Ka Chun Siu
Affiliation: University of Nebraska Medical Center
- The interrelationship between balance, Tai Chi and depression in Latino older adultsKa Chun Siu
Physical Therapy Education, University of Nebraska Medical Center, 984420 Nebraska Medical Center, Omaha, NE, 68198, USA
Aging Clin Exp Res . 2016..Participants who had higher depression at baseline, experienced greater improvement in functional status, following the 12-week Tai Chi exercise program, compared with those who had lower levels of depression...
- The impact of environmental noise on robot-assisted laparoscopic surgical performanceKa Chun Siu
Nebraska Biomechanics Core Facility, University of Nebraska at Omaha, Omaha, NE 68198 5110, USA
Surgery 147:107-13. 2010..We investigated whether noise during training with the da Vinci surgical robot (Intuitive Surgical, Inc., Sunnyvale, CA) would affect the performance of simple operative tasks by the surgeon...
- The effect of music on robot-assisted laparoscopic surgical performanceKa Chun Siu
University of Nebraska Medical Center, Omaha, NE 68198 5110, USA
Surg Innov 17:306-11. 2010..In conclusion, music with high rhythmicity has a beneficial effect on robotic surgical performance. Musical environment may benefit surgical training and make acquisition of surgical skills more efficient...
- Electromyographic correlates of learning during robotic surgical training in virtual realityIrene H Suh
College of Public Health, Center for Advanced Surgical Technology, Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA
Stud Health Technol Inform 163:630-4. 2011..05). In conclusion, changes in electrographic activity shows that training in virtual reality leads to specific changes in neuromotor control of robotic surgical tasks...
- Accuracy and speed trade-off in robot-assisted surgeryJung Hung Chien
Nebraska Biomechanics Core Facility, University of Nebraska at Omaha, NE, USA
Int J Med Robot 6:324-9. 2010..Controlling surgical task speed and maintaining accuracy are vital components of robotic surgical skills. This study was designed to investigate the relationship between accuracy and speed for robot-assisted surgical skills...
- Enhancing fundamental robot-assisted surgical proficiency by using a portable virtual simulatorJung Hung Chien
University of Nebraska Medical Center, Omaha, NE 68182, USA
Surg Innov 20:198-203. 2013..The development of a virtual reality (VR) training platform provides an affordable interface. The learning effect of VR and the capability of skill transfer from the VR environment to clinical tasks require more investigation...
- The negative effect of distraction on performance of robot-assisted surgical skills in medical students and residentsIrene H Suh
Department of Environmental, Agricultural and Occupational Health, College of Public Health, University of Nebraska Medical Center, Omaha, NE 68198 5110, USA
Int J Med Robot 6:377-81. 2010..The purpose of this research was to investigate the effect of distraction on robot-assisted surgical skill performance in medical students and residents...
- Effects of a secondary task on obstacle avoidance in healthy young adultsKa Chun Siu
HPER Biomechanics Laboratory, University of Nebraska at Omaha, Omaha, NE 68182, USA
Exp Brain Res 184:115-20. 2008..Our findings suggest the existence of a hierarchy of control within both postural task (obstacle avoidance requires the most information processing resources) and dual-task (with gait stability being a priority) conditions...
- Examination of muscle effort and fatigue during virtual and actual laparoscopic surgical skills practiceLandon Ehlers
College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
Stud Health Technol Inform 184:122-8. 2013..These EMG results demonstrated how the virtual trainer could provide meaningful physiological value to the surgeon training in laparoscopic surgery...
- Investigating the muscle activities of performing surgical training tasks using a virtual simulatorChun Kai Huang
College of Public Health, University of Nebraska Medical Center, Omaha, NE, USA
Stud Health Technol Inform 173:200-4. 2012..This study suggests that the upper trapezius and the extensor digitorum are essential prime movers to perform surgical training tasks. These muscles should be monitored for performance assessment in future studies...
- Modeling surgical skill learning with cognitive simulationShi Hyun Park
Nebraska Biomechanics Core Facility, University of Nebraska at Omaha, Omaha, NE, USA
Stud Health Technol Inform 163:428-32. 2011..Preliminary results revealed that an ACT-R model produced similar learning effects. Cognitive simulation can be used to demonstrate and optimize the perceptual motor learning and skill decay in surgical skill training...
