|
Record |
Links |
|
Author  |
Chumanov, E.S.; Wall-Scheffler, C.; Heiderscheit, B.C. |

|
|
Title |
Gender differences in walking and running on level and inclined surfaces |
Type |
Journal Article |
|
Year |
2008 |
Publication |
Clinical Biomechanics (Bristol, Avon) |
Abbreviated Journal |
Clin Biomech (Bristol, Avon) |
|
|
Volume |
23 |
Issue |
10 |
Pages |
1260-1268 |
|
|
Keywords |
Adolescent; Biomechanical Phenomena; Buttocks/physiology; Electromyography; Exercise Test; Female; Gait/physiology; Hip Joint/*physiology; Humans; Leg/physiology; Male; Movement/physiology; Muscle Contraction/*physiology; Muscle, Skeletal/physiology; Range of Motion, Articular/physiology; Running/*physiology; *Sex Characteristics; Sex Factors; Thigh/physiology; Walking/*physiology; Young Adult |
|
|
Abstract |
BACKGROUND: Gender differences in kinematics during running have been speculated to be a contributing factor to the lower extremity injury rate disparity between men and women. Specifically, increased non-sagittal motion of the pelvis and hip has been implicated; however it is not known if this difference exists under a variety of locomotion conditions. The purpose of this study was to characterize gender differences in gait kinematics and muscle activities as a function of speed and surface incline and to determine if lower extremity anthropometrics contribute to these differences. METHODS: Whole body kinematics of 34 healthy volunteers were recorded along with electromyography of muscles on the right lower limb while each subject walked at 1.2, 1.5, and 1.8m/s and ran at 1.8, 2.7, and 3.6m/s with surface inclinations of 0%, 10%, and 15% grade. Joint angles and muscle activities were compared between genders across each speed-incline condition. Pelvis and lower extremity segment lengths were also measured and compared. FINDINGS: Females displayed greater peak hip internal rotation and adduction, as well as gluteus maximus activity for all conditions. Significant interactions (speed-gender, incline-gender) were present for the gluteus medius and vastus lateralis. Hip adduction during walking was moderately correlated to the ratio of bi-trochanteric width to leg length. INTERPRETATION: Our findings indicate females display greater non-sagittal motion. Future studies are needed to better define the relationship of these differences to injury risk. |
|
|
Call Number |
|
Serial |
1630 |
|
Permanent link to this record |