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Often Interchanged, but Not the Same; What Is a Sprain and What Is a Strain?

Muscle strains, often colloquially dubbed "pulled muscles," and muscle sprains represent common but often misunderstood injuries. While muscle strain and sprain are often used interchangeably, they are quite different. Read on as we delve into the intricacies of muscle strains and sprains, shedding light on their causes, symptoms, diagnosis, and optimal treatment strategies. If you are concerned that you have a muscle sprain or strain, we recommend contacting us to schedule an appointment with one of our specialists or visiting one of our urgent care facilities.

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Understanding Muscle Sprains and Muscle Strains: An Overview

What are Sprains

A muscle sprain occurs when the ligaments, which are tough bands of fibrous tissue responsible for stabilizing joints, are stretched or torn. Muscle sprains are frequently observed in joints throughout the body. This injury typically results from sudden or forceful movements that push a joint beyond its normal range of motion, such as twisting, turning, or landing awkwardly.

The primary cause of muscle sprains is the application of excessive force or stress on the ligaments, leading to overstretching or tearing. Factors predisposing individuals to muscle sprains include poor flexibility, inadequate warm-up before physical activity, muscle weakness or imbalance, fatigue, and engaging in sports or activities involving rapid changes in direction or sudden stops. Additionally, environmental factors such as slippery surfaces or uneven terrain can increase the risk of falls or accidents that may result in muscle sprains.

Understanding these predisposing factors can help individuals take preventive measures, such as incorporating proper warm-up routines, strength training, and flexibility exercises, to reduce the risk of muscle sprains and maintain overall musculoskeletal health.

Muscle sprains are frequently observed in joints throughout the body, particularly those that undergo repetitive or forceful movements. Some common areas where muscle sprains occur include:

Ankles: Ankle sprains are among the most common types of sprains, often resulting from activities such as running, jumping, or landing on uneven surfaces.

Knees: Sprains of the ligaments surrounding the knee joint can occur due to sudden twisting movements or direct impact, commonly seen in sports like basketball, soccer, or skiing.

Wrists: Wrist sprains may occur from falls onto outstretched hands or during activities that involve repetitive wrist movements, such as gymnastics or racquet sports.

Shoulders: Shoulder sprains can happen as a result of sudden movements or trauma, particularly during activities involving overhead motions like swimming or weightlifting.

Elbows: Elbow sprains can occur from sudden impact or overextension, often seen in contact sports like football or martial arts.

Back: Sprains of the muscles and ligaments in the back can result from improper lifting techniques, sudden movements, or poor posture, leading to strains and sprains.

Neck: Neck sprains may occur from sudden movements or whiplash injuries, commonly associated with car accidents or contact sports.

What are Muscle Strains

Muscle strains occur when a muscle is stretched beyond its normal range, resulting in partial or complete tears. These injuries are frequently observed in muscles that span two joints and are prevalent during explosive actions like sprinting or sudden increases in exercise intensity, such as during training camps.

To comprehend muscle strains, it's essential to grasp the mechanics behind them. These injuries typically arise from overstretching a muscle, causing tearing. The most common sites for these tears are at the junction between the muscle and the tendon, but they can also occur within the muscle or at the tendon-bone attachment points.

Muscles, often called the body's building blocks, rely on tendon attachments for movement. Activities demanding explosive movements, like squats or rapid changes in direction, can lead to excessive force, tearing the connective tissue. The quadriceps and hamstrings, crucial players involving multiple joints, are particularly prone to these injuries.

Several factors can predispose individuals to muscle strains, including age, prior muscle injuries, inflexibility, muscle weakness, and fatigue.

Muscle strains, also known as pulled muscles, can occur in various parts of the body where muscles are present. Some common areas where muscle strains frequently occur include:

Hamstrings: Strains in the hamstring muscles, located at the back of the thigh, are quite common, especially among athletes involved in activities like running, sprinting, or jumping.

Quadriceps: The muscles at the front of the thigh, known as the quadriceps, are susceptible to strains, particularly during activities that involve kicking, squatting, or sudden acceleration.

