This study evaluated the effects of soft tissue integrity on patellar tracking and patellofemoral joint force after total knee arthroplasty. The results indicate that partial dissection of the soft tissue integrity in the in vitro biomechanical studies of the patellofemoral joint can alter patellar tracking and joint force significantly, leading to improper conclusions.

Issue Section:
Technical Briefs
Topics:
Biomechanics, Soft tissues, Arthroplasty, Knee
1.
Ahmed, A. M., Shi, S., Hyder, A., and Chan, K. H., 1988, “The Effect of Quadriceps Tension Characteristics on the Patellar Tracking Pattern,” 34th ORS, Vol. 13, p. 280.
2.
Chao
E. Y. S.
,
1980
, “
Justification of Triaxial Goniometer for the Measurement of Joint Rotation
,”
J. Biomechanics
, Vol.
13
, pp.
989
–
1006
.
3.
Hefzy
M. S.
, and
Yang
H.
,
1993
, “
A Three-Dimensional Anatomical Model of the Human Patello-Femoral Joint, for the Determination of Patello-Femoral Motions and Contact Characteristics
,”
J. Biomed. Eng.
, Vol.
15
, pp.
289
–
302
.
4.
Hefzy
M. S.
,
Jackson
W. T.
,
Saddemi
S. R.
, and
Hsieh
Y. F.
,
1992
, “
Effects of Tibial Rotations on Patellar Tracking and Patello-Femoral Contact Areas
,”
J. Biomed. Eng.
, Vol.
14
, pp.
329
–
343
.
5.
Huberti
H. H.
, and
Hayes
W. C.
,
1984
, “
Patellofemoral Contact Pressures
,”
J. Bone Joint Surg.
, Vol.
66A
, pp.
715
–
724
.
6.
Hungerford
D. S.
, and
Barry
M.
,
1979
, “
Biomechanics of the Patellofemoral Joint
,”
Clin. Orth.
, Vol.
144
, pp.
9
–
15
.
7.
Kim, W., Chao, E. Y. S., and Rand, J. A., 1992, “Comparative Evaluation of Patellofemoral Contact Area in Different Total Knee Designs,” 38th ORS, Vol. 17, p. 326.
8.
Inoue
M.
,
Shino
K.
,
Hirose
H.
,
Horibe
S.
, and
Ono
K.
,
1988
, “
Subluxation of the Patella
,”
J. Bone Joint Surg.
, Vol.
70A
, pp.
1331
–
1337
.
9.
Ohmori, G., Sasagawa, K., Bechtold, J. E., Bianco, P. T., Gustilo, R. B., Hara, T., Takahashi, H., and Koga, Y., 1992, “Contact Pressure Distribution on the Patello-Femoral Joint Before and After Total Knee Arthroplasty,” 38th ORS, Vol. 17, p. 332.
10.
Rhoads
D. D.
,
Noble
P. C.
,
Reuben
J. D.
,
Mahoney
O. M.
, and
Tullos
H. S.
,
1990
, “
The Effect of Femoral Component Position on Patellar Tracking After Total Knee Arthroplasty
,”
Clin. Orth.
, Vol.
260
, pp.
43
–
51
.
11.
Singerman
R.
,
Berilla
J.
,
Kotzar
G.
,
Daly
J.
, and
Davy
D. T.
,
1994
, “
A Six-Degree-of-Freedom Transducer for in Vitro Measurement of Patellofemoral Contact Forces
,”
J. Biomechanics
, Vol.
27
, pp.
233
–
238
.
12.
van Kampen
A.
, and
Huiskes
R.
,
1990
, “
The Three-Dimensional Tracking Pattern of the Human Patella
,”
J. Orth. Res.
, Vol.
8
, pp.
372
–
382
.
13.
Yoshii
I.
,
Whiteside
L. A.
, and
Anouchi
Y. S.
,
1992
, “
The Effect of Patellar Button Placement and Femoral Component Design on Patellar Tracking in Total Knee Arthroplasty
,”
Clin. Orth.
, Vol.
275
, pp.
211
–
219
.
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