines you are impaired but the rating seems insufficient given your limitations and ongoing symptoms, you have the right to seek a second examination by another doctor at the employer's expense. Insurance companies often push for lower impairment ratings to reduce their financial obligations.
Critical Steps to Protect Your Claim
Report Your Injury Immediately
Iowa law requires workers to report knee injuries to their employer as soon as possible after the accident occurs. Delays in reporting can jeopardize your claim, as insurance companies may argue the injury did not happen at work or occurred outside of employment.
Document Everything
Maintain detailed records of your injury, including:
- Accident reports filed with your employer
- All medical records, test results, and imaging studies
- Documentation of symptoms and how they affect your daily life and work capacity
- Records of all medical appointments, treatments, and prescribed medications
- Receipts for out-of-pocket medical expenses and travel costs
- Communications with your employer and the insurance company
Seek Legal Representation Early
Many injured workers make costly mistakes before understanding their rights and responsibilities under Iowa workers' compensation law. Insurance companies know that unrepresented workers often accept less than they deserve. An experienced workers' compensation attorney can:
- Evaluate your claim to identify all available benefits
- Handle communications with the insurance company
- Gather medical evidence to support your claim
- Challenge wrongfully denied claims through the appeals process
- Negotiate fair settlements that account for future medical needs
- Represent you at hearings if disputes arise
Treatment and Recovery Considerations
The treatment for knee injuries depends on the type and severity of the damage. Understanding potential treatment paths helps you make informed decisions about your medical care.
Conservative Treatment Options
Many knee injuries initially respond to non-surgical treatment:
- Rest and activity modification to avoid movements that worsen symptoms
- Ice therapy to reduce swelling and manage pain
- Pain medications and anti-inflammatory drugs
- Bracing or splinting to stabilize the knee joint
- Physical therapy to strengthen surrounding muscles and restore range of motion
- Cortisone injections for inflammation management
Surgical Interventions
When conservative treatments fail or when injuries are severe, surgery may be necessary:
Arthroscopic Procedures
- Arthroscopic Meniscectomy: Removes the torn portion of the meniscus while leaving healthy tissue to heal
- Meniscus Repair: Surgically repairs damaged meniscus tissue
- Ligament Reconstruction: Rebuilds torn ligaments using grafts
Advanced Surgical Options
- Meniscus Transplantation: Transplanting donor meniscus tissue in cases where the entire meniscus has been removed and pain continues
- Total Knee Replacement: Necessary when severe post-traumatic arthritis develops, causing bone fragments to rub against cartilage and create chronic inflammation, swelling, and debilitating pain
Recovery Timelines
Recovery times vary significantly based on injury severity and treatment approach:
- Minor sprains may heal within weeks with conservative treatment
- Surgical repairs typically require several months of recovery
- ACL reconstruction generally requires six months to one year for full recovery
- Workers in physically demanding jobs may need longer recovery periods before safely returning to work
- Some workers never regain full knee function and may face permanent restrictions
The average amount of time employees must recuperate away from work for knee injuries is 15 days. However, because knee injuries are difficult to treat, slow to heal, and easy to reinjure, many workers become permanently partially disabled when they sustain serious knee injuries.
Take Action to Protect Your Future
To learn more about Iowa's workers' compensation system, including the 7 Deadly Mistakes to Avoid if You are Hurt at Work, order a copy of our FREE book “Iowa Workers’ Compensation - An Insider’s Guide to Work Injuries” by calling 641-792-3595 or clicking here.
Why offer a Book at No Cost? Iowa workers' compensation attorney Corey J. L. Walker offers his book at no cost because he has represented hundreds of Iowans hurt at work and seen too many clients make mistakes before they knew about their rights and responsibilities, costing them thousands of dollars. Iowans injured on the job are beginning to realize that the workers' compensation insurance company is not there to help them and they should at least consider having someone on their side.
For immediate assistance or to schedule your NO COST work injury case evaluation, contact us online or call (641) 792-3595