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词条 Iliotibial band syndrome
释义

  1. Signs and symptoms

  2. Causes

  3. Anatomical mechanism

  4. Diagnosis

  5. Treatment

  6. See also

  7. References

  8. External links

{{about|injury of the iliotibial band||Runner's knee}}{{Infobox medical condition (new)
| name = Iliotibial band syndrome
| synonyms = Iliotibial band friction syndrome (ITBFS)[1]
| image = Posterior Hip Muscles 3.PNG
| caption =
| field = Sports medicine, orthopedics
| symptoms =
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| onset =
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| types =
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}}{{More footnotes|article|date=August 2013}}

Iliotibial band syndrome (ITBS) is a common injury to the knee, generally associated with running, cycling, hiking or weight-lifting (especially squats).{{Citation needed|date=May 2015}}

Signs and symptoms

ITBS symptoms range from a stinging sensation just above the knee and outside of the knee (lateral side of the knee) joint, to swelling or thickening of the tissue in the area where the band moves over the femur. The stinging sensation just above the knee joint is felt on the outside of the knee or along the entire length of the iliotibial band. Pain may not occur immediately during activity, but may intensify over time. Pain is most commonly felt when the foot strikes the ground, and pain might persist after activity. Pain may also be present above and below the knee, where the ITB attaches to the tibia.

Causes

ITBS can result from one or more of the following: training habits, anatomical abnormalities, or muscular imbalances:

{{Col-begin}}{{Col-break}}Training habits
  • Spending long periods of time/regularly sitting in lotus posture in yoga. Esp beginners forcing the feet onto the top of the thighs
  • Consistently running on a horizontally banked surface (such as the shoulder of a road or an indoor track) on which the downhill leg is bent slightly inward, causing extreme stretching of the band against the femur
  • Inadequate warm-up or cool-down
  • Excessive up-hill and down-hill running
  • Positioning the feet "toed-in" to an excessive angle when cycling
  • Running up and down stairs
  • Hiking long distances
  • Rowing
  • Breaststroke
  • Treading water
{{Col-break}}Abnormalities in leg/feet anatomy
  • High or low arches
  • Supination of the foot
  • Excessive lower-leg rotation due to over-pronation
  • Excessive foot-strike force
  • Uneven leg lengths
  • Bowlegs or tightness about the iliotibial band.
Muscle imbalance
  • Weak hip abductor muscles
  • Weak/non-firing multifidus muscle
  • Uneven left-right stretching of the band, which could be caused by habits such as sitting cross-legged
{{col-end}}

Anatomical mechanism

Iliotibial band syndrome is one of the leading causes of lateral knee pain in runners. The iliotibial band is a thick band of fascia on the lateral aspect of the knee, extending from the outside of the pelvis, over the hip and knee, and inserting just below the knee. The band is crucial to stabilizing the knee during running, as it moves from behind the femur to the front of the femur during activity. The continual rubbing of the band over the lateral femoral epicondyle, combined with the repeated flexion and extension of the knee during running may cause the area to become inflamed.

Diagnosis

Diagnosis of iliotibial band syndrome is based on history and physical exam findings, including tenderness at the lateral femoral epicondyle, where the iliotibial band passes over the bone.

Treatment

While ITBS pain can be acute, the iliotibial band can be rested, iced, compressed and elevated (RICE) to reduce pain and inflammation, followed by stretching.[2] Physical therapy, and many of its modalities, can offer relief if symptoms arise.

See also

  • Chondromalacia patellae
  • Patellofemoral pain syndrome
  • Plica syndrome

References

  • Van der Worp et al., Iliotibial Band Syndrome in Runners. A Systematic Review: Sports Med 2012;42(11):969-992
1. ^{{cite journal |last1=Ellis |first1=R |last2=Hing |first2=W |last3=Reid |first3=D |title=Iliotibial band friction syndrome—A systematic review |journal=Manual Therapy |volume=12 |issue=3 |pages=200–8 |date=August 2007 |pmid=17208506 |doi=10.1016/j.math.2006.08.004}}
2. ^{{cite journal|last1=Barber|first1=F. Alan|last2=Sutker |first2=Allan N. |title=Iliotibial Band Syndrome |journal=Sports Medicine|volume=14|issue=2|pages=144–148|doi=10.2165/00007256-199214020-00005 |date=August 1992 }}

External links

{{Medical resources
| DiseasesDB = 32612
| ICD10 = {{ICD10|M|76|3|m|70}}
| ICD9 = {{ICD9|728.89}}
| ICDO =
| OMIM =
| MedlinePlus =
| eMedicineSubj = pmr
| eMedicineTopic = 61
| eMedicine_mult = {{eMedicine2|sport|53}}
}}
  • IT Band Syndrome (Runnersworld.com)
{{Soft tissue disorders}}

3 : Overuse injuries|Soft tissue disorders|Syndromes

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