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Asymmetric Walking Protocol for Optimal Post-ACL Reconstruction Rehabilitation

Award Number: K01AR079043
ORGANIZATION: NATIONAL INSTITUTE OF ARTHRITIS & MUSCULOSKELETAL & SKIN DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP
PERIOD OF PERFORMANCE START DATE: 09/01/2022
PERIOD OF PERFORMANCE END DATE: 07/31/2027

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Asymmetric Walking Protocol for Optimal Post-ACL Reconstruction Rehabilitation - Project Abstract The primary goal of the proposed work is to provide the PI with advanced biomedical research training, outstanding mentorship, and protected time to become a leading independent researcher in post-anterior cruciate ligament reconstruction (ACLR) rehabilitation. A significant consequence of the approximately 250,000 anterior cruciate ligament injuries that occur annually in the United States is that unresolved neuromuscular impairments often lead to the development of detrimental knee osteoarthritis and other debilitating comorbidities. Despite extensive rehabilitation, protracted deficits in gait mechanics remain and directly contribute to detrimental knee loading. Yet, a promising finding from stroke research is that an asymmetric walking protocol can disrupt maladaptive gait mechanics and lead to the adoption of new, healthy gait patterns. While the success of the asymmetric protocol in correcting adverse gait patterns is often assessed by the magnitude of the between-limb gait speed perturbation, this novel intervention to our knowledge has never been employed in post-ACLR patients. Thus, I will employ experimental gait analysis, computational modeling, biosignal processing, and machine learning to restore healthy post-ACLR gait mechanics and reduce knee loading as outlined by the following aims: Aim 1. Evaluate the effectiveness of asymmetric walking protocol gait perturbation magnitudes in restoring healthy gait in post-ACLR individuals. Aim 2. Develop patient-specific models to evaluate the impact asymmetric walking protocol gait perturbation magnitude has on reducing detrimental knee loading in post-ACLR individuals. Aim 3. Generate personalized data-driven clinical algorithm to rapidly and non-invasively predict knee loads in a clinical setting. The results of this research will yield new therapeutic interventions and treatment guidance to improve post- ACLR rehabilitation outcomes. The successful execution of the proposed work will involve a strong team of interdisciplinary researchers with skills in signal processing, machine learning, medicine, biomedical engineering, computational modelling, and physical therapy. The PI has assembled a dynamic team with a superb reputation for mentoring others and they will provide her with research guidance in addition to career and professional development direction and support. This mentorship combined with strong institutional support, state-of-the-art resources, and facilities, and dedicated protected time will allow her to successfully perform the research and training activities outlined in her K01 Mentored Research Scientist Development Award.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $117,810 )
2025	2025	UNIVERSITY OF CONNECTICUT	438 WHITNEY RD EXTENSION UNIT 1133	STORRS	CT	06269	CAPITOL	USA	Arthritis, Musculoskeletal and Skin Diseases Research	001	4	8/18/2025	NON-COMPETING CONTINUATION	$117,810
2025	2024	UNIVERSITY OF CONNECTICUT	438 WHITNEY RD EXTENSION UNIT 1133	STORRS	CT	06269	CAPITOL	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	3	12/12/2024	NON-COMPETING CONTINUATION	$0
														Subtotal = $117,810

Issue Date FY: 2024 ( Subtotal = $122,670 )
2024	2024	UNIVERSITY OF CONNECTICUT	438 WHITNEY RD EXTENSION UNIT 1133	STORRS	CT	06269	CAPITOL	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	3	8/7/2024	NON-COMPETING CONTINUATION	$122,670
														Subtotal = $122,670

Issue Date FY: 2023 ( Subtotal = $123,480 )
2023	2023	UNIVERSITY OF CONNECTICUT	438 WHITNEY RD EXTENSION UNIT 1133	STORRS	CT	06269	CAPITOL	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	2	8/17/2023	NON-COMPETING CONTINUATION	$123,480
														Subtotal = $123,480

Issue Date FY: 2022 ( Subtotal = $124,020 )
2022	2022	UNIVERSITY OF CONNECTICUT	438 WHITNEY RD EXTENSION UNIT 1133	STORRS	CT	06269	CAPITOL	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	1	8/31/2022	NEW	$124,020
														Subtotal = $124,020

Grand Total All Awards = $487,980

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Asymmetric Walking Protocol for Optimal Post-ACL Reconstruction Rehabilitation

Award Number: K01AR079043

ORGANIZATION: NATIONAL INSTITUTE OF ARTHRITIS & MUSCULOSKELETAL & SKIN DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP

PERIOD OF PERFORMANCE START DATE: 09/01/2022

PERIOD OF PERFORMANCE END DATE: 07/31/2027

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