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Effect of Knee Joint Angle on Regional Hamstrings Activation During Isometric Knee-Flexion Exercise

Raki Kawama, Masamichi Okudaira, David H. Fukuda, Hirohiko Maemura, and Satoru Tanigawa

in knee-flexion angle. This result implies the possibility that the activation of each hamstring muscle could be selectively increased by changing the knee joint angle during isometric exercise. Meanwhile, the individual hamstring muscles are divided into several regions according to their multiple

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Single-Leg Drop Jump Biomechanics After Ankle or Knee Joint Cooling in Healthy Young Adults

Jihong Park, Kyeongtak Song, and Sae Yong Lee

patterns due to joint cooling may receive excessive stress to musculoskeletal structures during high-velocity multi-joint movements such as landing, which can lead to an injury. 8 , 9 Results of previous reports on proprioceptive changes due to knee joint cooling are not consistent in that some reported a

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The Effect of Cryotherapy Application to the Knee Joint on Dynamic Postural Stability

Karl Fullam, Brian Caulfield, Garrett F. Coughlan, Wayne McNulty, David Campbell, and Eamonn Delahunt

impairments that could contribute to lower-limb injury. 17 , 18 Decreased postural balance is a primary risk factor for knee joint injury. 19 Furthermore, Coughlan et al 20 recently recommended the utilization of dynamic postural balance testing as part of a weekly musculoskeletal screening assessment to

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Open Foot Stance Reduces Lead Knee Joint Loading During Golf Swing

Hannah Stokes, Rafael Escamilla, Joseph Bellapianta, Hongsheng Wang, Tyson Beach, Dave Frost, and Naiquan Zheng

influenced by many factors that make each player’s swing unique. During the golf swing, there are high knee joint loadings on both knees, but the target or lead knee joint loading is significantly higher than that of the trail knee. 1 Injuries may be a result of the excessive knee joint motion and loading

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A Magnetic Resonance Imaging–Compatible Device to Perform In Vivo Anterior Knee Joint Loading

Kyoungyoun Park-Braswell, Sandra J. Shultz, and Randy J. Schmitz

demonstrated to result in altered brain activation patterns during lower leg movement tasks. 6 This may indicate possible neuroplasticity in response to sensory alteration from the joint. It is understood that mechanoreceptors in the ACL respond to anterior knee joint loading. 4 Neuroimaging techniques such

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Influence of a Full-Body Compression Suit on Trunk Positioning and Knee Joint Mechanics During Lateral Movements

Guillaume Mornieux, Elmar Weltin, Monika Pauls, Franz Rott, and Albert Gollhofer

Lateral movements with changes of direction are common in many team sports such as soccer or handball. During cutting maneuvers, the athlete performs a complex dynamic task by quickly changing their direction of movement while securing their balance. Knee joint control is an essential requirement

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Quadriceps Muscle Action and Association With Knee Joint Biomechanics in Individuals with Anterior Cruciate Ligament Reconstruction

Amanda E. Munsch, Alyssa Evans-Pickett, Hope Davis-Wilson, Brian Pietrosimone, and Jason R. Franz

Individuals with anterior cruciate ligament reconstruction (ACLR) experience heightened risk for tibiofemoral osteoarthritis (OA) development, likely due in part to altered knee joint biomechanics and consequent maladaptive articular cartilage loading. 1 – 3 Changes in walking gait biomechanics

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Prediction of Knee Joint Contact Forces From External Measures Using Principal Component Prediction and Reconstruction

Christopher M. Saliba, Allison L. Clouthier, Scott C.E. Brandon, Michael J. Rainbow, and Kevin J. Deluzio

The onset and progression of knee osteoarthritis have been attributed to abnormal loading of the knee joint. 1 – 3 Clinical interventions, both surgical and noninvasive, aim to reduce medial compartment knee loads. 4 – 6 Gait retraining is a noninvasive intervention in the treatment of

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Effect of Fatigue on Hip and Knee Joint Biomechanics in Anterior Cruciate Ligament Deficient Patients

Komeil Dashti Rostami and Abbey Thomas

Rupture of the anterior cruciate ligament (ACL) and subsequent repair both alter the mechanics of the knee joint. 1 More than 50% of highly active patients with an ACL injury who choose nonsurgical treatment (active rehabilitation alone) have successful 2-year outcomes and knee function comparable

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Nordic Walking Improves Gait Power Profiles at the Knee Joint in Parkinson’s Disease

Lei Zhou, Marie-Anne Gougeon, and Julie Nantel

set at P  < .05 and Tukey procedures for multiple comparisons were used when needed. Results At the knee joint, we found main effects for both groups and conditions (Table  1 ). Comparisons between groups showed a main effect in energy absorption with the knee extensor muscles (K3). On the less