Calves: The muscles in the lower leg, including the gastrocnemius and soleus muscles, are prone to strains, often seen in activities such as running, jumping, or rapid changes in direction.

Groin: The muscles of the groin area, including the adductor muscles, can be strained during activities that involve sudden changes in direction, twisting movements, or kicking motions.

Lower Back: Strains in the muscles of the lower back are common, often resulting from lifting heavy objects with improper form, sudden movements, or prolonged poor posture.

Shoulders: The muscles around the shoulders, including the deltoids and rotator cuff muscles, can experience strains due to repetitive overhead motions, lifting heavy objects, or sudden impacts.

Neck: Strains in the neck muscles can occur due to poor posture, sudden movements, or overuse, leading to symptoms such as stiffness, pain, and limited range of motion.

Forearms: Muscles in the forearm, such as the flexor and extensor muscles, can be strained from repetitive gripping, lifting, or twisting motions, commonly seen in activities like weightlifting or racket sports.

In summary, while both muscle strains and muscle sprains involve damage to soft tissues within the body, a muscle strain refers explicitly to an injury to the muscle fibers themselves, while a muscle sprain involves damage to the ligaments that support and stabilize joints. Understanding the differences between these two types of injuries can help individuals seek appropriate treatment and rehabilitation to facilitate recovery and prevent further damage.

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Are you suffering from pain?

Please contact us! We'd love to help.

If you have pain, please contact us and schedule an appointment. We have urgent care facilities all over New Jersey for your convenience.

Treatment for Muscle Sprains and Muscle Strains

Diagnosis of a Muscle Sprain or Muscle Strain

Muscle sprains and muscle strains are typically diagnosed through similar methods. Both involve a combination of medical history, physical examination, and sometimes imaging.

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Medical History: The healthcare provider will begin by asking about the individual's symptoms, including the location and severity of the pain, when the pain started, any recent physical activities or injuries, and any previous history of similar symptoms.

Physical Examination: A thorough physical examination assesses the affected area. The healthcare provider will palpate the area to identify areas of tenderness, swelling, or deformity. They may also assess the range of motion of the affected muscle or joint and look for signs of weakness or instability. Specific tests may be performed to evaluate the integrity of the ligaments surrounding the joint and assess for signs of ligamentous injury.

Functional Tests: Functional tests may be performed to evaluate the individual's ability to perform specific movements or activities related to their injury. These tests help assess the extent of functional impairment and guide treatment planning. For example, in the case of an ankle sprain, functional tests such as the anterior drawer test or talar tilt test may be performed to assess stability and identify ligamentous laxity.

Imaging: In some cases, imaging studies may be ordered to confirm the diagnosis and assess the severity of the injury. While imaging is not always necessary for diagnosing muscle sprains, it may be recommended if the healthcare provider suspects a more severe injury or if symptoms persist despite conservative management.

Common imaging modalities that may be used to evaluate muscle sprains or muscle strains include:

  • Ultrasound: For muscle strains, ultrasound imaging can provide real-time visualization of the affected muscle and surrounding tissues, helping identify areas of inflammation, tears, or other abnormalities.
  • MRI (Magnetic Resonance Imaging): MRI scans can provide detailed images of the soft tissues, including muscles, tendons, and ligaments, allowing for the visualization of muscle tears, edema, or other structural abnormalities. MRI is often the imaging modality of choice for evaluating the severity of muscle sprains and identifying associated injuries.
  • X-ray: X-rays may be ordered to rule out other potential causes of pain or discomfort, such as fractures or joint abnormalities. While X-rays do not typically show soft tissue injuries like muscle sprains, they can help identify fractures or dislocations that may be present alongside the sprain.

Meet our Sports Medicine Team

Understanding the causes, symptoms, diagnosis, and treatment options for muscle strains is crucial for athletes and individuals. Combining medical knowledge with effective rehabilitation strategies can enhance recovery outcomes and reduce the risk of future injuries. If you're experiencing symptoms or have concerns about muscle strains or sprains, let our team of experts at Princeton Orthopaedic Associates help you navigate your injury and get you back on your feet! You can contact us here to schedule an appointment.

