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- W4387053043 abstract "Arthritis is a common and debilitating disease and is associated with an increased fall risk. The location of the arthritis within the lower extremity (hip, knee, ankle) and its relationship to fall risk has not been previously studied. PURPOSE: To determine the impact that the limb and affected lower extremity joint have on fall risk as measured by the margin of stability (MOS). METHODS: There were 110 participants, including healthy controls (HC; n = 30), ankle arthritis (AA; n = 30), knee arthritis (KA; n = 20) and hip arthritis (HA; n = 30) patients enrolled in a study. Institutional Review Board approval was obtained, and all participants signed informed consent. Participants walked approximately 6 meters at a self-selected pace. MOS was calculated in the foot coordinate system in the anterior/posterior (AP) and medial/lateral (ML) directions at heel strike. A mixed effects model with gait speed as a factor in the model was used to examine the effect of group (HC, AA, KA, HA) and limb (Non-Surgical, Surgical) on AP and ML MOS. RESULTS: HC had the fastest gait speed (1.40 ± 0.24 m/s; p < 0.001) when compared to AA (0.85 ± 0.24 m/s), KA (0.94 ± 0.22 m/s) and HA (1.05 ± 0.22 m/s). HA participants had a greater gait speed compared to AA (p = 0.004). AP MOS (Figure 1a) was greater in the surgical limb compared to the non-surgical limb for AA (p < 0.001) and HA (p < 0.001). AP MOS was smaller in HC compared to AA, KA, and HA, regardless of limb (p < 0.030). AP MOS was similar between AA, KA, and HA for the non-surgical limb (p > 0.194) and the surgical limb (p > 0.096). ML MOS (Figure 1b) was greater in the surgical compared to non-surgical limb (p = 0.003). ML MOS was smaller in KA participants compared to all other groups (p < 0.001). CONCLUSIONS: Our results demonstrate stability during gait varies between limbs in arthritis patients, with a more conservative pattern for the surgical limb and suggest patients with KA may be at an increased risk of falls with a smaller ML MOS." @default.
- W4387053043 created "2023-09-27" @default.
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- W4387053043 date "2023-09-01" @default.
- W4387053043 modified "2023-09-27" @default.
- W4387053043 title "Surgical Limb Margin Of Stability Is Different Based On The Affected Lower Limb Joint" @default.
- W4387053043 doi "https://doi.org/10.1249/01.mss.0000988964.38465.18" @default.
- W4387053043 hasPublicationYear "2023" @default.
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