
A fracture separates a single solid object into two or more pieces due to pressure. In medical terms, a fracture refers to a broken bone due to some kind of external trauma. A crack in the bone, on the other hand, it does not cause a clean break in the bone, there is only a separation or discontinuity in the bone material.

A crack in the bone caused due to repeated stress is often called as 'hairline fracture'. Here are the basic differences between a crack and a fracture in the bone and how to treat them:

1. A crack or hairline fracture is rarely caused by a single injury. It is usually the result of bone fatigue, which may be caused due to repeated, concentrated stress over a long period of time and thus, it is also called as 'stress fracture'. Other bone fractures are almost always the result of sudden and severe force on the bones.

2. The skeletal system constantly remodels itself. The cells, known as 'osteoblasts' absorb calcium and secrete bone connective tissue. If a particular site is exposed to recurrent bouts of force (which are individually not impactful enough to cause a crack), over time the osteoblasts in that region malfunction and the crack appears.

Muscular exhaustion can also cause cracks in the bone. Fractures are caused due to sudden external single force trauma to the bone. Nutritional problems like deficiencies of Calcium, Phosphorus, vitamin D and excessive smoking decrease the bone mineral density and increase the chance of both cracks and fractures.

3. Symptoms of a crack are swelling, tenderness and sharp pain in the injured region and the symptoms worsen over time. A fracture has similar symptoms and might also exhibit an external physical distortion and makes it impossible to move that part of the body that where the bone is broken.

4. An MRI is often suggested for detecting the crack or crack-prone areas because an X-ray can only detect the crack after it widens somewhat or the bone starts paining because the rays cannot pass through the tiny gap in bone material. A fracture is easily detectable by an X-ray because the rays pass right through the break.

5. Complete rest for six to eight weeks is the most effective way of healing a crack. Using a walking boot in case of cracks in the leg bones in also helpful. Healing fractures require extensive medical intervention. Surgical techniques like bone grafting and the insertion of metal plates are used to reposition the broken bone.

Cracks VS Fractures

A bone fracture occurs when a strong external force is applied on the bones causing it to break. It is an extremely painful condition that results in days of immobility and rest. There are several reasons which can result in bone fracture, some of them being:

1. Injuries caused in sports
Any sport requires and demands extreme physical exertion and participation. Being involved in any sport therefore automatically increases your risk of incurring injuries. Bone fractures therefore are mostly reported during sports.

2. Osteoporosis
Due to the deficiency of calcium, the bones of both men and women tend to get weak and more susceptible to fracture and breakage. It is one of the primary causes that lead to bone fracture.

3. Osteomalacia
This also refers to a condition wherein the bones become weak and brittle. Much like osteoporosis, osteomalacia too significantly contributes to instances of bone fractures.

4. Osteosarcoma
This is a rare form of bone cancer that most often develops either near the femur or near the shinbone. An instance of this form of bone cancer is most often found in children and weakens the bone, consequently leading to fractures.

Though there may be different causes of broken fractures, its symptoms remain similar. Some of them are-

1. Swelling
One of the most common symptoms of bone fracture is perceptible swelling. If any of your bone is fractured, that particular part will be visibly swollen.

2. Deformity
Bones give your body the shape it has, thereby, any fracture anywhere would inevitably manifest itself as a clear deformity of that particular part.

3. Extreme pain
It goes without saying that a bone fracture would entail excruciating and extreme pain. This pain sharply increases with mobility thereby necessitating complete rest.

4. Temporary loss of function
The part of the body where the bone is broken temporarily becomes dysfunctional. For instance, if the bone in your hand is broken, you will find it extremely difficult to move and do any work with it.

Causes and Symptoms of Bone Fracture

A broken bone or a crack in the commonly known as a fracture. Any bone in the arm can be broken, but common areas for fractures in the arm is wrist, specifically the distal radius, forearm bones (radius and ulna), elbow, humerus and shoulder. 

What causes fracture in bones?

Fall: Falling an outstretched hand or elbow is the most common cause of a broken arm.
Sports injuries: Direct blows and injuries on the field or court are a common cause of all types of arm fractures.
Significant trauma: Any of your arm bones can break during a car accident, bike accident or other direct trauma.
Abuse: In children, a broken arm may be the result of child abuse.
How to identify?

An audible snap or cracking sound may be your first indication you've broken an arm.

Signs and symptoms include:

Severe pain, which may increase with movement
Swelling
Bruising
Deformity, such as a bent arm or wrist
Inability to turn your arm from palm up to palm down or vice versa
When to see a doctor?

If you have enough pain in your arm that you can't use it normally, see a doctor right away and do the same for your child. Delay in diagnosis and treatment of a broken arm, especially for children who heal faster than adults do, can lead to poor healing and deformity.

Fracture In Upper Limb Bones - 4 Things That Can Cause It

Spinal fractures occur as a result of an injury or dislocation of the bony vertebra. This causes the bone fragments to pinch and damage the spinal cord. Fractures can occur anywhere along the spine but the most common site of fracture is the lower back.

What causes spinal fractures?

