Prescribe Sub-Symptom Exercise for Adolescent Concussion.
PPCSexRx
Prescribe Sub-Symptom Exercise for Adolescent Concussion
Clinical decision support R package for sub-symptom threshold aerobic exercise (SSTAE) in adolescents with persistent post-concussion symptoms (PPCS). Implements an evidence-based protocol from Li (2026), winner of the 2026 NATA Foundation Best Summary Evidence Research Award.
GRADE: LOW certainty | Conditional recommendation FOR
For licensed clinicians only. Not a substitute for clinical judgement.
Evidence synthesis:OSF 10.17605/osf.io/kvuf6
Project site:guanglab.org
Features
| Function | Purpose |
|---|---|
screen_ppcs() | Eligibility and safety screening |
prescribe_ppcs() | BCTT-guided (80% HRST) or age-predicted prescription |
track_progress() | Session log, HR progression, stop-if-worsen rules |
Installation
install.packages("PPCSexRx")
Requirements: R ≥ 4.0
Quick start
library(PPCSexRx)
screen_ppcs(age = 16, days_post_injury = 35)
rx <- prescribe_ppcs(age = 16, days_post_injury = 35, hrst = 165)
print(rx)
log <- NULL
tr <- track_progress(log, pcss = 30, duration_min = 20, achieved_hr = 120, rx)
See vignette("PPCSexRx") after installation.
Citation
Primary evidence synthesis:
Li G (2026). Sub-symptom Threshold Aerobic Exercise for Adolescents With PPCS: A Critically Appraised Topic. Winner, 2026 NATA Foundation Best Summary Evidence Research Award. https://doi.org/10.17605/osf.io/kvuf6
License
MIT — see LICENSE.
Author
Guang Li — [email protected]
PhD Student, Idaho State University · Guang Lab
ORCID 0009-0004-2807-9029