Walter Herzog

Sarcomere overextension reduces stretch-induced tension loss in myofibrils of rabbit psoas.

Force enhancement following muscle stretch of electrically stimulated and voluntarily activated human adductor pollicis.

Simulating the swelling and deformation behaviour in soft tissues using a convective thermal analogy.

Force depression following muscle shortening of voluntarily activated and electrically stimulated human adductor pollicis.

Aspects of skeletal muscle modelling.

Vibration training: an overview of the area, training consequences, and future considerations.

Acute botulinum toxin-induced muscle weakness in the anterior cruciate ligament-deficient rabbit.

Proposed model of botulinum toxin-induced muscle weakness in the rabbit.

Differential serial sarcomere number adaptations in knee extensor muscles of rats is contraction type dependent.

Relationship between force and stiffness in muscle fibers after stretch.

Is the force-length relationship a useful indicator of contractile element damage following eccentric exercise?

A transversely isotropic, transversely homogeneous microstructural-statistical model of articular cartilage.

Should tendon and aponeurosis be considered in series?

The magnitude of muscle strain does not influence serial sarcomere number adaptations following eccentric exercise.

Control of ground reaction forces by hindlimb muscles during cat locomotion.

Short-term effects of spinal manipulation on H-reflex amplitude in healthy and symptomatic subjects.

Effect of altering starting length and activation timing of muscle on fiber strain and muscle damage.

Predictions of co-contraction depend critically on degrees-of-freedom in the musculoskeletal model.

Force enhancement at different levels of voluntary contraction in human adductor pollicis.

The dependence of force enhancement on activation in human adductor pollicis.

History-dependence of isometric muscle force: effect of prior stretch or shortening amplitude.

Lower leg muscle atrophy in ankle osteoarthritis.

New insights into the passive force enhancement in skeletal muscles.

Modulation of passive force in single skeletal muscle fibres.

Muscular lower leg asymmetry in middle-aged people.

The role of muscles in joint degeneration and osteoarthritis.

On the anisotropy and inhomogeneity of permeability in articular cartilage.

Premature deactivation of soleus during the propulsive phase of cat jumping.

Depth-dependent analysis of the role of collagen fibrils, fixed charges and fluid in the pericellular matrix of articular cartilage on chondrocyte mechanics.

Mysteries of muscle contraction.

Importance of collagen orientation and depth-dependent fixed charge densities of cartilage on mechanical behavior of chondrocytes.

Activation-induced force enhancement in human adductor pollicis.

Residual force enhancement exceeds the isometric force at optimal sarcomere length for optimized stretch conditions.

Effect of temperature on residual force enhancement in single skeletal muscle fibers.

Towards an analytical model of soft biological tissues.

Velocity-dependent cost function for the prediction of force sharing among synergistic muscles in a one degree of freedom model.

Does residual force enhancement increase with increasing stretch magnitudes?

Confocal microscopy indentation system for studying in situ chondrocyte mechanics.

Shortening-induced force depression is primarily caused by cross-bridges in strongly bound states.

Twitch interpolation represents muscle activation in a qualitative manner only.

Mechanical loading of in situ chondrocytes in lapine retropatellar cartilage after anterior cruciate ligament transection.

Microstructural damage in arterial tissue exposed to repeated tensile strains.

In vivo operational fascicle lengths of vastus lateralis during sub-maximal and maximal cycling.

Preliminary report: biomechanics of vertebral artery segments C1-C6 during cervical spinal manipulation.

The biomechanics of spinal manipulation.

A depth-dependent model of the pericellular microenvironment of chondrocytes in articular cartilage.

Changes in contractile properties of muscles receiving repeat injections of botulinum toxin (Botox).

Osmotic loading of in situ chondrocytes in their native environment.

A novel model for diffusion based release kinetics using an inverse numerical method.

Does the source of hemarthrosis influence posttraumatic joint contracture and biomechanical properties of the joint?

Changes in fascicle lengths and pennation angles do not contribute to residual force enhancement/depression in voluntary contractions.

Mechanically induced calcium signaling in chondrocytes in situ.

The influence of cyclic concentric and eccentric submaximal muscle loading on cell viability in the rabbit knee joint.

Catchlike property in human adductor pollicis muscle.

Changes in patellofemoral joint contact pressures caused by vastus medialis muscle weakness.

Molecular mechanisms of muscle force regulation: a role for titin?

Biomechanical characterization of cervical spinal manipulation in living subjects and cadavers.

Running injuries: is it a question of evolution, form, tissue properties, mileage, or shoes?

New insights into force depression in skeletal muscle.