Spinal fractures are often a result of the following-

  A sudden traumatic injury
  A high-velocity accident
  Falling from a height
  Sports injuries
  Spinal instability
  A whiplash

Types of spinal fractures:

Spinal fractures are classified into three categories, such as the following-

  Compression fracture - If you exert excessive pressure on the vertebra, it will break. This type of fracture occurs when the bones in the spine become fragile or weak to the extent that they easily crumble. People living with osteoporosis, certain types of cancer or tumours are prone to a compression fracture.

  Dislocation - When the discs and/or ligaments linking the vertebrae is torn or stretched, the bones may dislocate or come out of alignment.

  Fracture-dislocation - Torn ligament and broken bone lead to this condition. A fracture-dislocation is a debilitating condition and often requires surgical intervention.

Symptoms of spine fractures:

Following an accident or an injury, you can tell if you have ended up fracturing your spinal column by identifying these symptoms-

  Excruciating pain
  Tingling sensation
  Numbness
  Muscle spasm
  Swelling of the muscle
  Sudden onset of back pain
  Restricted spinal mobility
  The pain worsens if you walk or stand for long
  Deformity or disability of the spine

How are spinal fractures treated?

Spinal fracture treatment begins with administering pain-management drugs and medications to ease the symptoms, and stabilization methods to prevent injury. Depending on the nature of the fracture, your doctor may follow these lines of treatment-

  Fusion and instrumentation - These are surgical procedures to cure unstable fractures. Fusion refers to the joining of the vertebrae using a bone graft along with hardware such as hooks, rods, plates, or pedicle screws. The bone graft joins the vertebrae below and above to form a solid piece of bone.

  Kyphoplasty and vertebroplasty - These are minimally invasive procedures, wherein the surgeon injects bone cement into the fractured body through a needle. During kyphoplasty, the surgeon first inserts and inflates a balloon to expand the compressed vertebrae and then fills it with bone cement.

Spinal fractures are an extremely uncomfortable and painful condition to live with. It can hinder your day-to-day activities and affect your quality of life. It is imperative that you seek immediate treatment if you end up with fractures or dislocation of the spine.

Spine Fracture - How Can You Get It Fixed?

Broken bone is commonly known as bone fracture a d it occurs when an exorbitant amount of force is applied causing the bone to split or shatter. While some minor fractures lead to cracks and crannies, others may lead to complete breakage of the bones. Despite being hard, bones are formed in such a way that they can absorb pressure to only a certain extent, beyond which they break. Statistically, the incidence of broken bones are most common in children and in old age people.

Causes of Bone Fracture
Bone fracture can be caused due to a number of reasons; both intentional and accidental. Some of them include:
1. Accidents and injuries: Sports injuries, being hit by a car and tripping and falling are some of the typical episodes.
2. Old age: Diseases such as osteoporosis and brittle bone disease are common in aged people. As bones tend to become more fragile among the aged, they are at a greater chance of bone fractures.

Type of bone fractures
Primarily bone fractures are of four types, based on the way the bone splits. They are:

Complete fracture: This type of fracture refers to a complete breakage of the bone wherein the fracture may occur at various parts of the bone.
Incomplete fracture: In this type of fracture, the bone partially breaks instead of splitting entirely.
Compound fractures: This is a type of a fracture wherein the bone breaks past the skin. It is also known as an open fracture.
Simple fracture: In this type of a fracture, the bone breaks without causing an open wound on the skin.
Treatment of bone fractures
In case of a broken bone, the immediate course of action would be to reach for the first aid box. This can be done to stabilize the bone prior to hospitalization. Icing the injury, elevating the injured area to prevent further swelling and covering the wound with bandages are common measures. In many cases, people also make household splints (made of newspapers) to keep the bone stabilized. Hospitalization and especially surgery, can be also opted for in case of severe fractures.

Bone Fracture - Understanding the Types + Causes

A small piece of bone is known as a fragment and it is very common that an avulsion fracture also tends to damage the protrusions of bone to which the tendons attach. This basically means that the tendon or ligament will come away from the bone and it will take a small piece of bone with it. It is sometimes very hard to find out what type of injury you have and this is why knowing the causes and symptoms of an avulsion fracture are very helpful in determining exactly how severe the injury is. 

Here are the causes of an avulsion fracture:

Explosive landing: Athletes who tend to jump or land with great impact tend to get these most commonly. Therefore, it is crucial for your health that if you participate in such sports, you do follow the correct method of jumping.
Explosive extension: Similar to how an athlete landing ferociously can get an avulsion fracture, someone who is extending the legs very violently and explosively during an exercise can also get an avulsion fracture. This is because the bone getting extended could very well damage the protrusions to which the tendons are attached. 
Symptoms
These are the two main causes of an avulsion fracture. There are not many symptoms of an avulsion fracture. This is because an avulsion fracture can only be determined by an MRI or by an X-ray scan. Therefore it is nearly impossible to diagnose that you have an avulsion fracture without looking at the results of the tests performed on the part of your body. However, the way you got the fracture and especially the details of it are very good indications of whether you have an avulsion fracture or not.

Avulsion Fracture - Common Causes Behind it

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