- The influence of visual perception of self-motion on locomotor adaptation to unilateral limb loadingMukul Mukherjee
Nebraska Biomechanics Core Facility, University of Nebraska, Omaha, NE 68182 0216, USA
J Mot Behav 43:101-11. 2011..VR technology, providing such perceptual cues, has an important role in enhancing locomotor adaptation...
- Validated robotic laparoscopic surgical training in a virtual-reality environmentDimitrios Katsavelis
HPER Biomechanics Lab, University of Nebraska at Omaha, Omaha, NE 68182 0216, USA
Surg Endosc 23:66-73. 2009..The simulated VR training environment provides an effective approach to evaluate and improve surgical performance. This study presents our findings of the VR training environment for robotic laparoscopy...
- Investigating the Influence of Hand Dominance on Postural Sway During Traditional and Simulated Laparoscopic Surgical Skills PracticeAnthony White
College of Medicine, University of Nebraska Medical Center, Omaha, NE
Stud Health Technol Inform 220:450-3. 2016..Compared with the FLS training box, training with VR decreased the use of muscle effort and could reduce the influence of hand dominance on the overall postural sway during laparoscopic surgical skills practice. ..
- Locomotor Sensory Organization Test: How Sensory Conflict Affects the Temporal Structure of Sway Variability During GaitJung Hung Chien
Biomechanics Research Building, College of Education, University of Nebraska at Omaha, 6160 University Drive, Omaha, NE, 68182, USA
Ann Biomed Eng 44:1625-35. 2016....
- Tasks matter: a cross-sectional study of the relationship of cognition and dual-task performance in older adultsDawn M Venema
Division of Physical Therapy Education, Nebraska Medical Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
J Geriatr Phys Ther 36:115-22. 2013..Adults with cognitive impairment (CI) experience more difficulty with DTs than healthy older adults, but it is unclear how the degree of CI relates to DT performance, particularly with tasks of varying levels of difficulty...
- Stroke survivors control the temporal structure of variability during reaching in dynamic environmentsMukul Mukherjee
Nebraska Biomechanics Core Facility, University of Nebraska at Omaha, Omaha, NE 68182 0216, USA
Ann Biomed Eng 41:366-76. 2013..The absence of transfer effects demonstrated that variability control of hand movement after a stroke is specific to the task and the environment...
- Adaptive Virtual Reality Training to Optimize Military Medical Skills Acquisition and RetentionKa Chun Siu
University of Nebraska Medical Center, 984220 Nebraska Medical Center, Omaha, NE 68198
Mil Med 181:214-20. 2016..This article reports some data that will support adaptive tutoring of minimally invasive surgery and similar surgical skills. ..
- Effects of Hand Dominance and Postural Selection on Muscle Activities of Virtual Laparoscopic Surgical Training TasksChun Kai Huang
College of Allied Health Professions, University of Nebraska Medical Center, Omaha, NE
Stud Health Technol Inform 220:142-5. 2016..It is also important to pay attention on postural selection during training to reduce muscle fatigue, which possibly leads to injuries. ..
- Evaluating Robotic Surgical Skills Performance Under Distractive Environment Using Objective and Subjective MeasuresIrene H Suh
University of Nebraska Medical Center, Omaha, NE, USA
Surg Innov 23:78-89. 2016..Our aim was to investigate the effect of distractions on RAS performance using both objective and subjective measures...
- Virtual laparoscopic surgical skills practice using a multi-degree of freedom joystickChun Kai Huang
School of Allied Health Professions, University of Nebraska Medical Center, Omaha, NE
Stud Health Technol Inform 196:170-4. 2014..This study suggests that the multi-degree of freedom joystick could provide more options to practice virtual laparoscopic surgical training tasks with muscle effort and fatigue similar to other traditional training boxes. ..
- Does inability to allocate attention contribute to balance constraints during gait in older adults?Ka Chun Siu
University of Nebraska at Omaha, Omaha, NE 68182, USA
J Gerontol A Biol Sci Med Sci 63:1364-9. 2008..In the current study, we examined one possible factor contributing to these deficits, the inability to flexibly allocate attention between two tasks...
- The Association of Sleep Loss and Balance Stability in FarmersKa Chun Siu
a Central States Center for Agricultural Safety and Health, University of Nebraska Medical Center, Omaha, Nebraska, USA
J Agromedicine 20:327-31. 2015..These results suggest that acute sleep loss impacts balance stability that may lead to falls. Understanding the association of sleep loss and balance stability is important in prevention of agricultural injuries. ..