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Moderate-heeled shoes and knee joint torques relevant to the development and progression of knee osteoarthritis.

Abstract：

OBJECTIVE:To determine if women's dress shoes with heels of just 1.5 in (3.8 cm) in height increases knee joint torques, which are thought to be relevant to the development and/or progression of knee osteoarthritis (OA) in both the medial and patellofemoral compartments. DESIGN:Randomized controlled trial. SETTING:A 3-dimensional motion analysis gait laboratory. PARTICIPANTS:Twenty-nine healthy young women (age, 26.7+/-5.0 y) and 20 healthy elderly adult women (age, 75.3+/-6.5 y). INTERVENTIONS:Not applicable. MAIN OUTCOME MEASURES:Peak external varus knee torque in early and late stance and prolongation of flexor knee torque in early stance. Three-dimensional data on lower-extremity torques and motion were collected during walking while (1) wearing shoes with 1.5-in high heels and (2) wearing control shoes without any additional heel. Data were plotted and qualitatively compared; major peak values and timing were statistically compared between the 2 conditions using paired t tests. RESULTS:Peak knee varus torque during late stance was statistically significantly greater with the heeled shoes than with the controls, with increases of 14% in the young women and 9% in the elderly women. With the heeled shoes, the early stance phase knee flexor torque was significantly prolonged, by 19% in the young women and by 14% in elderly women. Also, the peak flexor torque was 7% higher with the heeled shoe in the elderly women. CONCLUSIONS:Even shoes with moderately high heels (1.5 in) significantly increase knee torques thought to be relevant in the development and/or progression of knee OA. Women, particularly those who already have knee OA, should be advised against wearing these types of shoes.

journal_name

Arch Phys Med Rehabil

journal_title

Archives of physical medicine and rehabilitation

authors

Kerrigan DC,Johansson JL,Bryant MG,Boxer JA,Della Croce U,Riley PO

doi

10.1016/j.apmr.2004.09.018

subject

Has Abstract

pub_date

2005-05-01 00:00:00

pages

871-5

issue

eissn

0003-9993

issn

1532-821X

pii

S0003-9993(04)01398-X

journal_volume

pub_type

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Moderate-heeled shoes and knee joint torques relevant to the development and progression of knee osteoarthritis.