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PLoS One. 2015 Jun 15;10(6):e0128809. doi: 10.1371/journal.pone.0128809. eCollection 2015.

Feasibility of Using Low-Cost Motion Capture for Automated Screening of Shoulder Motion Limitation after Breast Cancer Surgery.

Author information

1
Division of Physical Therapy, West Virginia University, Morgantown, West Virginia, United States of America.

Abstract

OBJECTIVE:

To determine if a low-cost, automated motion analysis system using Microsoft Kinect could accurately measure shoulder motion and detect motion impairments in women following breast cancer surgery.

DESIGN:

Descriptive study of motion measured via 2 methods.

SETTING:

Academic cancer center oncology clinic.

PARTICIPANTS:

20 women (mean age = 60 yrs) were assessed for active and passive shoulder motions during a routine post-operative clinic visit (mean = 18 days after surgery) following mastectomy (n = 4) or lumpectomy (n = 16) for breast cancer.

INTERVENTIONS:

Participants performed 3 repetitions of active and passive shoulder motions on the side of the breast surgery. Arm motion was recorded using motion capture by Kinect for Windows sensor and on video. Goniometric values were determined from video recordings, while motion capture data were transformed to joint angles using 2 methods (body angle and projection angle).

MAIN OUTCOME MEASURE:

Correlation of motion capture with goniometry and detection of motion limitation.

RESULTS:

Active shoulder motion measured with low-cost motion capture agreed well with goniometry (r = 0.70-0.80), while passive shoulder motion measurements did not correlate well. Using motion capture, it was possible to reliably identify participants whose range of shoulder motion was reduced by 40% or more.

CONCLUSIONS:

Low-cost, automated motion analysis may be acceptable to screen for moderate to severe motion impairments in active shoulder motion. Automatic detection of motion limitation may allow quick screening to be performed in an oncologist's office and trigger timely referrals for rehabilitation.

PMID:
26076031
PMCID:
PMC4468119
DOI:
10.1371/journal.pone.0128809
[Indexed for MEDLINE]
Free PMC Article

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