Sprains and Strains:
What's the Difference?

What is a Sprain?

A sprain is a stretch and/or tear of a ligament (fibrous band of connective tissue that joins bone to bone). Every joint in the body is stabilized and supported by a ligament. They help control range of motion and enable us to complete simple tasks such as walk and run.

What is a Strain?

A strain is an injury of a muscle and/or tendon. Tendons are fibrous cords of tissue that attach muscles to bone.

Overview

Sprains and strains are among the most common injuries in sports, professional, amateur athletes and the general public. You are more at risk for the injury if you have a history of sprains and strains, are overweight, and are in poor physical condition.

Sprains and strains are categorized according to severity:

• MILD - A muscle is stretched in a mild sprain, but there is no joint loosening.
• MODERATE - A moderate sprain partially tears the muscle, producing joint instability, and some swelling.
• SEVERE - A severe sprain produces excruciating pain at the moment of injury, as muscle tear completely, or separate from the bone. The complete rutupre makes the joint nonfunctional.

You should seek medical attention if you can't walk more than four steps without pain, can't move the affected joint or have numbness in any part of the injured area.

STRAINS: What Are The Signs Of A Strain?

Signs of strain include pain, muscle spasm, muscle weakness, swelling, inflammation, limited ability to move the affected muscle, and cramping. With a mild strain, the muscle/tendon is stretched or pulled, slightly. Some muscle function will be lost with a moderate strain, where the muscle/tendon is overstretched and slightly torn. In severe strains, the muscle and/or tendon is partially or completely ruptured, often disabling the person.

Common strains include:

• Achilles tendon strain Pain will be felt along the back of your foot and above your heel, especially when stretching your ankle or standing on your toes. Most strains are mild. The seriousness of the strain will affect your walking. Suddenly increase your activity or warm up improperly can cause an Achilles tendon strain. Trying to go fast, jumping (hurdles), cutting (football) or twisting in the air are just some of the scenarios where you could develop Achilles tendon strain.



• Back strain When the muscles that support the spine are twisted, pulled, or torn, the result is a back strain. Athletes who engage in a lot jumping (during basketball, volleyball, etc.) are at risk to this injury. Everyday activities can lead to back strain, pickup a heavy item and twisting at the same time as in loading groceries into the car, carrying laundry up stair and turning too quickly.


• Hamstring muscle strain A hamstring muscle strain is a tear or stretch of a major muscle in the back of the thigh and can sideline a person for up to six months. The likely cause is muscle strength imbalance between the hamstrings and the muscles in the front of the thigh, the quadriceps. Sports involving activities such as kicking a football, running, or leaping to make a basket can pull a hamstring. Unfortunately, hamstring injuries have one of the highest rates of reinjury, so it is important to heal fully and ensure you correct any symptomatic causes such as lack of proper stretching or muscle imbalance. You can view much more in-depth information about the hamstring at aidyourhamstring.com.


• Quadricep strain This is muscle strain found in the front thigh (quadriceps muscles are in the front, and the adductor muscles are on the inside). The hamstring and quadriceps muscle groups are particularly at risk for muscle strains because they cross both the hip and knee joints. Quadriceps are also used for high-speed activities, such as track and field events (running, hurdles, long jump), football, basketball, and soccer. Read more about a thigh muscle injuries.


• Calf strain This occurs when you have stretches, tears, or an incomplete rupture of one of the large calf muscles (gastrocnemius) in your lower leg. Also called 'Tennis leg', calf strain happens when lunging or pushing off one leg. This often occurs in sports but can also happen in daily activities, such as running to catch a bus or climbing stairs. The feeling is described much like being kicked in the leg from behind but when turning around to see who kicked you, you discover that no one is there.


• Elbow strain A strain occurs when a muscle and/or tendon becomes overstretched and tears. This painful injury, also called a "pulled muscle," can be caused by an accident, improper use of a muscle, or overuse of a muscle. Elbow strains frequently occur in racquet, throwing, and contact sports.