Are titin properties reflected in single myofibrils?

Overextended sarcomeres regain filament overlap following stretch.

In situ chondrocyte viscoelasticity.

Chondrocyte deformation under extreme tissue strain in two regions of the rabbit knee joint.

The effects of electrical stimulation exercise on muscles injected with botulinum toxin type-A (botox).

Internal Carotid Artery Strains During High-Speed, Low-Amplitude Spinal Manipulations of the Neck.

Altered mechanical properties of titin immunoglobulin domain 27 in the presence of calcium.

The three filament model of skeletal muscle stability and force production.

Dynamic in-vivo force transfer in the lapine knee loaded by quadriceps muscle contraction.

Mechanisms of enhanced force production in lengthening (eccentric) muscle contractions.

Residual force enhancement: the neglected property of striated muscle contraction.

Superficial collagen fibril modulus and pericellular fixed charge density modulate chondrocyte volumetric behaviour in early osteoarthritis.

A review of the combination of experimental measurements and fibril-reinforced modeling for investigation of articular cartilage and chondrocyte response to loading.

Long-term repetitive mechanical loading of the knee joint by in vivo muscle stimulation accelerates cartilage degeneration and increases chondrocyte death in a rabbit model.

The force-length relationship of the cat soleus muscle.

Do skeletal muscle properties recover following repeat onabotulinum toxin A injections?

The properties of chondrocyte membrane reservoirs and their role in impact-induced cell death.

Cervical artery dissection: a biomechanical perspective.

Extracellular matrix integrity affects the mechanical behaviour of in-situ chondrocytes under compression.

Muscle and fascicle excursion in children with cerebral palsy.

Alterations in patellofemoral kinematics following vastus medialis transection in the anterior cruciate ligament deficient rabbit knee.

Eccentric exercise: many questions unanswered.

Rapid hamstrings/quadriceps strength in ACL-reconstructed elite Alpine ski racers.

Shortening-induced torque depression in old men: implications for age-related power loss.

The effect of compressive loading magnitude on in situ chondrocyte calcium signaling.

The role of titin in eccentric muscle contraction.

In vivo vastus lateralis force-velocity relationship at the fascicle and muscle tendon unit level.

Titin force is enhanced in actively stretched skeletal muscle.

Decay of force transients following active stretch is slower in older than young men: support for a structural mechanism contributing to residual force enhancement in old age.

Muscle strategies for leg extensions on a "Reformer" apparatus.

Tibiofemoral loss of contact area but no changes in peak pressures after meniscectomy in a Lapine in vivo quadriceps force transfer model.

Quantifying strain in the vertebral artery with simultaneous motion analysis of the head and neck: a preliminary investigation.

Reduced knee joint loading with lateral and medial wedge insoles for management of knee osteoarthritis: a protocol for a randomized controlled trial.

A novel three-filament model of force generation in eccentric contraction of skeletal muscles.

Cartilage and chondrocyte response to extreme muscular loading and impact loading: Can in vivo pre-load decrease impact-induced cell death?

The stretch-shortening cycle (SSC) revisited: residual force enhancement contributes to increased performance during fast SSCs of human m. adductor pollicis.

Intermittent stretch training of rabbit plantarflexor muscles increases soleus mass and serial sarcomere number.

A clinically relevant BTX-A injection protocol leads to persistent weakness, contractile material loss, and an altered mRNA expression phenotype in rabbit quadriceps muscles.

A new paradigm for muscle contraction.

Quadrupedal Locomotion-Respiration Entrainment and Metabolic Economy in Cross-Country Skiers.

Response to diet-induced obesity produces time-dependent induction and progression of metabolic osteoarthritis in rat knees.

Reduction in single muscle fiber rate of force development with aging is not attenuated in world class older masters athletes.

In Vivo Dynamic Deformation of Articular Cartilage in Intact Joints Loaded by Controlled Muscular Contractions.

Residual force enhancement following shortening is speed-dependent.

History dependence of the electromyogram: Implications for isometric steady-state EMG parameters following a lengthening or shortening contraction.

A cross-bridge based model of force depression: Can a single modification address both transient and steady-state behaviors?

Decreased force enhancement in skeletal muscle sarcomeres with a deletion in titin.

High-fat high-sucrose diet leads to dynamic structural and inflammatory alterations in the rat vastus lateralis muscle.

Age-related maintenance of eccentric strength: a study of temperature dependence.

Unfolding of membrane ruffles of in situ chondrocytes under compressive loads.

The role of sarcomere length non-uniformities in residual force enhancement of skeletal muscle myofibrils.

