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1.
Disabil Rehabil Assist Technol ; 18(2): 175-184, 2023 02.
Article in English | MEDLINE | ID: mdl-33155507

ABSTRACT

BACKGROUND: The digital assistant "Vigo" is a computer-generated artificial intelligence-based application that serves as a digital assistant to a stroke patient and his family. With its conversational chatbot and gamification elements it counsels, educates, and trains the stroke patient and patient's family on stroke, rehabilitation, care, and other related issues. AIM: This study describes insights about The digital assitant "Vigo" usability from a patients' perspective. METHODS: Twelve patients tested the application at their home environment. Three semi-structured interviews were conducted with each participant to obtain information on the usability of the application. Deductive thematic analyses were used to analyze trancripts. RESULTS: Participants expressed their opinions on music, pictures, video and audio files, chat options, layout, text, name of application and stand that is used for placement of devices on which "Vigo" is installed on. All participants generally evaluated application as transparent, understandable, and handy. The overall design of the application was rated as good. Participants were mostly unsatisfied with difficulty level and diversity of exercises. CONCLUSIONS: Participants had a positive attitude towards using tablet tehchnologies in their home environment. Users of digital assistant "Vigo" acknowledged its ability to support, give educational information and increase participation in therapeutic activities.Implications for rehabilitationTablet application can support, give educational information, and increase participation in therapeutic activities for persons after stroke.As home-based rehabilitation tool, the content of the application must be simple, flexible, and diverse, to face the challenges of meeting each individual's goals, functional needs and abilities.


Subject(s)
Stroke Rehabilitation , Stroke , Humans , Artificial Intelligence , Qualitative Research , Patient Outcome Assessment
2.
Med Sci Sports Exerc ; 52(6): 1239-1247, 2020 06.
Article in English | MEDLINE | ID: mdl-31876673

ABSTRACT

BACKGROUND AND PURPOSE: Adjuvant breast cancer therapy may reduce maximal muscle strength, muscle mass, and functional performance. Although maximal strength training (MST) has the potential to counteract this debilitating outcome and is shown to be superior to low- and moderate-intensity strength training, it is unknown if it can elicit effective adaptations in patients suffering treatment-induced adverse side effects. METHODS: Fifty-five newly diagnosed stage I to III breast cancer patients (49 ± 7 yr) scheduled for adjuvant therapy were randomized to MST or a control group. The MST group performed 4 × 4 repetitions of dynamic leg press at approximately 90% of one-repetition maximum (1RM) twice a week for 12 wk. RESULTS: In the MST group, improvements in 1RM (20% ± 8%; P < 0.001) were accompanied by improved walking economy (9% ± 8%) and increased time to exhaustion during incremental walking (9% ± 8%; both P < 0.01). Moreover, the MST group increased 6-min walking distance (6MWD; 10% ± 7%), and chair rising (30% ± 20%) and stair climbing performance (12% ± 7%; all P < 0.001). All MST-induced improvements were different from the control group (P < 0.01) which reduced their 1RM (9% ± 5%), walking economy (4% ± 4%), time to exhaustion (10% ± 8%), 6MWD (5% ± 5%), chair rising performance (12% ± 12%), and stair climbing performance (6% ± 8%; all P < 0.01). Finally, although MST maintained estimated quadriceps femoris muscle mass, a decrease was observed in the control group (7% ± 10%; P < 0.001). The change in 1RM correlated with the change in walking economy (r = 0.754), time to exhaustion (r = 0.793), 6MWD (r = 0.807), chair rising performance (r = 0.808), and stair climbing performance (r = 0.754; all P < 0.001). CONCLUSIONS: Lower-extremity MST effectively increases lower-extremity maximal muscle strength in breast cancer patients undergoing adjuvant therapy and results in improved work economy, functional performance, and maintenance of muscle mass. These results advocate that MST should be considered in breast cancer treatment.


Subject(s)
Breast Neoplasms/rehabilitation , Lower Extremity/physiology , Muscle Strength , Resistance Training/methods , Adult , Body Mass Index , Breast Neoplasms/physiopathology , Breast Neoplasms/therapy , Chemotherapy, Adjuvant , Female , Humans , Mastectomy, Segmental , Middle Aged , Physical Functional Performance , Quadriceps Muscle/physiology , Radiotherapy, Adjuvant , Resistance Training/adverse effects , Thigh/anatomy & histology , Walking/physiology
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