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Nima Toosizadeh is assistant professor of the Department of Biomedical Engineering, College of Engineering, with a co-appointment within the Division of Geriatrics, General Internal Medicine and Palliative Medicine in the University of Arizona College of Medicine.

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Research Opportunities
  • New Research opportunity

    Grant: CAREER: Frailty Assessment for Older Adults with Walking Disabilities using Dynamical Modeling of Cardiac, Brain, and Motor Systems in Response to Provocative Testing

  • New Research opportunity

    Grant: Heart Rate Dynamics in Response to Upper-Extremity Function Test to Identify Irreversible Frailty After Invasive Therapy in Older Adults with Advanced Heart Disease

Courses
  • IB
    Introduction to Biomechanics

  • BE
    Biomechanical Engineering

Grants
  • Funding agency logo
    CAREER: Frailty Assessment for Older Adults with Walking Disabilities using Dynamical Modeling of Cardiac, Brain, and Motor Systems in Response to Provocative Testing

    Principal Investigator (PI)

    2023

    $461.6K
    Active
    Opportunity
  • Funding agency logo
    Heart Rate Dynamics in Response to Upper-Extremity Function Test to Identify Irreversible Frailty After Invasive Therapy in Older Adults with Advanced Heart Disease

    Principal Investigator (PI)

    2023

    $300.5K
    Active
    Opportunity
  • Funding agency logo
    Frailty Assessment Using Smart Watch: Simultaneous Assessment of Physical and Cardiac Function

    Principal Investigator (PI)

    2023

    $50.0K
    Active
  • Funding agency logo
    Arizona Alzheimer's Consortium Match Projects

    Co-Investigator (COI)

    2022

    $350.0K
    Active
  • Funding agency logo
    WARE-Care: A Novel RF-Based System to Assess and Prevent Falling

    Co-Investigator (COI)

    2022

    $220.5K
    Active
  • Funding agency logo
    Functional Capacity Assessment in Hospitalized Bed-bound COPD Patients; Predicting Outcomes

    Principal Investigator (PI)

    2019

    $410.5K
    Active
  • Funding agency logo
    A Soft, Battery-free, Wireless, Wearable Digital Health Platform for Continuous Frailty Assessment

    Co-Investigator (COI)

    2019

    $100.0K
  • Funding agency logo
    MCI and Alzheimer's Disease Screening Using Upper-Extremity Dual-Task

    Principal Investigator (PI)

    2017

    $430.9K
Technologies / Patents
      News
      • UA Researchers Developing 15-Minute MRI

        2019

      Publications (95)
      Recent
      • The association between heart rate behavior and gait performance: The moderating effect of frailty

        2022

      • Frailty Identification Using Heart Rate Dynamics: A Deep Learning Approach

        2022

      • Between-day repeatability of sensor-based in-home gait assessment among older adults: assessing the effect of frailty.

        2021

      • Physical and Cognitive Function Assessment to Predict Postoperative Outcomes of Abdominal Surgery.

        2021

      • Frailty and heart response to physical activity.

        2021

      • COMPARING METHODS FOR 3D INVERSE DYNAMICS ANALYSIS OF SQUAT LIFTING USING A FULL BODY LINKED SEGMENT MODEL

        2020

      • Sensor-based characterization of daily walking: a new paradigm in pre-frailty/frailty assessment

        2020

      • Low-Rank Representation of Head Impact Kinematics: A Data-Driven Emulator

        2020

      • Can motor function uncertainty and local instability within upper-extremity dual-tasking predict amnestic mild cognitive impairment and early-stage Alzheimer's disease?

        2020

      • Sensor-Based Upper-Extremity Frailty Assessment for the Vascular Surgery Risk Stratification

        2020

      • Comparison of wearable sensor to traditional methods in functional outcome measures: A systematic review

        2020

      • Frailty and heart response to physical activity

        2020

      • Between-day repeatability of sensor-based in-home gait assessment among older adults: assessing the effect of frailty

        2020

      • Upper-extremity function prospectively predicts adverse discharge and all-cause COPD readmissions: a pilot study

        2019

      • P1-593: ASSESSING THE ASSOCIATION OF FEAR OF FALLING AND DEPRESSION IN OLDER ADULTS

        2019

      • Abstract P258: Novel Dual-task Balance Challenge to Prevent Falls in Older Adults With Cardiovascular Disease Risk Factors

        2019

      • FRAILTY ASSESSMENT BASED ON THE QUALITY OF DAILY WALKING

        2019

      • A Novel Dual-Task Balance Challenge to Prevent Falls in Older Adults: A Randomized Pilot Study