Vastus lateralis maximum force-generating potential occurs at optimal fascicle length regardless of activation level.

In vivo Sarcomere Lengths and Sarcomere Elongations Are Not Uniform across an Intact Muscle.

Computing Average Passive Forces in Sarcomeres in Length-Ramp Simulations.

Finite element modeling of finite deformable, biphasic biological tissues with transversely isotropic statistically distributed fibers: toward a practical solution.

Biomechanical Insights Into Differences Between the Mid-Acceleration and Maximum Velocity Phases of Sprinting.

Letter to the editor: Comments on Cornachione et al. (2016): "The increase in non-cross-bridge forces after stretch of activated striated muscle is related to titin isoforms".

Asymmetry and Thigh Muscle Coactivity in Fatigued Anterior Cruciate Ligament-Reconstructed Elite Skiers.

Reduced knee adduction moments for management of knee osteoarthritis:: A three month phase I/II randomized controlled trial.

A High-Fat High-Sucrose Diet Rapidly Alters Muscle Integrity, Inflammation and Gut Microbiota in Male Rats.

Can inorganic phosphate explain sag during unfused tetanic contractions of skeletal muscle?

Is There an Optimal Pole Length for Double Poling in Cross Country Skiing?

Analysis of elbow muscle strength parameters in Brazilian jiu-jitsu practitioners.

Energy cost of isometric force production after active shortening in skinned muscle fibres.

Association of body mass index (BMI) and percent body fat among BMI-defined non-obese middle-aged individuals: Insights from a population-based Canadian sample.

In vivo muscle force and muscle power during near-maximal frog jumps.

Anterior cruciate ligament injury/reinjury in alpine ski racing: a narrative review.

Acute and chronic changes in rat soleus muscle after high-fat high-sucrose diet.

Titin force enhancement following active stretch of skinned skeletal muscle fibres.

Shortening-induced force depression is modulated in a time- and speed-dependent manner following a stretch-shortening cycle.

Nonlocalized postactivation performance enhancement (PAPE) effects in trained athletes: a pilot study.

Alterations in structural macromolecules and chondrocyte deformations in lapine retropatellar cartilage 9 weeks after anterior cruciate ligament transection.

A Retrospective Analysis of Concurrent Pathology in ACL-Reconstructed Knees of Elite Alpine Ski Racers.

Messenger RNA profiling of rabbit quadriceps femoris after repeat injections of botulinum toxin: Evidence for a dynamic pattern without further structural alterations.

Skeletal muscle mechanics: questions, problems and possible solutions.

Differences in titin segmental elongation between passive and active stretch in skeletal muscle.

Functional properties of chondrocytes and articular cartilage using optical imaging to scanning probe microscopy.

Skeletal muscle mechanics, energetics and plasticity.

Diet-induced obesity leads to pro-inflammatory alterations to the vitreous humour of the eye in a rat model.

Influence of residual force enhancement and elongation of attached cross-bridges on stretch-shortening cycle in skinned muscle fibers.

Sarcomere Lengths Become More Non-uniform upon Activation in Intact Whole Muscle.

Orthotropic hydraulic permeability of arrays of parallel cylinders.

The multiple roles of titin in muscle contraction and force production.

Force depression following a stretch-shortening cycle is independent of stretch peak force and work performed during shortening.

Residual Force Enhancement Is Preserved for Conditions of Reduced Contractile Force.

Three-dimensional micro-scale strain mapping in living biological soft tissues.

Correction to: skeletal muscle mechanics: questions, problems and possible solutions.

The sag response in human muscle contraction.

Obesity, Metabolic Syndrome, and Musculoskeletal Disease: Common Inflammatory Pathways Suggest a Central Role for Loss of Muscle Integrity.

Quantifying the Effects of Different Treadmill Training Speeds and Durations on the Health of Rat Knee Joints.

Software for convenient correction of artifacts in sonomicrometry.

Site-specific glycosaminoglycan content is better maintained in the pericellular matrix than the extracellular matrix in early post-traumatic osteoarthritis.

Force properties of skinned cardiac muscle following increasing volumes of aerobic exercise in rats.

Residual Force Enhancement Is Attenuated in a Shortening Magnitude-dependent Manner.

Mitigating the bilateral deficit: reducing neural deficits through residual force enhancement and activation reduction.

A compression system for studying depth-dependent mechanical properties of articular cartilage under dynamic loading conditions.

Iterative and discrete reconstruction in the evaluation of the rabbit model of osteoarthritis.

Towards secondary prevention of early knee osteoarthritis.

Association of Metabolic Markers with self-reported osteoarthritis among middle-aged BMI-defined non-obese individuals: a cross-sectional study.

