Reduced eccentric loading of the knee with the pose running method.

ARENDSE, Regan E, NOAKES, Timothy D, AZEVEDO, Liane, ROMANOV, Nicholas, SCHWELLNUS, Martin P and FLETCHER, Graham (2004). Reduced eccentric loading of the knee with the pose running method. Medicine and science in sports and exercise, 36 (2), 272-277.

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Abstract

Purpose The aim of this study was to compare the biomechanical changes during natural heel-toe running with learned midfoot and Pose running. Methods Twenty heel-toe runners were instructed in midfoot running and a novel running style in which the acromium, greater trochanter, and lateral malleolus are aligned in stance (Pose running). Clinical gait analysis was performed for each running style and the biomechanical variables compared. Results In comparison with midfoot and heel-toe running Pose running was characterized by shorter stride lengths and smaller vertical oscillations of the sacrum and left heel marker. Compared with midfoot and Pose running heel-toe running was characterized by greater magnitudes and loading rates of the vertical impact force. In preparation for initial contact, the knee flexed more in Pose than in heel-toe and midfoot running. The ankle at initial contact was neutral in Pose compared with a dorsiflexed and plantarflexed position in heel-toe and midfoot running, respectively. The knee power absorption and eccentric work were significant lower (P < 0.05) in Pose than in either heel-toe or midfoot running. In contrast, there was a higher power absorption and eccentric work at the ankle in Pose compared with heel-toe and midfoot running. Conclusions Pose running was associated with shorter stride lengths, smaller vertical oscillations of the sacrum and left heel markers, a neutral ankle joint at initial contact, and lower eccentric work and power absorption at the knee than occurred in either midfoot or heel-toe running. The possibility that such gait differences could be associated with different types and frequencies of running injuries should be evaluated in controlled clinical trails.

Item Type:	Article
Uncontrolled Keywords:	Ankle; Knee; Muscle, Skeletal; Humans; Gait; Task Performance and Analysis; Posture; Running; Weight-Bearing; Adult; Female; Male; Adult; Ankle; Female; Gait; Humans; Knee; Male; Muscle, Skeletal; Posture; Running; Task Performance and Analysis; Weight-Bearing; 1106 Human Movement and Sports Sciences; 1116 Medical Physiology; 1117 Public Health and Health Services; Sport Sciences; 3202 Clinical sciences; 3208 Medical physiology; 4207 Sports science and exercise
Identification Number:	https://doi.org/10.1249/01.mss.0000113684.61351.b0
Page Range:	272-277
SWORD Depositor:	Symplectic Elements
Depositing User:	Symplectic Elements
Date Deposited:	25 Jun 2024 10:57
Last Modified:	25 Jun 2024 11:00
URI:	https://shura.shu.ac.uk/id/eprint/33389

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