        2019

      • Screening older adults for amnestic mild cognitive impairment and early-stage Alzheimer's disease using upper-extremity dual-tasking

        2019

      • The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty

        2019

      • The association between motor capacity and mobility performance: frailty as a moderator

        2019

      • P2-591: THE EFFECT OF INTENSITY AND DURATION OF PHYSICAL ACTIVITY ON COGNITION

        2019

      • ASSESSMENT OF DUAL-TASK MOTOR FUNCTION DETERIORATION FOR DETECTING COGNITIVE IMPAIRMENT

        2018

      • Proprioceptive impairments in high fall risk older adults: the effect of mechanical calf vibration on postural balance

        2018

      • Mo1629-Frailty Predicts Colonoscopy Outcomes in Patients Undergoing Screening

        2018

      • CORRELATIONS BETWEEN REY AUDITORY VERBAL LEARNING TEST (AVLT) AND UPPER EXTREMITY DUAL TASK FUNCTION IN DETECTING COGNITIVE IMPAIRMENT

        2018

      • ASSESSING COGNITION USING DUAL-TASK MOTOR FUNCTION: THE INFLUENCE OF COGNITIVE TASK TYPE

        2018

      • Frailty assessment predicts acute outcomes in patients undergoing screening colonoscopy

        2018

      • The influence of mechanical vibration on local and central balance control

        2018

      • Low intensity vibration of ankle muscles improves balance in elderly persons at high risk of falling

        2018

      • The effect of static neck flexion on mechanical and neuromuscular behaviors of the cervical spine

        2018

      • Disturbance of neck proprioception and feed-forward motor control following static neck flexion in healthy young adults

        2018

      • ENHANCING A MATTER OF BALANCE FALL INTERVENTION WITH A PILOT DUAL TASK BALANCE CHALLENGE

        2018

      • THE ASSOCIATION OF PHYSICAL ACTIVITY WITH COGNITIVE IMPAIRMENT

        2018

      • Frailty and Depression in Older Adults: A Cross Sectional Study

        2018

      • Screening Colonoscopy Adverse Events in Aging Adults: Does Frailty Matter?

        2018

      • The Effect of Pain Relief on Daily Physical Activity: In-Home Objective Physical Activity Assessment in Chronic Low Back Pain Patients after Paravertebral Spinal Block

        2018

      • Frailty Status Predicts Screening Colonoscopy Adverse Events

        2018

      • Frailty assessment in older adults using upper-extremity function: index development

        2017

      • FRAILTY TRANSITIONS AMONG OLDER ADULTS

        2017

      • Frailty Assessment For Predicting Readmission And Discharge Disposition Among Patients Hospitalized For Chronic Obstructive Pulmonary Disease Exacerbation

        2017

      • BALANCE CHANGES ASSOCIATED WITH SIX-MONTH FRAILTY STATUS CHANGES

        2017

      • Upper-Extremity Function Predicts Adverse Health Outcomes among Older Adults Hospitalized for Ground-Level Falls

        2017

      • Assessing upper-extremity motion: An innovative method to quantify functional capacity in patients with chronic obstructive pulmonary disease

        2017

      • Frailty and age may not Adequately Predict Colonoscopy Outcomes in Adults

        2017

      • Heart rate asymmetry in response to colored light

        2017

      • A103 COPD: DISEASE PROGRESSION AND PROGNOSIS: Frailty Assessment For Predicting Readmission And Discharge Disposition Among Patients Hospitalized For Chronic Obstructive Pulmonary Disease Exacerbation

        2017

      • Postural Transitions during Activities of Daily Living Could Identify Frailty Status: Application of Wearable Technology to Identify Frailty during Unsupervised Condition

        2017

      • Upper-Extremity Dual-Task Function: An Innovative Method to Assess Cognitive Impairment in Older Adults

        2016

      • Paravertebral spinal injection for the treatment of patients with degenerative facet osteoarthropathy: Evidence of motor performance improvements based on objective assessments

        2016

      • Motion Sensors Estimated Upper Extremity Frailty Score: A Practical Method to Identify 30-Day Recurrent Fall and Hospital Readmission in Elderly Trauma Patients

        2016

      • Front Back Matter

        2016

      • A Pilot Clinical Trial to Objectively Assess the Efficacy of Electroacupuncture on Gait in Patients with Parkinson's Disease Using Body Worn Sensors

        2016

      • Contents Vol. 62, 2016

        2016

      • Postural Balance Parameters as Objective Surgical Assessments in Low Back Disorders: A Systematic Review

        2016

      • student Presentation Upper-extremity function testing as an alternative to gait performance measures in older adults: d68

        2016

      • Is there any association between ventricular ectopy and falls in community-dwelling older adults?