The mechanics of agonistic muscles.

Single sarcomere contraction dynamics in a whole muscle.

Do recreational team sports provide fitness and health benefits?

The problem with running injuries.

Running slow or running fast; that is the question: The merits of high-intensity interval training.

Fairness in Olympic sports: How can we control the increasing complexity of doping use in high performance sports?

Regarding: "Examining the relationship between sport and health among USA women: An analysis of the Behavioral Risk Factor Surveillance System" by Pharr and Lough.

Eccentric concentric muscle contraction: That is the question.

Why are muscles strong, and why do they require little energy in eccentric action?

The mysteries of eccentric muscle action.

A comparison of lower limb stiffness and mechanical muscle function in ACL-reconstructed, elite, and adolescent alpine ski racers/ski cross athletes.

Intramuscular injection of collagenase clostridium histolyticum may decrease spastic muscle contracture for children with cerebral palsy.

Contribution of individual quadriceps muscles to knee joint mechanics.

Protective effect of prebiotic and exercise intervention on knee health in a rat model of diet-induced obesity.

Stiffness of hip adductor myofibrils is decreased in children with spastic cerebral palsy.

Anterior cruciate ligament transection alters the n-3/n-6 fatty acid balance in the lapine infrapatellar fat pad.

Maturity status effects on torque and muscle architecture of young soccer players.

The mechanical and biochemical properties of tail tendon in a rat model of obesity: Effect of moderate exercise and prebiotic fibre supplementation.

Effect of strain rate on transient local strain variations in articular cartilage.

Effects of macro-cracks on the load bearing capacity of articular cartilage.

Does stretching velocity affect residual force enhancement?

Passive force enhancement in striated muscle.

Optimal length, calcium sensitivity and twitch characteristics of skeletal muscles from mice with a deletion in N2A titin.

Influence of stretch magnitude on the stretch-shortening cycle in skinned muscle fibres.

Relationship of muscle morphology to hip displacement in cerebral palsy: a pilot study investigating changes intrinsic to the sarcomere.

Contribution of the Achilles tendon to force potentiation in a stretch-shortening cycle.

Editorial re: Could sport be part ….. by Ring-Dimitriou et al.

Musculoskeletal Simulation Tools for Understanding Mechanisms of Lower-Limb Sports Injuries.

Sarcopenia, Cerebral Palsy, and Botulinum Toxin Type A.

Force depression following a stretch-shortening cycle depends on the amount of residual force enhancement established in the initial stretch phase.

Effect of structural distortions on articular cartilage permeability under large deformations.

Current Understanding of Residual Force Enhancement: Cross-Bridge Component and Non-Cross-Bridge Component.

On sarcomere length stability during isometric contractions before and after active stretching.

Chronic uphill and downhill exercise protocols do not lead to sarcomerogenesis in mouse skeletal muscle.

Anterior cruciate ligament transection of rabbits alters composition, structure and biomechanics of articular cartilage and chondrocyte deformation 2 weeks post-surgery in a site-specific manner.

Why do muscles lose torque potential when activated within their agonistic group?

Direct Validation of Model-predicted Muscle Forces in the Cat Hindlimb During Walking.

Triceps Surae Muscle Architecture Adaptations to Eccentric Training.

Reflex Responses of Neck, Back, and Limb Muscles to High-Velocity, Low-Amplitude Manual Cervical and Upper Thoracic Spinal Manipulation of Asymptomatic Individuals-A Descriptive Study.

A brief contraction has complex effects on summation of twitch pairs in human adductor pollicis.

The sarcomere force-length relationship in an intact muscle-tendon unit.

Reflections on obesity, exercise, and musculoskeletal health.

Impact of age on host responses to diet-induced obesity: Development of joint damage and metabolic set points.

Multiparametric MR imaging reveals early cartilage degeneration at 2 and 8 weeks after ACL transection in a rabbit model.

Mechanical adaptations of skinned cardiac muscle in response to dietary-induced obesity during adolescence in rats.

Lessons Learned.

Machine Learning Classification of Articular Cartilage Integrity Using Near Infrared Spectroscopy.

Sarcomere Lengths Become More Uniform Over Time in Intact Muscle-Tendon Unit During Isometric Contractions.

Fluorescence recovery after photobleaching: direct measurement of diffusion anisotropy.

The influence of maximal and submaximal cyclic concentric and eccentric exercise on chondrocyte death and synovial fluid proteins in the rabbit knee.

Mechanical Function of Cardiac Fibre Bundles is Partly Protected by Exercise in Response to Diet-induced Obesity in Rats.