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Avulsion fracture to ankle
Avulsion fracture to ankle
Published: 2015/09/18
Channel: Fracture Care
Avulsion Fractures Around The Hip In Adolescence - Everything You Need To Know - Dr. Nabil Ebraheim
Avulsion Fractures Around The Hip In Adolescence - Everything You Need To Know - Dr. Nabil Ebraheim
Published: 2013/01/11
Channel: nabil ebraheim
Day 2 Avulsion Fracture / Ankle Sprain and Self Care!
Day 2 Avulsion Fracture / Ankle Sprain and Self Care!
Published: 2015/04/30
Channel: The Dancing Soul
Tibial Avulsion Fracture
Tibial Avulsion Fracture
Published: 2017/02/19
Channel: Aiden Aung
Ankle Scope with Avulsion Fracture SFISM
Ankle Scope with Avulsion Fracture SFISM
Published: 2014/03/28
Channel: southflsportsmed
Broken Index Finger / Avulsion Fracture / Post-surgery
Broken Index Finger / Avulsion Fracture / Post-surgery
Published: 2012/05/10
Channel: Safari Outfitter
Proximal Fifth Metatarsal Fractures - Everything You Need To Know - Dr. Nabil Ebraheim
Proximal Fifth Metatarsal Fractures - Everything You Need To Know - Dr. Nabil Ebraheim
Published: 2011/11/18
Channel: nabil ebraheim
Ankle  fracture / Fractures and its repair- Everything You Need To Know - Dr. Nabil Ebraheim
Ankle fracture / Fractures and its repair- Everything You Need To Know - Dr. Nabil Ebraheim
Published: 2010/10/29
Channel: nabil ebraheim
Fracture of the Fifth Metatarsal
Fracture of the Fifth Metatarsal
Published: 2015/07/21
Channel: BestFootDoc
How Long Does It Take To Recover From An Avulsion Fracture?
How Long Does It Take To Recover From An Avulsion Fracture?
Published: 2017/08/30
Channel: Cash for Question
What Is A Avulsion Fracture?
What Is A Avulsion Fracture?
Published: 2017/08/31
Channel: Call into Question
Avulsion
Avulsion
Published: 2016/05/24
Channel: Michael Hoffman
How Long Does It Take For An Avulsion Fracture Of The Hip To Heal?
How Long Does It Take For An Avulsion Fracture Of The Hip To Heal?
Published: 2017/08/30
Channel: Cash for Question
What Is An Avulsion Fracture?
What Is An Avulsion Fracture?
Published: 2017/08/31
Channel: Call into Question
Is An Avulsion Fracture A Displaced Fracture?
Is An Avulsion Fracture A Displaced Fracture?
Published: 2017/08/30
Channel: Cash for Question
Avulsion fracture (Medical Condition)
Avulsion fracture (Medical Condition)
Published: 2015/05/21
Channel: Medical Condition Information
Joshua Iraci from Franklin High School gets an avulsion fracture of the hip. @ Hart Park May13 2014
Joshua Iraci from Franklin High School gets an avulsion fracture of the hip. @ Hart Park May13 2014
Published: 2014/05/21
Channel: Michael Iraci
Avulsion Fracture Eval
Avulsion Fracture Eval
Published: 2016/04/14
Channel: Dylan Kennedy
Ankle Fractures Explained
Ankle Fractures Explained
Published: 2015/04/16
Channel: BestFootDoc
Common fractures to the wrist
Common fractures to the wrist
Published: 2009/07/19
Channel: Tor Davies
Surgical Repair of a Jones Fracture
Surgical Repair of a Jones Fracture
Published: 2016/03/15
Channel: Sadikatul Bari Sadik
What Is The Treatment For An Avulsion Fracture Of The Ankle?
What Is The Treatment For An Avulsion Fracture Of The Ankle?
Published: 2017/08/31
Channel: Call into Question
AllSports Medicine - Avulsion Injuries of the Hip
AllSports Medicine - Avulsion Injuries of the Hip
Published: 2013/03/08
Channel: Johns Hopkins All Children's Hospital
Arthroscopic fixation ACL avulsion fracture demo by Dr Bancha Chernchujit
Arthroscopic fixation ACL avulsion fracture demo by Dr Bancha Chernchujit
Published: 2015/03/27
Channel: Bancha Chernchujit
CALCANEAL AVULSION FRACTURES ,heel bone injury - Everything You Need To Know - Dr. Nabil Ebraheim
