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Biomechanical analysis of human ligament grafts used in knee-ligament repairs and reconstructions.
- F. Noyes, D. Butler, E. Grood, R. Zernicke, M. Hefzy
- MedicineThe Journal of bone and joint surgery. American…
- 1 March 1984
Grafts utilizing prepatellar retinacular tissues and others in which a somewhat narrow width of fascia lata or distal iliotibial tract is utilized are at risk for elongation and failure at low forces.
The transition to reaching: mapping intention and intrinsic dynamics.
- E. Thelen, D. Corbetta, K. Kamm, J. Spencer, K. Schneider, R. Zernicke
- Psychology, MedicineChild development
- 1 August 1993
The results suggest that the infant central nervous system does not contain programs that detail hand trajectory, joint coordination, and muscle activation patterns, and these patterns are the consequences of the natural dynamics of the system and the active exploration of the match between those dynamics and the task.
Muscle architecture and force-velocity characteristics of cat soleus and medial gastrocnemius: implications for motor control.
- S. Spector, P. Gardiner, R. Zernicke, R. Roy, V. Edgerton
- Chemistry, MedicineJournal of neurophysiology
- 1 November 1980
The influence of the differing geometries of the soleus and medial gastrocnemius muscles on the roles of these muscles in generating forces at varying velocities, as demanded by the dynamics of the movement, is demonstrated.
Effects of structure and strain measurement technique on the material properties of young human tendons and fascia.
Biomechanics of musculoskeletal injury
In the first book of its kind, noted biomechanists William Whiting and Ronald Zernicke explore the mechanical bases of musculoskeletal injury to better understand causal mechanisms, the effect of…
Knee Joint Dynamics Predict Patellar Tendinitis in Elite Volleyball Players
- D. Richards, S. Ajemian, J. Wiley, R. Zernicke
- MedicineThe American journal of sports medicine
- 1 September 1996
In these players, the likelihood of patellar tendon pain was significantly related to high forces and rates of loading in the knee extensor mechanism, combined with large external tibial torsional moments and deep knee flexion angles.
Architectural, histochemical, and contractile characteristics of a unique biarticular muscle: the cat semitendinosus.
Isometric and isotonic contractile properties of the ST were studied for three stimulation conditions and demonstrated the necessity of the neuromotor command being matched with the architectural as well as the biochemical properties of each sarcomere in the control of forces and velocities in vivo.
Strain Gradients Correlate with Sites of Exercise‐Induced Bone‐Forming Surfaces in the Adult Skeleton
- S. Judex, T. Gross, R. Zernicke
- Chemistry, MedicineJournal of bone and mineral research : the…
- 1 October 1997
This study found that a specific mechanical stimulus (peak circumferential strain gradients) was successfully correlated with specific sites of periosteal bone activation induced in a noninvasive bone adaptation model.
Long-term, high-fat-sucrose diet alters rat femoral neck and vertebral morphology, bone mineral content, and mechanical properties.
Intrinsic muscle properties facilitate locomotor control - a computer simulation study.
- K. Gerritsen, A. J. van den Bogert, M. Hulliger, R. Zernicke
- Physics, MedicineMotor control
- 1 July 1998
Based on the results of the simulations, skeletal muscle force-length-velocity properties, although interactively complex, contribute substantially to the dynamic stability of the musculoskeletal system.