Sports Medicine Specialists in NJ: POA Leading the Way

In the world of sports medicine, Princeton Orthopaedic Associates, with its team of sports medicine specialists, is dedicated to ensuring that you receive the best care possible to stay at the top of your game. With eight conveniently located facilities, our orthopaedic practice is your go-to destination for comprehensive sports medicine solutions.

Dr. Haskel - Princeton Orthopaedic Associates
Dr. Jonathan Haskel
Dr. Brendan Skeehan

What is Sports Medicine?

Sports medicine is a multifaceted field focused on the prevention, diagnosis, treatment, and rehabilitation of injuries and conditions associated with physical activity. Whether you're an elite athlete or a weekend enthusiast, sports medicine specialists play a crucial role in keeping you in prime condition. At Princeton Orthopaedic Associates, we take pride in our expert team who excel in delivering specialized care for a wide range of sports-related issues.

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Dr. William Rossy
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Dr. Jeffrey Abrams

Common Sports Medicine Conditions

Sprains and Strains 

It's common for athletes to experience sprains (ligament injuries) and strains (muscle injuries). Our sports medicine specialists are skilled in diagnosing the severity of these injuries and providing appropriate treatment, which may include rest, physical therapy, or even surgical intervention.

Fractures and Dislocations 

Broken bones and joint dislocations can sideline even the most dedicated athletes. Our team of sports medicine doctors can expertly assess these injuries, providing surgical intervention when necessary and guiding the recovery process.


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Overuse Injuries 

Athletes often face overuse injuries, such as stress fractures or tendonitis. These conditions require a delicate balance of rest, physical therapy, and ergonomic adjustments. Our specialists develop personalized treatment plans to promote a full recovery.

ACL Tears

One of the most prevalent and disruptive injuries in sports is the anterior cruciate ligament (ACL) tear. This injury often requires immediate attention and specialized treatment. Our sports medicine specialists are well-versed in the diagnosis and management of ACL tears, offering both surgical and non-surgical options to restore stability and agility.

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Dr. Alexander Moskwa
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Dr. Steven Gecha

Hamstring Injuries

Hamstring injuries can be debilitating for athletes. These issues can range from minor strains to more severe tears. Our team of sports medicine doctors at Princeton Orthopaedic Associates is skilled in assessing the extent of hamstring injuries and formulating customized treatment plans, which may include physical therapy, rest, or, in certain cases, surgical intervention.

Meniscus Tears 

Meniscus tears are a common injury among athletes, affecting the cartilage in the knee joint. Our sports medicine specialists are adept at diagnosing and treating meniscus tears, utilizing both arthroscopic procedures and non-surgical interventions to restore knee health.

Dr. Prodromo - Princeton Orthopaedic Associates
Dr. John Prodromo
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Dr. Frederick Song

Princeton Orthopaedic Associates for Sports Medicine Doctors

With our eight convenient locations, POA offers you easy access to leading sports medicine specialists in New Jersey. We understand the importance of a multidisciplinary approach to sports medicine, which is why our team collaborates with physical therapists and other healthcare professionals to provide holistic care.

What sets us apart is our commitment to staying at the forefront of medical advancements. Our sports medicine specialists are trained in the latest surgical techniques and non-invasive treatments, ensuring that you receive the highest standard of care. Our sports medicine doctors work with individuals to maximize function and minimize disability and time away from sports, work, or school. That means our patients can get back to doing what they love to do — faster.

Welcome Dr. Haskel: Expert in Sports Medicine and Orthopaedics

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A huge welcome to another exciting addition to our team, Dr. Haskel, a highly specialized expert in sports medicine and orthopaedics. Dr. Haskel's impressive background and dedication to patient care make him an invaluable asset to our practice. Whether you're an athlete or someone dealing with joint injuries, fractures, sprains, or strains, Dr. Haskel is here to provide you with exceptional care.

