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Figure 4-3 Vertical ground reaction force with the weight acceptance phase indicated. phase to analyse in this study as the maximum magnitude valgus and internal rotation

Figure 4 -3 Vertical ground reaction force with the weight acceptance phase indicated. phase to analyse in this study as the maximum magnitude valgus and internal rotation

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Chapter 6 How Does Ball Movement Direction Affect Knee Loads and Full Body
Chapter 6 How Does Ball Movement Direction Affect Knee Loads and Full Body
Table 2-1 Incidence of anterior cruciate ligament injury for various sports. Literature Review per season; 4) injuries per athlete. Caution should be used in comparing the
Table 2-1 Incidence of anterior cruciate ligament injury for various sports. Literature Review per season; 4) injuries per athlete. Caution should be used in comparing the
Table 2-2 Percentage of non-contact injuries 2.2.4 Development of Prevention Programs programs there needs to be an understanding of the aetiology of injury.” ~’ Thi
Table 2-2 Percentage of non-contact injuries 2.2.4 Development of Prevention Programs programs there needs to be an understanding of the aetiology of injury.” ~’ Thi
Figure 2-1 Effect of combining anterior drawer loads with out of plane loading. (Adapted from Markolf et al.'*°). oads on the ACL, than those generated from simply flexion loads.”™ positioned to generate valgus and flexion loads has also been shown to cause high loads on the ACL, than those generated from simply flexion loads.?”4 positioned to generate valgus and flexion loads has also been shown to cause higher Literature Review
Figure 2-1 Effect of combining anterior drawer loads with out of plane loading. (Adapted from Markolf et al.'*°). oads on the ACL, than those generated from simply flexion loads.”™ positioned to generate valgus and flexion loads has also been shown to cause high loads on the ACL, than those generated from simply flexion loads.?”4 positioned to generate valgus and flexion loads has also been shown to cause higher Literature Review
ostures and these will cause varied loading of the knee joint. training on landing and falls technique in Australian football. They discovered tha
ostures and these will cause varied loading of the knee joint. training on landing and falls technique in Australian football. They discovered tha
plane as this allowed for the capture of both knee angle and torso rotation (Figure 3-3). technique changes in sidestep cutting were focused in the frontal plane the set up i representing the midline and extreme ranges of acceptable foot placement. As the
plane as this allowed for the capture of both knee angle and torso rotation (Figure 3-3). technique changes in sidestep cutting were focused in the frontal plane the set up i representing the midline and extreme ranges of acceptable foot placement. As the
Figure 3-1 Examples of the warm up tasks. Circles indicate cones whil lines indicate the direction of travel.
Figure 3-1 Examples of the warm up tasks. Circles indicate cones whil lines indicate the direction of travel.
Table 3-1 Weekly training sessions
Table 3-1 Weekly training sessions
Figure 4-1 Screen shots at heel strike from the videos used to demonstrate the imposed postures to subjects. The subject is stepping off the right foot and travelling left. A) leaning in the opposite direction (Topposite); B) leaning in the same direction (Tsame); C) trunk rotating in the opposite direction (TRotatea); D) knee straight (K siraignt); E) knee flexed (KFiexea); F) foot placed close to the body (Feiose); G) foot placed away from the body (Fwiae); H) foot tumed in (Fj); and 1) foot turned out (Fou).
Figure 4-1 Screen shots at heel strike from the videos used to demonstrate the imposed postures to subjects. The subject is stepping off the right foot and travelling left. A) leaning in the opposite direction (Topposite); B) leaning in the same direction (Tsame); C) trunk rotating in the opposite direction (TRotatea); D) knee straight (K siraignt); E) knee flexed (KFiexea); F) foot placed close to the body (Feiose); G) foot placed away from the body (Fwiae); H) foot tumed in (Fj); and 1) foot turned out (Fou).
Figure 4-2 A participant showing the University of Western Australia (UWA) Full Body marker set.
Figure 4-2 A participant showing the University of Western Australia (UWA) Full Body marker set.
* Significantly different pair; #significant difference from NS (p <0.05). Positive values indicate: trunk lateral flexion, leaning right; trunk rotation, left shoulder back; knee angle, knee flexion; foot rotated in/out, toe in.
* Significantly different pair; #significant difference from NS (p <0.05). Positive values indicate: trunk lateral flexion, leaning right; trunk rotation, left shoulder back; knee angle, knee flexion; foot rotated in/out, toe in.
magnitude to each other.
magnitude to each other.
