Importance of body sway velocity information in controlling ankle extensor activities during quiet stance

K Masani, MR Popovic, K Nakazawa… - Journal of …, 2003 - journals.physiology.org
In literature, it has been suggested that the CNS anticipates spontaneous change in body
position during quiet stance and continuously modulates ankle extensor muscle activity to …

Effects of laterally wedged insoles on knee and subtalar joint moments

W Kakihana, M Akai, K Nakazawa, T Takashima… - Archives of physical …, 2005 - Elsevier
Kakihana W, Akai M, Nakazawa K, Takashima T, Naito K, Torii S. Effects of laterally wedged
insoles on knee and subtalar joint moments. OBJECTIVE: To assess the biomechanic …

Differences in activation patterns in elbow flexor muscles during isometric, concentric and eccentric contractions

K Nakazawa, Y Kawakami, T Fukunaga, H Yano… - European journal of …, 1993 - Springer
To investigate the relative activation of the synergistic muscles during three different types of
muscle contraction, the electromyograms (EMG) of two elbow flexor muscles, the biceps …

Activity modulations of trunk and lower limb muscles during impact-absorbing landing

Y Iida, H Kanehisa, Y Inaba, K Nakazawa - Journal of Electromyography …, 2011 - Elsevier
This study aimed to investigate the activity patterns of trunk and lower limb muscles during
impact-absorbing landing. Electromyogram activities of the trunk and lower limb muscles …

Effect of the walking speed to the lower limb joint angular displacements, joint moments and ground reaction forces during walking in water

…, T Shirota, SI Yamamoto, K Nakazawa… - Disability and …, 2004 - Taylor & Francis
Purpose: The purpose of this study was to compare the changes in ground reaction forces (GRF),
joint angular displacements (JAD), joint moments (JM) and electromyographic (EMG) …

Specific tension of elbow flexor and extensor muscles based on magnetic resonance imaging

Y Kawakami, K Nakazawa, T Fujimoto… - European journal of …, 1994 - Springer
Abstract Series cross-section images of the upper extremity were obtained for four men by
magnetic resonance imaging (MRI) and anatomical cross-sectional areas (ACSA) of elbow …

Reciprocal angular acceleration of the ankle and hip joints during quiet standing in humans

…, D Nozaki, K Masani, T Sato, K Nakazawa… - Experimental brain …, 2001 - Springer
Human quiet standing is often modeled as a single inverted pendulum rotating around the
ankle joint, under the assumption that movement around the hip joint is quite small. However, …

Center of pressure velocity reflects body acceleration rather than body velocity during quiet standing

K Masani, AH Vette, MO Abe, K Nakazawa - Gait & posture, 2014 - Elsevier
The purpose of this study was to test the hypothesis that the center of pressure (COP) velocity
reflects the center of mass (COM) acceleration due to a large derivative gain in the neural …

Changes of joint moments in the gait of normal subjects wearing laterally wedged insoles

…, N Yamasaki, T Takashima, K Nakazawa - American journal of …, 2004 - journals.lww.com
Kakihana W, Akai M, Yamasaki N, Takashima T, Nakazawa K: Changes of joint moments in
the gait of normal subjects wearing laterally wedged insoles. Am J Phys Med Rehabil 2004; …

Evaluation of postural control in quiet standing using center of mass acceleration: comparison among the young, the elderly, and people with stroke

…, N Kawashima, F Eto, N Haga, K Nakazawa - Archives of physical …, 2008 - Elsevier
Yu e, Abe M, Masani K, KawashimaN, Eto F, Haga N, Nakazawa K. Evaluation of postural
control in quiet standing using the center of mass acceleration: comparison among the young, …