A Local Expert with a Global Perspective

Born and raised in Morristown, NJ, Dr. Haskel has deep roots in our community. His specialization in sports medicine equips him with the knowledge and skills to address a wide range of injuries, particularly those involving the shoulder, elbow, and knee joints. His expertise extends to fractures, sprains, strains, and more, ensuring comprehensive care for all patients.

Educational Excellence

Dr. Haskel's journey to becoming a renowned orthopaedic surgeon began with his undergraduate education at Duke University, where he was a dedicated member of the Duke Men’s Crew Team. He then pursued his medical degree at Rutgers Robert Wood Johnson Medical School, solidifying his passion for healthcare.

His commitment to excellence led him to complete his orthopaedic surgery residency at the prestigious NYU Langone Orthopedic Hospital in New York City. Notably, he was elected by his peers and faculty to serve as an Executive Chief Resident in his final year of training.

Dr. Haskel - Princeton Orthopaedic Associates

World-Class Training and Research

Following his residency, Dr. Haskel sought further refinement of his skills through additional training at the renowned Steadman Clinic and Steadman-Philippon Research Institute in Vail, CO. His dedication to advancing orthopaedic knowledge is underscored by his authorship of over 30 peer-reviewed research papers and book chapters. His research contributions have been presented at national and international meetings, reflecting his commitment to pushing the boundaries of orthopaedic care.

Serving Team USA and the US Olympic Ski and Snowboard Teams

Dr. Haskel's expertise extends beyond the clinic. He has proudly served as a physician for Team USA and the US Ski and Snowboard Teams, offering medical coverage for events ranging from Colorado to Switzerland. Today, he continues to actively support the US Olympic Ski and Snowboard teams.

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Your Path to Recovery

Dr. Haskel is here to provide you with exceptional care, whether you're a professional athlete or an individual seeking top-tier orthopaedic treatment. If you're looking for specialized care, innovative solutions, and a compassionate approach to your orthopaedic needs, Dr. Haskel is your partner in recovery.

You can learn more about Dr. Haskel here. Don't hesitate to contact our office today to schedule your appointment with Dr. Haskel. We look forward to helping you achieve optimal health and recovery.

Understanding and Managing Tennis Elbow: Symptoms, Causes, and Effective Treatments

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Tennis elbow, or elbow tendonitis, medically known as lateral epicondylitis, is a common condition that can affect anyone, not just tennis players. It can be a painful and frustrating ailment that hinders your daily activities. In this blog post, we will delve into the symptoms, causes, and effective treatments for tennis elbow to help you better understand and manage this condition. If you or a loved one is struggling with tennis elbow, Princeton Orthopaedic Associates is here to provide top-notch care and support.

Recognizing the Symptoms of Tennis Elbow

Tennis elbow manifests itself through several distinct symptoms, including:

  1. Pain on the Outer Elbow: The most common and noticeable symptom of tennis elbow is pain on the outer part of the elbow, specifically around the bony bump called the lateral epicondyle.
  2. Weakness in Grip: You may experience weakness in your grip, making it difficult to hold objects, shake hands, or perform routine tasks.
  3. Stiffness: Stiffness in the elbow joint, particularly after periods of inactivity or upon waking up in the morning.
  4. Tenderness: The affected area may become tender to touch, indicating inflammation.
  5. Radiating Pain: In some cases, the pain may radiate down the forearm, making it even more uncomfortable.

Understanding the Causes of Tennis Elbow

Understanding the underlying causes of tennis elbow is crucial in preventing its onset. The primary causes include:

  1. Repetitive Overuse: Engaging in repetitive activities that involve gripping and twisting motions, such as tennis, gardening, or even excessive typing, can strain the tendons in your forearm, leading to tennis elbow.
  2. Improper Technique: Using incorrect techniques or equipment while participating in sports or performing manual labor can increase the risk of developing this condition.
  3. Age and Gender: Tennis elbow is more common in individuals between the ages of 30 and 50 and tends to affect men and women equally.
  4. Muscular Imbalance: Imbalances in forearm muscles can contribute to the development of tennis elbow, so strengthening exercises can be beneficial in preventing its occurrence.

