RELATIONSHIP BETWEEN HIP AND KNEE KINEMATICS IN ATHLETIC WOMEN DURING CUTTING MANEUVERS: A POSSIBLE LINK TO NONCONTACT ANTERIOR CRUCIATE LIGAMENT INJURY AND PREVENTION

被引:86
作者
Imwalle, Lauren E. [1 ,2 ,3 ]
Myer, Gregory D. [1 ,2 ,4 ]
Ford, Kevin R. [1 ,2 ,3 ]
Hewett, Timothy E. [1 ,2 ,3 ]
机构
[1] Cincinnati Childrens Hosp Res Fdn, Sports Med Biodynam Ctr, Cincinnati, OH USA
[2] Human Performance Lab, Cincinnati, OH USA
[3] Univ Cincinnati, Coll Med, Cincinnati, OH USA
[4] Rocky Mt Univ Hlth Profess, Grad Program Athlet Training, Provo, UT USA
基金
美国国家卫生研究院;
关键词
female sports; knee injury prevention; high risk biomechanics; reaction cutting; agility; SAGITTAL PLANE BIOMECHANICS; GENDER-DIFFERENCES; NEUROMUSCULAR CONTROL; FEMALE; JOINT; MOTION; PERFORMANCE; BASKETBALL; MECHANISMS; SOCCER;
D O I
10.1519/JSC.0b013e3181bc1a02
中图分类号
G8 [体育];
学科分类号
04 ; 0403 ;
摘要
Imwalle, LE, Myer, GD, Ford, KR, and Hewett, TE, Relationship between hip and knee kinematics in athletic women during cutting maneuvers: a possible link to noncontact anterior cruciate ligament injury and prevention. J Strength Cond Res 23(8): 2223-2230, 2009-The purposes of this study were to compare lower-extremity kinematics during a 45 degrees and 90 degrees cutting maneuver and to examine the relationships between lower-extremity rotations during these maneuvers. The hypotheses tested were that greater internal hip and knee rotation angles would be observed during the cutting maneuver at a 90 degrees angle (90 degrees cut) compared with the maneuver performed at a 45 degrees angle (45 degrees cut) and that the increased internal hip and knee rotation would be related to increased knee abduction measures. Nineteen athletes from women's soccer teams (17.6 +/- 2.1 yr, 165.6 +/- 8.2 cm, 60.2 +/- 5.6 kg) were instructed to jump across a line and cut at the appropriate angle (either 45 degrees or 90 degrees side-step cut) and in the appropriate direction. Lower-extremity kinematic measures were taken at peak force during the stance phase. Hip internal rotation and knee internal rotation (p = 0.008) were increased during the 90 degrees cut compared with the 45 degrees cut. Mean hip flexion (p < 0.001) was also greater in the 90 degrees cut. The only significant predictor of knee abduction during both tasks was hip adduction (R = 0.49). The findings indicate that the mechanisms underlying increased knee abduction measures in athletic women during cutting tasks were primarily coronal plane motions at the hip. Trunk and hip focused strength neuromuscular training may improve the ability of athletic women to increase control of lower-extremity alignment. Therefore, these women may decrease dangerous knee loads that result from increased hip adduction during dynamic tasks, thus decreasing anterior cruciate ligament injury risk.
引用
收藏
页码:2223 / 2230
页数:8
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