CALCANEAL AVULSION FRACTURES ,heel bone injury - Everything You Need To Know - Dr. Nabil Ebraheim
Published: 2010/12/10
Channel: nabil ebraheim
Inverted Avulsion Fracture
Inverted Avulsion Fracture
Published: 2016/12/01
Channel: Andrew Roy
Tibial spine avulsion fracture
Tibial spine avulsion fracture
Published: 2017/07/17
Channel: ortho tube
Volar Plate Avulsion
Volar Plate Avulsion
Published: 2017/04/07
Channel: ctisus
Avulsion Fracture Hip Exercises
Avulsion Fracture Hip Exercises
Published: 2016/10/16
Channel: C.A.M. Sports Performance Training, LLC
Tibial Spine Avulsion Fractures Arthroscopic Reduction and Internal Fixation
Tibial Spine Avulsion Fractures Arthroscopic Reduction and Internal Fixation
Published: 2015/10/04
Channel: NewYorkOrtho
Posterior Cruciate Ligament Avulsion-Fracture Arthroscopic Reinsertion
Posterior Cruciate Ligament Avulsion-Fracture Arthroscopic Reinsertion
Published: 2017/06/01
Channel: Diego García-Germán Vázquez
How To Treat a Rectus Femoris Avulsion Fracture | Orlando Hip Pain Treatment
How To Treat a Rectus Femoris Avulsion Fracture | Orlando Hip Pain Treatment
Published: 2017/02/10
Channel: Pursuit Physical Therapy
Ankle Fracture Surgery: Watch How Fractured Ankle Is Treated Surgically
Ankle Fracture Surgery: Watch How Fractured Ankle Is Treated Surgically
Published: 2014/04/24
Channel: Epainassist.com
Avulsed Tooth
Avulsed Tooth
Published: 2011/01/08
Channel: Mark McIntosh
Hip Avulsion Fracture of the Anterior Inferior Iliac Spine
Hip Avulsion Fracture of the Anterior Inferior Iliac Spine
Published: 2014/03/18
Channel: Proscan Imaging
Mallet finger avulsion injury
Mallet finger avulsion injury
Published: 2017/02/22
Channel: THE DAILY MEDICAL REVIEW
ACL avulsion treated with Arthroscopic Screw fixation
ACL avulsion treated with Arthroscopic Screw fixation
Published: 2015/10/15
Channel: Dr Chintan Vadi
Volar Plate Avulsion
Volar Plate Avulsion
Published: 2014/05/08
Channel: Daniel Mastella
Humerus Greater tuberosity avulsion fracture
Humerus Greater tuberosity avulsion fracture
Published: 2017/01/07
Channel: Young Lae Moon
Avulsion Fracture Tibial Tuberosity
Avulsion Fracture Tibial Tuberosity
Published: 2014/08/15
Channel: Pleating
CALCANEAL AVULSION FRACTURES ,heel bone injury   Everything You Need To Know   Dr  Nabil Ebraheim
CALCANEAL AVULSION FRACTURES ,heel bone injury Everything You Need To Know Dr Nabil Ebraheim
Published: 2017/01/01
Channel: مكتبة وحيد طب بشري لخدمة طلاب طب طنطا علم ينتفع بة
What Is An Avulsion Fracture Of The Lateral Malleolus?
What Is An Avulsion Fracture Of The Lateral Malleolus?
Published: 2017/08/31
Channel: Call into Question
Fibular avulsion fracture of the ankle
Fibular avulsion fracture of the ankle
Published: 2017/08/11
Channel: Nadia Natasha
Avulsion Fracture to midfoot
Avulsion Fracture to midfoot
Published: 2015/04/22
Channel: Fracture Care
Arthroscopic Treatment of Greater Tuberosity Avulsion Fractures | Broken Shoulder
Arthroscopic Treatment of Greater Tuberosity Avulsion Fractures | Broken Shoulder
Published: 2017/05/03
Channel: shoulderspecialists
Avulsion fracture of tibial tuberosity in young dog
Avulsion fracture of tibial tuberosity in young dog
Published: 2016/03/14
Channel: Titiphan Trakanpol
Gamekeeper
Gamekeeper's thumb
Published: 2017/02/22
Channel: ctisus
What Is Avulsion Fracture Of Hip?
What Is Avulsion Fracture Of Hip?
Published: 2017/08/31
Channel: Call into Question
Arthroscopic fixation avulsion fracture tibial spine.m4v
Arthroscopic fixation avulsion fracture tibial spine.m4v
Published: 2012/09/20
Channel: shekhar srivastav
Humerus Greater Tuberosity Avulsion Fracture
Humerus Greater Tuberosity Avulsion Fracture
Published: 2017/01/06
Channel: Young Lae Moon
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WIKIPEDIA ARTICLE

