Abstract
Objective: Two lateral wedged insoles were compared: one with, and the other without, subtalar strapping. Methods: Twenty-one patients (age 58-83, mean 72) with medial knee osteoarthritis (OA) were enrolled. Thirty-seven knees in the patients were divided into three groups based on the Kellgren and Lawrence OA grading system; grades 2 (cases = 20), 3 (cases = 11), and 4 (cases = 6). The subjects were tested during walking barefoot and during walking with a silicon rubber lateral wedged insole with elevation of 10 mm attached to a barefoot. Gait analysis was performed on a 10 m walkway for each subject under three different walking conditions; barefoot, wearing a conventional insole, and a subtalar strapping insole. Peak knee varus moment during gait was measured under each condition, and compared between the three conditions and between the OA grades. Results: On the whole (cases = 37), the peak varus moment was significantly reduced by wearing either of the insoles, compared to walking barefoot. The reduction was more obvious with the strapping insole (-13%, P < 0.01), compared with the conventional insole (-8%, P < 0.05). In moderate OA patients (grades 2 and 3), the moments were significantly lower with the strapping insole, compared with the conventional insole (P = 0.0048 and 0.005, respectively). However, no significant difference was detected in severe OA patients (grade 4) between the two types of insoles (P = 0.4). Conclusions: Both lateral wedged insoles significantly reduced the peak medial compartment load during gait. The subtalar strapping insole had a greater effect than the conventional insole, particularly in patients with moderate medial knee OA.
| Original language | English |
|---|---|
| Pages (from-to) | 932-936 |
| Number of pages | 5 |
| Journal | Osteoarthritis and Cartilage |
| Volume | 15 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2007 Aug |
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Keywords
- Biomechanics
- Gait
- Knee
- Orthosis
- Osteoarthritis
ASJC Scopus subject areas
- Orthopedics and Sports Medicine
Cite this
The lateral wedged insole with subtalar strapping significantly reduces dynamic knee load in the medial compartment. Gait analysis on patients with medial knee osteoarthritis. / Kuroyanagi, Y.; Nagura, Takeo; Matsumoto, Hideo; Otani, Toshiro; Suda, Y.; Nakamura, T.; Toyama, Y.
In: Osteoarthritis and Cartilage, Vol. 15, No. 8, 08.2007, p. 932-936.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - The lateral wedged insole with subtalar strapping significantly reduces dynamic knee load in the medial compartment. Gait analysis on patients with medial knee osteoarthritis
AU - Kuroyanagi, Y.
AU - Nagura, Takeo
AU - Matsumoto, Hideo
AU - Otani, Toshiro
AU - Suda, Y.
AU - Nakamura, T.
AU - Toyama, Y.
PY - 2007/8
Y1 - 2007/8
N2 - Objective: Two lateral wedged insoles were compared: one with, and the other without, subtalar strapping. Methods: Twenty-one patients (age 58-83, mean 72) with medial knee osteoarthritis (OA) were enrolled. Thirty-seven knees in the patients were divided into three groups based on the Kellgren and Lawrence OA grading system; grades 2 (cases = 20), 3 (cases = 11), and 4 (cases = 6). The subjects were tested during walking barefoot and during walking with a silicon rubber lateral wedged insole with elevation of 10 mm attached to a barefoot. Gait analysis was performed on a 10 m walkway for each subject under three different walking conditions; barefoot, wearing a conventional insole, and a subtalar strapping insole. Peak knee varus moment during gait was measured under each condition, and compared between the three conditions and between the OA grades. Results: On the whole (cases = 37), the peak varus moment was significantly reduced by wearing either of the insoles, compared to walking barefoot. The reduction was more obvious with the strapping insole (-13%, P < 0.01), compared with the conventional insole (-8%, P < 0.05). In moderate OA patients (grades 2 and 3), the moments were significantly lower with the strapping insole, compared with the conventional insole (P = 0.0048 and 0.005, respectively). However, no significant difference was detected in severe OA patients (grade 4) between the two types of insoles (P = 0.4). Conclusions: Both lateral wedged insoles significantly reduced the peak medial compartment load during gait. The subtalar strapping insole had a greater effect than the conventional insole, particularly in patients with moderate medial knee OA.
AB - Objective: Two lateral wedged insoles were compared: one with, and the other without, subtalar strapping. Methods: Twenty-one patients (age 58-83, mean 72) with medial knee osteoarthritis (OA) were enrolled. Thirty-seven knees in the patients were divided into three groups based on the Kellgren and Lawrence OA grading system; grades 2 (cases = 20), 3 (cases = 11), and 4 (cases = 6). The subjects were tested during walking barefoot and during walking with a silicon rubber lateral wedged insole with elevation of 10 mm attached to a barefoot. Gait analysis was performed on a 10 m walkway for each subject under three different walking conditions; barefoot, wearing a conventional insole, and a subtalar strapping insole. Peak knee varus moment during gait was measured under each condition, and compared between the three conditions and between the OA grades. Results: On the whole (cases = 37), the peak varus moment was significantly reduced by wearing either of the insoles, compared to walking barefoot. The reduction was more obvious with the strapping insole (-13%, P < 0.01), compared with the conventional insole (-8%, P < 0.05). In moderate OA patients (grades 2 and 3), the moments were significantly lower with the strapping insole, compared with the conventional insole (P = 0.0048 and 0.005, respectively). However, no significant difference was detected in severe OA patients (grade 4) between the two types of insoles (P = 0.4). Conclusions: Both lateral wedged insoles significantly reduced the peak medial compartment load during gait. The subtalar strapping insole had a greater effect than the conventional insole, particularly in patients with moderate medial knee OA.
KW - Biomechanics
KW - Gait
KW - Knee
KW - Orthosis
KW - Osteoarthritis
UR - http://www.scopus.com/inward/record.url?scp=34547650994&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34547650994&partnerID=8YFLogxK
U2 - 10.1016/j.joca.2007.02.004
DO - 10.1016/j.joca.2007.02.004
M3 - Article
C2 - 17391994
AN - SCOPUS:34547650994
VL - 15
SP - 932
EP - 936
JO - Osteoarthritis and Cartilage
JF - Osteoarthritis and Cartilage
SN - 1063-4584
IS - 8
ER -