        2016

      • Motor Performance and Physical Activity as Predictors of Prospective Falls in Community-Dwelling Older Adults by Frailty Level: Application of Wearable Technology

        2016

      • Gait and balance assessments as early indicators of frailty in patients with known peripheral artery disease

        2016

      • Changes in spatiotemporal gait patterns during flat ground walking and obstacle crossing 1 year after bariatric surgery

        2016

      • Alterations in gait parameters with peripheral artery disease: The importance of pre-frailty as a confounding variable

        2016

      • Assessing Upper-Extremity Motion: An Innovative, Objective Method to Identify Frailty in Older Bed-Bound Trauma Patients

        2016

      • Association between cognitive impairment and upper-extremity performance under a dual task condition

        2016

      • Impact of mental stress on heart rate asymmetry

        2015

      • The influence of diabetic peripheral neuropathy on local postural muscle and central sensory feedback balance control

        2015

      • Can paravertebral facet injection improve motor performance in patients with degenerative facet osteoarthropathy?

        2015

      • Motor Performance Assessment in Parkinson's Disease: Association between Objective In-Clinic, Objective In-Home, and Subjective/Semi-Objective Measures

        2015

      • Regulation of Cardiac Autonomic Nervous System Control across Frailty Statuses: A Systematic Review

        2015

      • Gait behaviors as an objective surgical outcome in low back disorders: A systematic review

        2015

      • Does integrative medicine enhance balance in aging adults? Proof of concept for the benefit of electroacupuncture therapy in Parkinson's disease

        2015

      • Influences of frailty syndrome on open-loop and closed-loop postural control strategy

        2015

      • Assessing Upper Extremity Motion: An Innovative Method to Identify Frailty

        2015

      • Objective Assessment of Electro-acupuncture Benefit for Improving Balance and Gait in Patients with Parkinson’s Disease (P3.074)

        2014

      • Motorized mobility scooters: the use of training/intervention and technology for improving driving skills in aging adults - a mini-review

        2014

      • Effectiveness of Electro-Acupuncture Therapy in Improving Gait and Balance in People with Parkinson's Disease

        2014

      • a Novel Upper Limb Kinematics Assessment Using Wearable Sensors to Identify Frailty: b88

        2014

      • Trunk Tissue Creep Can Increase Spine Forces During a Subsequent Lifting Task

        2014

      • 5 Trunk Tissue Creep Can Increase Spine Forces During a Subsequent Lifting Task: An Investigation of the Effects of Trunk Flexion on Spine Mechanical Behaviors Using Experimental and Viscoelastic Modeling Approaches

        2013

      • Disturbance and recovery of trunk mechanical and neuromuscular behaviors following repeated static trunk flexion: influences of duration and duty cycle on creep-induced effects

        2013

      • Disturbance and recovery of trunk mechanical and neuromuscular behaviours following repetitive lifting: influences of flexion angle and lift rate on creep-induced effects

        2013

      • PROLONGED TRUNK FLEXION CAN INCREASE SPINE LOADS DURING A SUBSEQUENT LIFTING TASK: AN INVESTIGATION OF THE EFFECTS OF TRUNK FLEXION DURATION AND ANGLE USING A SAGITTALLY SYMMETRIC, VISCOELASTIC SPINE MODEL

        2013

      • Evidence for an exposure-response relationship between trunk flexion and impairments in trunk postural control

        2013

      • Time-dependent assessment of the human lumbar spine in response to flexion exposures: in vivo measurement and modeling

        2013

      • Creep deformation of the human trunk in response to prolonged and repetitive flexion: measuring and modeling the effect of external moment and flexion rate

        2013

      • Load-Relaxation Properties of the Human Trunk in Response to Prolonged Flexion

        2012

      • Load-relaxation properties of the human trunk in response to prolonged flexion: measuring and modeling the effect of flexion angle

        2012

      • Disturbance and recovery of trunk mechanical and neuromuscular behaviours following prolonged trunk flexion: influences of duration and external load on creep-induced effects

        2011

      • Disturbance and recovery of trunk stiffness and reflexive muscle responses following prolonged trunk flexion: influences of flexion angle and duration

        2011

      • Generating a finite element model of the cervical spine: Estimating muscle forces and internal loads

        2011

      • Disturbances to intrinsic stiffness and reflexive muscle responses following prolonged trunk flexion

        2010

      • Generating exact finite element model of lower cervical spine (C3-C7)

        2008

      • Generating finite element model of the cervical spine, investigating the role of the muscle forces in flexion/extension

        2008

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