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	Author	Geller, N.; Moringen, A.; Friedman, J.
	Title	Learning juggling by gradually increasing difficulty vs. learning the complete skill results in different learning patterns			Type	Journal Article
	Year	2023	Publication	Frontiers in Psychology	Abbreviated Journal	Front Psychol
	Volume	14	Issue		Pages	1284053
	Keywords	coordination; difficulty; juggling; learning strategies; motor learning
	Abstract	Motor learning is central to sports, medicine, and other health professions as it entails learning through practice. To achieve proficiency in a complex motor task, many hours of practice are required. Therefore, finding ways to speed up the learning process is important. This study examines the impact of different training approaches on learning three-ball cascade juggling. Participants were assigned to one of two groups: practicing by gradually increasing difficulty and elements of the juggling movement (“learning in parts”) or training on the complete skill from the start (“all-at-once”). Results revealed that although the all-at-once group in the early stages of learning showed greater improvement in performance, the “learning in parts” group managed to catch up, even over a relatively short period of time. The lack of difference in performance between the groups at the end of the training session suggests that the choice of training regime (between all-at-once and learning in parts), at least in the short term, can be selected based on other factors such as the learner's preference, practical considerations, and cognitive style.
	Address	Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1664-1078	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:38022928; PMCID:PMC10679398			Approved	no
	Call Number				Serial	120
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	Author	Bezalel, G.; Nachoum Arad, G.; Plotnik, M.; Friedman, J.
	Title	Voluntary step execution in patients with knee osteoarthritis: Symptomatic vs. non-symptomatic legs			Type	Journal Article
	Year	2021	Publication	Gait & Posture	Abbreviated Journal	Gait Posture
	Volume	83	Issue		Pages	60-66
	Keywords	Accidental falls; Gait; Knee; Osteoarthritis; Voluntary step
	Abstract	BACKGROUND: Individuals with osteoarthritis fall at a greater rate than the general population, likely as a result of weakness, pain, movement limitations, and a decline in balance. Due to the high prevalence of osteoarthritis in the population, understanding the mechanisms leading to greater fall risk is an important issue to better understand. RESEARCH QUESTION: What is the influence of unilateral knee osteoarthritis on the characteristics of performing a voluntary step (i.e., similar to that performed to avoid a fall after a perturbation), compared to healthy age-matched controls? METHODS: Case-control study performed in a Health maintenance organization physical therapy clinic. The research group consisted of a referred sample of 21 patients with unilateral knee osteoarthritis. The control group consisted of 22 age-matched healthy individuals. All participants were over 65 years of age. Participants were excluded if they had a surgical procedure to back or lower limb within one year before testing, oncological or neurological disease or a deficit in tactile sense. Movements were performed with and without dual tasking. MEASUREMENTS: Duration of the initiation phase (cue to step initiation), preparatory phase (step initiation to foot off) and swing phase (foot off to foot contact). RESULTS: In the preparatory phase and swing phase, the osteoarthritis group moved more slowly than the control group, and these differences were larger for forward compared to backward movements. Dual-tasking slowed responses in the pre-movement initiation stage across groups. SIGNIFICANCE: The differences in basic parameters, and the slower movements in the osteoarthritis group, are consistent with known features of osteoarthritis, being a disease commonly regarded as primarily “mechanical”, and are likely to increase fall risk. These response deficits suggest we should take advantage of advanced rehabilitation techniques, including cognitive loading, to help prevent falls in older adults with osteoarthritis.
	Address	Dept. Physical Therapy, Stanley Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel. Electronic address: jason@tau.ac.il
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0966-6362	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:33080457			Approved	no
	Call Number				Serial	107
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	Author	Raveh, E.; Portnoy, S.; Friedman, J.
	Title	Adding vibrotactile feedback to a myoelectric-controlled hand improves performance when online visual feedback is disturbed			Type	Journal Article
	Year	2018	Publication	Human Movement Science	Abbreviated Journal	Hum Mov Sci
	Volume	58	Issue		Pages	32-40
	Keywords	Myoelectric prostheses; Sensorimotor control; Upper limb amputation; Visual feedback
	Abstract	We investigated whether adding vibrotactile feedback to a myoelectric-controlled hand, when visual feedback is disturbed, can improve performance during a functional test. For this purpose, able-bodied subjects, activating a myoelectric-controlled hand attached to their right hand performed the modified Box & Blocks test, grasping and manipulating wooden blocks over a partition. This was performed in 3 conditions, using a repeated-measures design: in full light, in a dark room where visual feedback was disturbed and no auditory feedback – one time with the addition of tactile feedback provided during object grasping and manipulation, and one time without any tactile feedback. The average time needed to transfer one block was measured, and an infrared camera was used to give information on the number of grasping errors during performance of the test. Our results show that when vibrotactile feedback was provided, performance time was reduced significantly, compared with when no vibrotactile feedback was available. Furthermore, the accuracy of grasping and manipulation was improved, reflected by significantly fewer errors during test performance. In conclusion, adding vibrotactile feedback to a myoelectric-controlled hand has positive effects on functional performance when visual feedback is disturbed. This may have applications to current myoelectric-controlled hands, as adding tactile feedback may help prosthesis users to improve their functional ability during daily life activities in different environments, particularly when limited visual feedback is available or desirable.
	Address	Physical Therapy Department, Sackler Faculty of Medicine, Tel Aviv University, Israel. Electronic address: jason@post.tau.ac.il
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0167-9457	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:29353091			Approved	no
	Call Number				Serial	88
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	Author	Cantergi, D.; Awasthi, B.; Friedman, J.
	Title	Moving objects by imagination? Amount of finger movement and pendulum length determine success in the Chevreul pendulum illusion			Type	Journal Article
	Year	2021	Publication	Human Movement Science	Abbreviated Journal	Human Movement Science
	Volume	80	Issue		Pages	102879
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0167-9457	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number				Serial	111
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	Author	Liebermann, D.G.; Berman, S.; Weiss, P.L.T.; Levin, M.F.
	Title	Kinematics of reaching movements in a 2-d virtual environment in adults with and without stroke			Type	Journal Article
	Year	2012	Publication	IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society	Abbreviated Journal	IEEE Trans Neural Syst Rehabil Eng
	Volume	20	Issue	6	Pages	778-787
	Keywords
	Abstract	Virtual reality environments are increasingly being used for upper limb rehabilitation in poststroke patients. Our goal was to determine if arm reaching movements made in a 2-D video-capture virtual reality environment are similar to those made in a comparable physical environment. We compared arm and trunk kinematics for reaches made with the right, dominant arm to three targets (14 trials per target) in both environments by 16 adults with right poststroke hemiparesis and by eight healthy age-matched controls. Movement kinematics were recorded with a three-camera optoelectronic system at 100 samples/s. Reaching movements made by both control and stroke subjects were affected by viewing the targets in the video-capture 2-D virtual environment. Movements were slower, shorter, less straight, less accurate and involved smaller ranges of shoulder and elbow joint excursions for target reaches in the virtual environment compared to the physical environment in all subjects. Thus, there was a decrease in the overall movement quality for movements made in the 2-D virtual environment. This suggests that 2-D video-capture virtual reality environments should be used with caution when the goal of the rehabilitation program is to improve the quality of movement patterns of the upper limb.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1534-4320	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:22907972			Approved	no
	Call Number				Serial	28
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