The influence of muscle-tendon forces on ACL loading during jump landing: a systematic review

Oberhofer, Katja; Nasab, Seyyed Hamed Hosseini; Schütz, Pascal; Postolka, Barbara; Snedeker, Jess G.; Taylor, William R.; List, Renate

doi:10.11138/mltj/2017.7.1.125

Cited by 11 publications

(8 citation statements)

References 43 publications

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“…These results are of particular interest in relation to the role of the plantarflexors in prevention of serious knee injury since injury occurs when the magnitude of loading exceeds the level of loading the tissue of interest can withstand. While much literature focuses on the role of the hamstring and quadriceps muscle groups in anterior cruciate ligament (ACL) injury 15 , several Authors have suggested the plantarflexors are also important [16][17][18] . While knee valgus-varus moments are often considered the main cause of ACL injury, Yu and Garrett 19 presented strong evidence for the role of sagittal plane kinematics and anterior tibial translation as the primary cause of non-contact ACL injury.…”

Section: Discussionmentioning

confidence: 99%

Sex-related differences in plantarflexor function during repeated stretch-shortening cycle loading

Furlong¹,

Harrison

2019

Muscle Ligaments and Tendons J

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Introduction: Differences between male and female muscle-tendon units have been previously observed. It is unknown if a sex-related difference exists in the plantarflexor response to repeated stretch-shortening cycles, as occurs during activities of daily living such as walking and running. Methods: An adapted force sledge was used with three dimensional motion analysis to investigate the response of the plantarflexors of 34 age and training-matched males and females during stretchshortening cycle impacts. Results: Contact times and flight times were found to be similar between groups. Statistically significant differences in absolute peak force and rates of force development were observed during loading. With normalisation to plantarflexor muscle volume, small and moderate effect sizes were observed for all force and rate of force development variables but only peak force remained statistically significant. Differences in absolute stiffness, peak negative and positive power and work were statistically significant with moderate effect size, but with normalisation only differences in peak negative power and work remained statistically significant with a moderate effect size. Conclusion: These results show females have lower force, rate of force production and force absorption capabilities, which are of relevance in injury prevention and rehabilitation, and informing personalised engineering design. Level of evidence: III b (individual case-control study).

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Section: Discussionmentioning

confidence: 99%

Sex-related differences in plantarflexor function during repeated stretch-shortening cycle loading

Furlong¹,

Harrison

2019

Muscle Ligaments and Tendons J

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“…To allow a sufficient range of motion and avoid overloading of the passive structures [24,25], the kinematic behaviour of the natural tibio-femoral joint has been of high interest, and has therefore been investigated extensively in cadaveric studies [26], using bone-pins [7], as well as MRI [27,28], RSA [29] and videofluoroscopy [30–32]. Similarly, the biomechanical outcomes after TKA have been extensively examined in order to understand the specific design characteristics of the replacement joint that allow healthy knee joint kinematics to be mimicked [26], and thereby avoid overloading of the surrounding soft tissue structures.…”

Section: Introductionmentioning

confidence: 99%

Knee implant kinematics are task-dependent

Schütz

Postolka

Gerber

et al. 2019

J. R. Soc. Interface.

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Although total knee arthroplasty (TKA) has become a standard surgical procedure for relieving pain, knowledge of the in vivo knee joint kinematics throughout common functional activities of daily living is still missing. The goal of this study was to analyse knee joint motion throughout complete cycles of daily activities in TKA subjects to establish whether a significant difference in joint kinematics occurs between different activities. Using dynamic videofluoroscopy, we assessed tibio-femoral kinematics in six subjects throughout complete cycles of walking, stair descent, sit-to-stand and stand-to-sit. The mean range of condylar anterior–posterior translation exhibited clear task dependency across all subjects. A significantly larger anterior–posterior translation was observed during stair descent compared to level walking and stand-to-sit. Local minima were observed at approximately 30° flexion for different tasks, which were more prominent during loaded task phases. This characteristic is likely to correspond to the specific design of the implant. From the data presented in this study, it is clear that the flexion angle alone cannot fully explain tibio-femoral implant kinematics. As a result, it seems that the assessment of complete cycles of the most frequent functional activities is imperative when evaluating the behaviour of a TKA design in vivo .

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“…Considering that both quadriceps and hamstrings muscle groups are significantly activated during jump landings (Färber et al, 2018), it is reasonable to enquire whether enhanced co-activation of such muscle groups contributes to prevention strategies (Oberhofer et al, 2017). However, previous research and opinion targeting quadriceps functional features and ACL-injuries has been controversial, as Färber et al (2018) pointed out.…”

Section: Introductionmentioning

confidence: 99%

Maximal Eccentric Hamstrings Strength in Competitive Alpine Skiers: Cross-Sectional Observations From Youth to Elite Level

et al. 2019

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Competitive alpine skiers are subject to substantial risks of injury, especially concerning the anterior cruciate ligament (ACL). During “landing back weighted” episodes, hamstrings may partially counteract the anterior shear force acting on the tibia by eccentrically resisting the boot-induced drawer of the tibia relative to the femur. The aim of the present study was to provide novel descriptive data and sport-specific reference values on maximal eccentric hamstrings strength (MEHS) in competitive alpine skiers from youth to elite level, and to explore potential relationships with sex, age and biological maturation. 170 competitive alpine skiers were investigated: 139 youth athletes (51 females, 88 males; age: 13.8 ± 0.59 years) and 31 elite athletes (19 females, 12 males; age: 21.7 ± 2.8 years). MEHS was assessed by the (Vald Performance, Newstead, Australia). U15 female skiers presented lower MEHS compared to female elite skiers for both limbs ( R = 210 ± 44 N vs. 340 ± 48 N, respectively, p < 0.001, and L = 207 ± 46 N vs. 303 ± 35 N, respectively, p < 0.001). Similarly, lower MEHS was observed in U15 male skiers compared to male elite skiers for both limbs ( R = 259 ± 51 N vs. 486 ± 62 N, respectively, p < 0.001, and L = 258 ± 57 N vs. 427 ± 54 N, respectively, p < 0.001). Correlations between MEHS and chronological age were modestly significant only for the U15 group ( r = 0.37 and p < 0.001). When the correlations for the U15 group were performed between MHES and maturity offset (obtained from the calculation of biological age, i.e., age at peak height velocity), statistical significance was reached by all the correlations run for 3 variables (Males < 0: r = 0.59, p < 0.0001; Males > 0: r = 0.70, p < 0.0001; and Females > 0: r = 0.46, p < 0.0001, start of maturity offset = 0). This cross-sectional description of MEHS in alpine skiers from youth to elite level highlights the importance of biological maturation for MEHS values in youth athletes and presents novel data that may offer insights into new approaches for injury prevention.

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The influence of muscle-tendon forces on ACL loading during jump landing: a systematic review

Cited by 11 publications

References 43 publications

Sex-related differences in plantarflexor function during repeated stretch-shortening cycle loading

Sex-related differences in plantarflexor function during repeated stretch-shortening cycle loading

Knee implant kinematics are task-dependent

Maximal Eccentric Hamstrings Strength in Competitive Alpine Skiers: Cross-Sectional Observations From Youth to Elite Level

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