'functionally impaired' is correct and usable in written English.
You can use this phrase to refer to someone with a disability which affects their level of functioning in some area. For example, you might say: "She was born without the ability to walk, and is functionally impaired in that regard."
Cd11c-CrePpargfl/fl mice with functionally impaired AMs accumulate apoptotic cells in the bronchoalveolar space.
The subgenual prefrontal cortex is functionally impaired, and its size is reduced by as much as 40%.
Patients are significantly functionally impaired and exhibit very poor active elevation.
Objective To increase fruit, vegetable, and calcium-rich food consumption in community-dwelling, functionally impaired elderly.
Blair, P. A. et al. CD19CD24 hi CD38 hi) B cells exhibit regulatory capacity in healthy individuals but are functionally impaired in systemic Lupus Erythematosus patients.
As a result, meal programs are relied on to provide food to a larger number of sicker and functionally impaired older people.
Keeney, P. M., Xie, J., Capaldi, R. A. & Bennett, J. P. Parkinson's Disease Brain Mitochondrial Complex I Has Oxidatively Damaged Subunits and Is Functionally Impaired and Misassembled.
Blair, P. A. et al. CD19+CD24hiCD38hi B cells exhibit regulatory capacity in healthy individuals but are functionally impaired in systemic lupus erythematosus patients.
As expected, silencing CHC or Cav-1 expression (Fig. 1c) functionally impaired CME and caveolae-mediated endocytosis of fluorescently labelled transferrin or choleratoxin, respectively (Supplementary Fig. S1).
Now come reports that the greasy spoon, for so long the cholesterol-drenched, functionally impaired heart of the British eating experience, is in terminal decline.
Ahmadzadeh, M. et al. Tumor antigen-specific CD8 T cells infiltrating the tumor express high levels of PD-1 and are functionally impaired.