Effective Treatments for Tennis Elbow

Fortunately, there are various treatments available to alleviate the symptoms of tennis elbow and promote healing. Some effective options include:

  1. Rest and Immobilization: Reducing or modifying activities that aggravate the condition is essential. Immobilizing the affected arm with a brace or splint can aid in the healing process.
  2. Physical Therapy: A physical therapist can develop a customized exercise plan to strengthen the forearm muscles and improve flexibility.
  3. Pain Management: Over-the-counter pain relievers, like ibuprofen, can help reduce pain and inflammation. Your healthcare provider may also recommend corticosteroid injections for more severe cases.
  4. Eccentric Exercises: These specialized exercises focus on lengthening the affected tendons to promote healing.
  5. Surgery (in Rare Cases): If conservative treatments prove ineffective, surgical options like tendon repair may be considered.

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Suffering from elbow pain?

Please contact us! We'd love to help.

If you are suffering from pain in your elbow, please contact us and schedule an appointment. We have urgent care facilities all over New Jersey for your convenience.


Tennis elbow can be a painful and disruptive condition, but with the right approach, it can be managed effectively. If you or someone you know is struggling with tennis elbow, seek professional care at Princeton Orthopaedic Associates. Our experienced team of orthopedic specialists is dedicated to providing you with the highest level of care and helping you regain your strength and mobility. Don't let tennis elbow hold you back – contact us today for personalized and comprehensive treatment options. Contact us to schedule with one of our experts. Your journey to recovery starts here.

Common Sports and Orthopaedic Injuries of Summer: Knee, Shoulder, and Ankle:

Summertime brings a range of activities, but it also increases the risk of orthopaedic injuries. Let's dive into the most common summertime injuries and how they can happen, and what you can do to prevent them:

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Knee Injuries:

Knee pain can be a common concern during the summer, particularly for those engaged in outdoor activities and sports.

ACL tears occur when the ligament connecting the thigh bone to the shin bone is stretched or torn due to sudden stops or changes in direction.

Meniscus tears, on the other hand, result from twisting or forceful impact, leading to cartilage damage within the knee joint.

Patellofemoral pain syndrome (PFPS), also known as runner's knee, causes discomfort around the kneecap, typically associated with repetitive knee bending or overuse.

Summer Shoulder Injuries:

Engaging in sports and outdoor pursuits heightens the risk of shoulder injuries.

Rotator cuff tears are prevalent, involving damage or tears to the tendons supporting the shoulder joint due to repetitive overhead movements or sudden trauma.

Shoulder dislocations occur when the upper arm bone's ball-shaped head dislodges from the shoulder socket, often caused by falls or intense physical contact.

Shoulder impingement syndrome results from inflamed or irritated tendons in the rotator cuff, typically due to repetitive overhead activities or poor posture.

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Summer Ankle Injuries:

Outdoor activities and sports can also pose risks for ankle injuries.

Ankle sprains and strains frequently occur from missteps, falls, or sudden twists during physical activities. These injuries involve stretched or torn ligaments surrounding the ankle joint.

Achilles tendonitis, characterized by inflammation or irritation of the Achilles tendon, often arises from overuse or repetitive stress.

Additionally, ankle fractures can result from falls during water sports, hiking accidents, or tripping on uneven terrain, leading to the breaking of ankle bones.


We always recommend seeing a proven, licensed professional before you suspect you have any knee or sports-related injury. If you suspect a knee, shoulder, or ankle injury, it is crucial to seek immediate medical attention. Our physicians at Princeton Orthopaedic Associates will conduct a thorough physical examination, assess symptoms and medical history, and may order diagnostic imaging tests such as X-rays, MRIs, or ultrasound scans for an accurate diagnosis. Consulting with an orthopedic specialist or a sports medicine physician is recommended to receive a tailored treatment plan. Treatment options may include rest, immobilization, physical therapy, or, in severe cases, surgery. Timely evaluation and accurate diagnosis are essential for effective treatment and successful recovery.

By understanding these common summer orthopaedic injuries and promptly seeking professional care, you can ensure appropriate treatment and make a smooth return to enjoying your favorite summertime activities.

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