• Shoulder strain. The deltoid muscles in your shoulders are commonly sprained as they deal with a lot of force and leverage. Your shoulders are considered one the most movable joints in your body; overuse, repetitive motion or an unnatural twisting of the shoulder are common causes of shoulder strain. Shoulder strains arise quite often the due to swelling, which can make almost any movement in the cavity of the shoulder joint both difficult and uncomfortable. Read more about deltoid muscle injuries


• Hand strain Repetitive strain injuries are linked with work related usage of the hands. A tight grip or squeezing of the hand overstretches the hand muscles. Women are at high risk of hand strain, as 'standard' hand tools are often too large, too wide or too slippery. Sports such as gymnastics, tennis, rowing, golf-sports that require extensive gripping-have a high rate of this particular type of strain.


• Neck strain Neck strain is typically not considered an extremely serious injury, but there is pain and dysfunction of the neck. Causes of neck strain are too much time in an awkward position (hunched over a steering wheel while driving, hunched forward to view a computer monitor, or cradling a phone in the crook of the neck). Neck strain can arise for those that sleep in a position that strains the neck, such as with a pillow that is too high or too firm. Further to this, neck strain also shows up due to people carrying a heavy suitcase or other object on one side of the body.

SPRAIN: What Are The Signs Of A Sprain?

While the intensity varies, pain, bruising, swelling, limited ability to move the affected joint, and inflammation are common to all three categories of sprains: mild, moderate, and severe. You may feel a tearing or hear a 'pop' sound in the joint.

Causes of Sprains

A sprain is caused by direct or indirect trauma (a fall, a blow to the body, etc.) that knocks a joint out of position, and overstretches, and, in severe cases, ruptures the supporting ligaments. This injury occurs when an a person lands on an outstretched arm; slides into a base; jumps up and lands on the side of the foot; or runs on an uneven surface.

Common sprains include:

• Ankle sprain Occurs when the foot twists, rolls or turns beyond its normal motions. You can also sprain your ankle if the foot is planted unevenly on a surface, and often occurs during hiking or cross country running. Approximately 25,000 people each day suffer the pain of an ankle sprain. (source American Academy of Orthopaedic Surgeon)
  The foot and ankle are made up primarily of ligaments holding the bones together - although these ligaments are tough and strong, they are not infallible. There are 7 ankle related sprains; high ankle, lateral, inversion, eversion, syndesmosis, anterior talofibular ligament, and anterior inferior tibiofibular ligament sprains. Certain sports are correlated to a high risk of ankle sprains, and are sports that require sudden changes in direction, like football, soccer, and basketball and basketball.


• Knee sprain There are 4 major ligaments in the knee:
  • Anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) bridge the inside of the knee joint, forming an "X" pattern that stabilizes the knee against front-to-back and back-to-front forces. A sudden stop; a twist, pivot or change in direction at the joint; extreme overstraightening (hyperextension); or a direct impact to the outside of the knee or lower leg. Knee sprain injuries are seen among athletes in football, basketball, soccer, rugby, wrestling, gymnastics and skiing.
  • Medial collateral ligament (MCL) supports the knee along the inner side of the leg. Like the ACL, the MCL can be torn by a direct sideways blow to the outside of the knee or lower leg, the kind of blow that can happen in football, soccer, hockey and rugby. The MCL can be injured by a severe knee twist during skiing or wrestling, particularly when a fall twists the lower leg outwards, away from the upper leg.
  • Lateral collateral ligament (LCL) supports the outer side of the knee. It is the least likely knee ligament to be sprained because most LCL injuries are caused by a blow to the inside of the knee, and that area usually is shielded by the opposite leg.

  More than any other group, competitive athletes have a very high risk of knee sprains and other types of knee problems.

• Wrist sprain A fall onto an outstretched hand, the force impact bends the wrist back toward your forearm, stretching and ligaments that connect the wrist and hand bones a little to far. A momentary loss happens during everyday activities, but frequently occurs during sports and outdoor recreation. Wrist sprains are common with basketball, baseball, gymnasts, divers, skiers (especially when they fall while still holding a pole), skaters, skateboarders, and inline skaters
• Finger sprain Injury to three joints of the fingers 'jamming' the finger into an opponent or being hit on the tip of the finger by a ball. Bending the finger backward (hyperextended). Are often overlooked as 'just a finger', finger injuries can be very painful and lead to chronic ailments (trigger finger) if not treated correctly.
• Toe sprain Stubbing your toe into something, stopping suddenly when running or landing awkwardly from a jump 'jamming' your toe into your shoe. Sports such as football, soccer, rugby, basketball and running.

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