Positive values indicate: trunk lateral flexion, leaning right; trunk rotation, left shoulder back; knee angle, knee flexion; hip abduction/adduction, adduction; foot rotated in/out, toe in. Table 4-2 Mean (standard deviation) posture angle representation common injury position at heel strike for techniques that returned high knee loads and normal sidestep cut (NS)
Positive values indicate: trunk lateral flexion, leaning right; trunk rotation, left shoulder back; knee angle, knee flexion; hip abduction/adduction, adduction; foot rotated in/out, toe in. Table 4-2 Mean (standard deviation) posture angle representation common injury position at heel strike for techniques that returned high knee loads and normal sidestep cut (NS)
Figure 5-1 The whole body technique. Note the close placement of the stance foot relative to the coronal plane midline of the pelvis, the neutral painted on the ground to indicate the outer limits of acceptable foot placement.
Figure 5-1 The whole body technique. Note the close placement of the stance foot relative to the coronal plane midline of the pelvis, the neutral painted on the ground to indicate the outer limits of acceptable foot placement.
Table 5-4 Mean (standard deviation) of the different postures and performance variables. * indicates a difference from pre- to post-training.
Table 5-4 Mean (standard deviation) of the different postures and performance variables. * indicates a difference from pre- to post-training.
Table 5-3 Mean (standard deviation) knee joint moment data (Nmekg ‘em during sidestep cutting.
Table 5-3 Mean (standard deviation) knee joint moment data (Nmekg ‘em during sidestep cutting.
Table 6-1 Mean (standard deviation) knee joint moment data (Nm*kg‘«m the support limb during the landing phase. However, there was a significant difference
Table 6-1 Mean (standard deviation) knee joint moment data (Nm*kg‘«m the support limb during the landing phase. However, there was a significant difference
VGil ft VolubUiitiiy tit HdGhuUliiy Lado LAlLoubo INL LUA Table 6-2 Mean (standard deviation) for knee flexion angle (°) at heel strike and maximum angle during weight acceptance
VGil ft VolubUiitiiy tit HdGhuUliiy Lado LAlLoubo INL LUA Table 6-2 Mean (standard deviation) for knee flexion angle (°) at heel strike and maximum angle during weight acceptance
Table 6-3 Mean (standard deviation) of joint positions (°) at heel strike Ball Positioning in Landing Task Affects Knee Loads
Table 6-3 Mean (standard deviation) of joint positions (°) at heel strike Ball Positioning in Landing Task Affects Knee Loads
Therefore, this is an area worthy of further investigation.
Therefore, this is an area worthy of further investigation.
support leg (Figure 7-2). Knee/path rotation (p = 0.034, d =0.50) retumed a slope Functionally, an increased valgus moment was associated with increased knee flexion,
support leg (Figure 7-2). Knee/path rotation (p = 0.034, d =0.50) retumed a slope Functionally, an increased valgus moment was associated with increased knee flexion,
Table 8-4 Mean (standard deviation) of torso angles (°) at initial foot contact. p and d are the respective probabilities and effect sizes of the pre to post training differences. aining. This is despite a 7° reduction in torso rotation in the post training testing ble 8-5). However, peak intemal rotation moments increasec
Table 8-4 Mean (standard deviation) of torso angles (°) at initial foot contact. p and d are the respective probabilities and effect sizes of the pre to post training differences. aining. This is despite a 7° reduction in torso rotation in the post training testing ble 8-5). However, peak intemal rotation moments increasec
Table 8-5 Mean (standard deviation) peak knee joint moment data (Nmekg em’). p and d are the respective probabilities and effect sizes of the pre to post training differences.
Table 8-5 Mean (standard deviation) peak knee joint moment data (Nmekg em’). p and d are the respective probabilities and effect sizes of the pre to post training differences.
Figure 8-1 Individual participant changes in torso rotation from pre- to post-training. Positive changes indicate the desired change. away from the body on the support leg side.
Figure 8-1 Individual participant changes in torso rotation from pre- to post-training. Positive changes indicate the desired change. away from the body on the support leg side.
Related topics:
Sports MedicineSports InjuriesKnee BiomechanicsSport BiomechanicsInjury BiomechanicsLower Extremity BiomechanicsAnterior Cruciate LigamentExercise Science
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