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Ryan P. Duncan, PT, DPT

Assistant Professor, Physical Therapy
Assistant Professor, Neurology

Specialty Areas

Physical Therapy
Neurology - General

Hospital Affiliations

Barnes-Jewish Hospital

Areas of Clinical Interest

Physical therapy, Parkinson's disease

  • Maps & Directions
  • Education
  • Publication & Research

Maps & Directions

Maps & Directions

Physical Therapy Clinics

4444 Forest Park Avenue
Suite 1210
St. Louis, MO 63108
Phone: (314) 286-1940
Fax: (314) 286-1473

Office Phone: 314-286-1940

Education

Education

BS, Health Science: Maryville University, St. Louis, MO 2007
DPT: Doctor of Physical Therapy: Washington University School of Medicine, St. Louis, MO 2012
Master of Physical Therapy: Maryville University, St. Louis, MO 2008

Publication & Research

Publication & Research

Maximum Step Length Test Performance in People With Parkinson Disease: A Cross-sectional Study.
Duncan RP, McNeely ME, Earhart GM
J Neurol Phys Ther. 2017 Oct; 41(4)215-221. doi: 10.1097/NPT.0000000000000201.

PMID:
    28922312
    [PubMed - in process]
Related citations


Seed dispersal increases local species richness and reduces spatial turnover of tropical tree seedlings.
Wandrag EM, Dunham AE, Duncan RP, Rogers HS
Proc Natl Acad Sci U S A. 2017 Oct 3; 114(40)10689-10694. doi: 10.1073/pnas.1709584114.

PMID:
    28847937
    [PubMed - in process]
Related citations


Comparative effectiveness of dual vs. single-action antidepressants on HIV clinical outcomes in HIV-infected people with depression.
Mills JC, Harman JS, Cook RL, Marlow NM, Harle CA, Duncan RP, Gaynes BN, Pence BW
AIDS. 2017 Nov 28; 31(18)2515-2524. doi: 10.1097/QAD.0000000000001618.

PMID:
    28832409
    [PubMed - in process]
Related citations


Low to moderate relationships between gait and postural responses in Parkinson disease.
Sutter EN, Seidler KJ, Duncan RP, Earhart GM, McNeely ME
J Rehabil Med. 2017 Jun 28; 49(6)505-511. doi: 10.2340/16501977-2238.

PMID:
    28553677
    [PubMed - in process]
Related citations


Comparative effectiveness of dual-action versus single-action antidepressants for the treatment of depression in people living with HIV/AIDS.
Mills JC, Harman JS, Cook RL, Marlow NM, Harle CA, Duncan RP, Bengtson AM, Pence BW
J Affect Disord. 2017 Jun; 215179-186. doi: 10.1016/j.jad.2017.03.042.

PMID:
    28340444
    [PubMed - indexed for MEDLINE]
Related citations


Are the average gait speeds during the 10meter and 6minute walk tests redundant in Parkinson disease?
Duncan RP, Combs-Miller SA, McNeely ME, Leddy AL, Cavanaugh JT, Dibble LE, Ellis TD, Ford MP, Foreman KB, Earhart GM
Gait Posture. 2017 Feb; 52178-182. doi: 10.1016/j.gaitpost.2016.11.033.

PMID:
    27915221
    [PubMed - in process]
Related citations


Feasibility and preliminary efficacy of a telerehabilitation approach to group adapted tango instruction for people with Parkinson disease.
Seidler KJ, Duncan RP, McNeely ME, Hackney ME, Earhart GM
J Telemed Telecare. 2017 Sep; 23(8)740-746. doi: 10.1177/1357633X16668092.

PMID:
    27624469
    [PubMed - in process]
Related citations


Investigation of factors impacting mobility and gait in Parkinson disease.
Christofoletti G, McNeely ME, Campbell MC, Duncan RP, Earhart GM
Hum Mov Sci. 2016 Oct; 49308-14. doi: 10.1016/j.humov.2016.08.007.

PMID:
    27551818
    [PubMed - indexed for MEDLINE]
Related citations


Taxonomic similarity, more than contact opportunity, explains novel plant-pathogen associations between native and alien taxa.
Bufford JL, Hulme PE, Sikes BA, Cooper JA, Johnston PR, Duncan RP
New Phytol. 2016 Nov; 212(3)657-667. doi: 10.1111/nph.14077.

