Leaning the Trunk Forward Decreases Patellofemoral Joint Loading During Uneven Running

Aminiaghdam, Soran; Epro, Gaspar; James, Darren C.; Karamanidis, Kiros

doi:10.1519/jsc.0000000000004128

Cited by 2 publications

(1 citation statement)

References 43 publications

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“…In contrast to these findings, there was no difference in trunk inclination between the n-IP and IP groups. The runners had not trained before the data acquisition, so fatigue was not an important factor [ 38 , 39 ]. The WalkerView can easily detect trunk inclination, and therefore, it can easily educate recreational runners to increase trunk flexion and reduce patellofemoral joint stress, as the literature suggests [ 34 , 35 ].…”

Section: Discussionmentioning

confidence: 99%

Running Footwear and Impact Peak Differences in Recreational Runners

Roggio

Trovato

Zanghì

et al. 2022

Biology

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Running is a physical activity and the investigation of its biomechanical aspects is crucial both to avoid injuries and enhance performance. Recreational runners may be liable to increased stress over the body, particularly to lower limb joints. This study investigates the different running patterns of recreational runners by analyzing characteristics of the footwear impact peak, spatiotemporal, and kinematic parameters among those that present with a peak impact and those that do not, with a 3D markerless system. Thirty recreational runners were divided into two groups: impact peak group (IP) (n = 16) and no impact peak group (n = 14) (n-IP). Kinematic and spatiotemporal parameters showed a large Cohen’s d effect size between the groups. The mean hip flexion was IP 40.40° versus n-IP 32.30° (d = −0.82). Hip extension was IP 30.20° versus n-IP 27.70° (d = −0.58), and ankle dorsiflexion was IP 20.80°, versus n-IP 13.37° (d = −1.17). Stride length was IP 117.90 cm versus n-IP 105.50 cm (d = −0.84). Steps per minute was IP group 170 spm, versus n-IP 163 spm (d = −0.51). The heel-to-toe drop was mainly 10–12 mm for the IP group and 4–6 mm for the n-IP group. Recreational runners whose hip extension is around 40°, ankle dorsiflexion around 20°, and initial foot contact around 14°, may be predisposed to the presence of an impact peak.

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Section: Discussionmentioning

confidence: 99%

Running Footwear and Impact Peak Differences in Recreational Runners

Roggio

Trovato

Zanghì

et al. 2022

Biology

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Population-based analysis of knee joint loading in a knee osteoarthritis cohort: the impact of PCA-derived gait kinematic variations on estimated medial knee contact forces

Di Raimondo,

Willems,

Killen

et al. 2024

Preprint

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Osteoarthritis (OA) is a prevalent musculoskeletal condition leading to functional limitations, especially among the elderly. Current treatments focus on pain relief and functional improvement, however there is a lack of approaches which slow disease progression. A promising approach focusses on reducing knee joint loading, as excessive loading contributes to knee OA progression. This study explores kinematic variations in the knee OA population, utilizing principal component analysis (PCA) to examine gait variations (primitives) in both healthy individuals and those with knee osteoarthritis (KOA) and their implications for knee joint loading. The KOA population exhibited 14 modes of variation representing 95% of the cumulative variance, compared to 20 in the healthy population, indicating lower variability with KOA. The relation between identified gait primitives and knee loading parameters, revealed complex relationships. Surprisingly, modes with the largest kinematic variations did not consistently correspond to the highest variations in knee loading parameters revealing degrees of freedom which may have a larger role in determining joint loading. Moreover, potential gait-retraining strategies for KOA, associating specific kinematic combinations with altered knee loading were identified. The results showed a good agreement with previously applied strategies. However, this study highlights the importance of analyzing whole-body kinematics for effective gait retraining, as opposed to focusing on one single joint variation. The study's insights contribute to understanding the intricate interplay between gait pattern variations and knee joint loading changes in healthy and KOA populations, offering practical applications for guiding interventions and estimating loading parameters.

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Leaning the Trunk Forward Decreases Patellofemoral Joint Loading During Uneven Running

Cited by 2 publications

References 43 publications

Running Footwear and Impact Peak Differences in Recreational Runners

Running Footwear and Impact Peak Differences in Recreational Runners

Population-based analysis of knee joint loading in a knee osteoarthritis cohort: the impact of PCA-derived gait kinematic variations on estimated medial knee contact forces

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