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Avulsion fracture
Classification and external resources
AvulsionvolarmidproxmetacarpalMark.png
Avulsion fracture of the proximal metacarpal on the volar side

An avulsion fracture is a bone fracture which occurs when a fragment of bone tears away from the main mass of bone as a result of physical trauma. This can occur at the ligament due to the application forces external to the body (such as a fall or pull) or at the tendon due to a muscular contraction that is stronger than the forces holding the bone together. Generally muscular avulsion is prevented due to the neurological limitations placed on muscle contractions. Highly trained athletes can overcome this neurological inhibition of strength and produce a much greater force output capable of breaking or avulsing a bone.

Schematic diagram of an avulsion fracture
Avulsion fracture of distal phalanx bone

Treatment[edit]

If the fracture is small, it is usually sufficient to treat with rest and support bandage, but in more severe cases, surgery may be required. Ice may be used to relieve swelling.[1]

For displaced avulsion fractures, they are best managed by either open reduction and internal fixation or closed reduction and pinning. Open reduction (using surgical incision) and internal fixation is used when pins, screws, or similar hardware is needed to fix the bone fragment.

Dental avulsion[edit]

Traumatic complete displacement of a tooth from its socket in alveolar bone. It is a serious dental emergency in which prompt management (within 20–40 minutes of injury) affects the prognosis of the tooth.[2]

5th metatarsal tuberosity avulsion[edit]

fifth metatarsal with tuberosity shown

The tuberosity avulsion fracture (also known as pseudo-Jones fracture or dancer's fracture[3] is a common fracture of the fifth metatarsal (the bone on the outside edge of the foot extending to the little toe).[4] This fracture is likely caused by the lateral band of the plantar aponeurosis (tendon).[5] Most of these fractures are treated with a hard-soled shoe or walking cast. This is needed until the pain goes away and then the patient can return to normal activities.[4] Healing is usually completed within eight weeks.[6]

Tibial tuberosity avulsion[edit]

X-ray of a 15 year old male, showing an older avulsion fracture of the tibial tuberosity.

A tibial tuberosity avulsion fracture is an incomplete or complete separation of the tibial tuberosity from the tibia. This occurs as a result of a violent contraction of the quadriceps muscles, most often as a result of a high-power jump. Incomplete fractures are usually treatable with the traditional RICE (rest, ice, compression, elevation) method, but complete/displaced fractures will most often require surgery to pin the tuberosity back in place. Tibial tuberosity avulsions occur most often in teenagers that engage in a large amount of sporting activities, and many studies have shown a history with Osgood-Schlatter's disease to be linked to the fracture.

Other animals[edit]

Dinosaurs[edit]

A 2001 study found evidence of a tendon avulsion on the arm of Sue the T. rex.

In 2001, Bruce Rothschild and other paleontologists published a study examining evidence for tendon avulsions in theropod dinosaurs. Among the dinosaurs studied, Avulsion injuries were only noted among Tyrannosaurus and Allosaurus. Scars from these sorts of injuries were limited to the humerus and scapula. A divot on the humerus of Sue the T. rex was one such avulsion. The divot appears to be located at the origin of the deltoid or teres major muscles. The localization in theropod scapulae as evidenced by the tendon avulsion in Sue suggests that theropods may have had a musculature more complex and functionally different from those of their descendants, the birds.[7]

See also[edit]

References[edit]

  1. ^ "Avulsion fracture: How is it treated?". Mayo Clinic. April 8, 2010. Retrieved April 22, 2010. 
  2. ^ Zadik Y (December 2008). "Algorithm of first-aid management of dental trauma for medics and corpsmen". Dent Traumatol. 24 (6): 698–701. PMID 19021668. doi:10.1111/j.1600-9657.2008.00649.x. 
  3. ^ Robert Silbergleit. "Foot Fracture". Medscape.com. Retrieved October 19, 2011. 
  4. ^ a b Gary A. Rosenberg & James J. Sferra (September–October 2000). "Treatment Strategies for Acute Fractures and Nonunions of the Proximal Fifth Metatarsal". Journal of the American Academy of Orthopaedic Surgeons. 8 (5): 332–338. 
  5. ^ Richli WR, Rosenthal DI (October 1984). "Avulsion fracture of the fifth metatarsal: experimental study of pathomechanics". American Journal of Roentgenology. 143 (4): 889–91. doi:10.2214/ajr.143.4.889. 
  6. ^ JC DeLee (1993). RA Mann; MJ Coughlin, eds. Fractures and dislocations of the foot. Surgery of the Foot and Ankle. 2 (6th ed.). St Louis: Mosby-Year Book. pp. 1627–1640. 
  7. ^ Rothschild, B., Tanke, D. H., and Ford, T. L., 2001, Theropod stress fractures and tendon avulsions as a clue to activity: In: Mesozoic Vertebrate Life, edited by Tanke, D. H., and Carpenter, K., Indiana University Press, p. 331-336.

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