PMID:
    27440585
    [PubMed - in process]
Related citations


Sustainability of school-located influenza vaccination programs in Florida.
Tran CH, Brew J, Johnson N, Ryan KA, Martin B, Cornett C, Caron B, Duncan RP, Small PA Jr, Myers PD, Morris JG Jr
Vaccine. 2016 May 23; 34(24)2737-44. doi: 10.1016/j.vaccine.2016.04.017.

PMID:
    27126875
    [PubMed - indexed for MEDLINE]
Related citations


No difference in the competitive ability of introduced and native Trifolium provenances when grown with soil biota from their introduced and native ranges.
Shelby N, Hulme PE, van der Putten WH, McGinn KJ, Weser C, Duncan RP
AoB Plants. 2016; 8pii: plw016. doi: 10.1093/aobpla/plw016.

PMID:
    26969431
    [PubMed]
Related citations


Salinized rivers: degraded systems or new habitats for salt-tolerant faunas?
Kefford BJ, Buchwalter D, Cañedo-Argüelles M, Davis J, Duncan RP, Hoffmann A, Thompson R
Biol Lett. 2016 Mar; 12(3)20151072. doi: 10.1098/rsbl.2015.1072.

PMID:
    26932680
    [PubMed - indexed for MEDLINE]
Related citations


Gene Family Expansions in Aphids Maintained by Endosymbiotic and Nonsymbiotic Traits.
Duncan RP, Feng H, Nguyen DM, Wilson AC
Genome Biol Evol. 2016 Feb 15; 8(3)753-64. doi: 10.1093/gbe/evw020.

PMID:
    26878871
    [PubMed - indexed for MEDLINE]
Related citations


Differential Effects of Tango Versus Dance for PD in Parkinson Disease.
McNeely ME, Mai MM, Duncan RP, Earhart GM
Front Aging Neurosci. 2015; 7239. doi: 10.3389/fnagi.2015.00239.

PMID:
    26733865
    [PubMed]
Related citations


Two-Year Trajectory of Fall Risk in People With Parkinson Disease: A Latent Class Analysis.
Paul SS, Thackeray A, Duncan RP, Cavanaugh JT, Ellis TD, Earhart GM, Ford MP, Foreman KB, Dibble LE
Arch Phys Med Rehabil. 2016 Mar; 97(3)372-379.e1. doi: 10.1016/j.apmr.2015.10.105.

PMID:
    26606871
    [PubMed - indexed for MEDLINE]
Related citations


A framework for estimating the sensitivity of eDNA surveys.
Furlan EM, Gleeson D, Hardy CM, Duncan RP
Mol Ecol Resour. 2016 May; 16(3)641-54. doi: 10.1111/1755-0998.12483.

PMID:
    26536842
    [PubMed - indexed for MEDLINE]
Related citations


Impacts of dance on non-motor symptoms, participation, and quality of life in Parkinson disease and healthy older adults.
McNeely ME, Duncan RP, Earhart GM
Maturitas. 2015 Dec; 82(4)336-41. doi: 10.1016/j.maturitas.2015.08.002.

PMID:
    26318265
    [PubMed - indexed for MEDLINE]
Related citations


Balance differences in people with Parkinson disease with and without freezing of gait.
Duncan RP, Leddy AL, Cavanaugh JT, Dibble LE, Ellis TD, Ford MP, Foreman KB, Earhart GM
Gait Posture. 2015 Sep; 42(3)306-9. doi: 10.1016/j.gaitpost.2015.06.007.

PMID:
    26141905
    [PubMed - indexed for MEDLINE]
Related citations


Signatures of host/symbiont genome coevolution in insect nutritional endosymbioses.
Wilson AC, Duncan RP
Proc Natl Acad Sci U S A. 2015 Aug 18; 112(33)10255-61. doi: 10.1073/pnas.1423305112.

PMID:
    26039986
    [PubMed - indexed for MEDLINE]
Related citations


External validation of a simple clinical tool used to predict falls in people with Parkinson disease.
Duncan RP, Cavanaugh JT, Earhart GM, Ellis TD, Ford MP, Foreman KB, Leddy AL, Paul SS, Canning CG, Thackeray A, Dibble LE
Parkinsonism Relat Disord. 2015 Aug; 21(8)960-3. doi: 10.1016/j.parkreldis.2015.05.008.

PMID:
    26003412
    [PubMed - indexed for MEDLINE]
Related citations

Areas of Research Interest

Physical impairment in Parkinson's disease, physical impairment in Wolfram syndrome, exercise and dementia