Abstract:
:Plantar heel pain syndrome has been attributed to entrapment neuropathy, plantar fasciitis, calcaneal spurs, and stress fractures of the calcaneus. Although deteriorated mechanical properties of the heel pads may play an important role in the pathogenesis of heel pain syndrome, this has received little notice. In this study, a specially designed compression relaxation device with a push-pull scale and a 10-MHz linear array transducer was used to determine thickness of the heel pad under different loading conditions. Twenty consecutive patients aged 29 to 77 years with unilateral plantar heel pain syndrome were enrolled. Thickness of heel pad bilaterally was measured when the heel pad was compressed by serial increments of 0.5 kg to a maximum of 3 kg and then relaxed sequentially. The load-displacement curve during a loading-unloading cycle was plotted, and the compressibility index and energy dissipation ratio of the heel pad were calculated accordingly. Phase I displacement of the heel pad (from 0 to 1 kg load) on the painless side was greater than that on the painful side (P < 0.01), but there was no statistically significant difference between painless and painful sides in thickness of unloaded heel pads, compressibility index, or energy dissipation ratio (P > 0.05). In conclusion, the affected heel pad in plantar heel pain syndrome was stiffer under light pressure than the heel pad on the painless side. The changed nature of chambered adipose tissue in a painful heel pad may be responsible for its increased stiffness under light pressure.
journal_name
Foot Ankle Intjournal_title
Foot & ankle internationalauthors
Tsai WC,Wang CL,Hsu TC,Hsieh FJ,Tang FTdoi
10.1177/107110079902001010keywords:
subject
Has Abstractpub_date
1999-10-01 00:00:00pages
663-8issue
10eissn
1071-1007issn
1944-7876journal_volume
20pub_type
杂志文章abstract:BACKGROUND:The Self-reported Foot and Ankle Score (SEFAS) is a patient-reported outcome measure, while the American Orthopedic Foot and Ankle Society Score (AOFAS) is a clinician-based score, both used for evaluation of foot and ankle disorders. The purpose of this study was to compare the psychometric properties of th...
journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/1071100714543647
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journal_title:Foot & ankle international
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doi:10.1177/107110070402500505
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journal_title:Foot & ankle international
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journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.3113/FAI.2011.0746
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abstract::We compared the pressure distribution in the ankle and posterior facet of the subtalar joint following 1 cm medial and lateral displacement calcaneal osteotomies to the pressure distribution in the intact foot. Six cadaver specimens were loaded in neutral alignment while pressure measurements were recorded. A 1-cm med...
journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/107110070102201105
更新日期:2001-11-01 00:00:00
abstract::Three-phase bone scintigraphy diagnosis of Lisfranc injury in a patient after foot trauma is discussed. Early diagnosis of Lisfranc joint injury is frequently missed and radionuclide bone scintigraphy may show a specific pattern where the x-rays are inconclusive. ...
journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/107110079501601107
更新日期:1995-11-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/107110079902000711
更新日期:1999-07-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/1071100719861099
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abstract:BACKGROUND:It is still unknown how ankle range of motion changes following total ankle arthroplasty. This study was undertaken to more accurately address patient expectations, guide postoperative rehabilitation, and improve our understanding of how ankle range of motion changes with time. METHODS:119 total ankle repla...
journal_title:Foot & ankle international
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journal_title:Foot & ankle international
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journal_title:Foot & ankle international
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abstract:BACKGROUND:The proximal crescentic osteotomy is an effective technique for correcting a widened 1-2 intermetatarsal angle associated with moderate to severe hallux valgus deformities. However, postoperative dorsal malunion at the osteotomy site from loss of fixation has been reported. The purpose of this study was to e...
journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/107110070502600505
更新日期:2005-05-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/1071100718793172
更新日期:2018-12-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
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更新日期:2000-01-01 00:00:00
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journal_title:Foot & ankle international
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doi:10.1177/107110070402500406
更新日期:2004-04-01 00:00:00
abstract:BACKGROUND:The purpose of this study was to assist surgeons treating calcaneal fractures in choosing the most predictive fracture classification and clinical outcome tool. MATERIALS AND METHODS:For 152 patients (189 calcaneal fractures; average followup, 9.9 years), all fractures were classified in accordance with the...
journal_title:Foot & ankle international
pub_type: 杂志文章
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更新日期:2009-03-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.1177/1071100712468564
更新日期:2013-03-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.3113/FAI.2007.1082
更新日期:2007-10-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
doi:10.3113/FAI.2012.0734
更新日期:2012-09-01 00:00:00
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journal_title:Foot & ankle international
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journal_title:Foot & ankle international
pub_type: 杂志文章
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更新日期:1999-02-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
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更新日期:2016-10-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
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更新日期:2003-09-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
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更新日期:2012-02-01 00:00:00
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journal_title:Foot & ankle international
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更新日期:2018-05-01 00:00:00
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journal_title:Foot & ankle international
pub_type: 杂志文章
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更新日期:1996-01-01 00:00:00