Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add SkillMedev/health-and-longevity --skill injury-prehabgit clone --depth 1 https://github.com/SkillMedev/health-and-longevityWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/skillmedev/health-and-longevity/injury-prehab)<a href="https://agentmods.dev/skills/skillmedev/health-and-longevity/injury-prehab"><img src="https://agentmods.dev/badge/skills/skillmedev/health-and-longevity/injury-prehab/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/skillmedev/health-and-longevity/injury-prehab"><img src="https://agentmods.dev/badge/skills/skillmedev/health-and-longevity/injury-prehab.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00153 | $0.01776 |
| Opus 5 | $0.00077 | $0.00888 |
| Sonnet 5 | $0.00031 | $0.00355 |
| Haiku 4.5 | $0.00015 | $0.00178 |
Grade A, and why
Injury Prehab scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
- **Lower back** (needs stability, not mobility - core endurance is the target): the McGill Big Three - curl-up (lumbar stays neutral; this is not a crunch), side plank, bird dog - 3 sets of 8-10 reps with 10-second hold This is a copy
100% identical to Injury Prehab — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Injury Prehab
Most training injuries announce themselves weeks in advance - a cranky shoulder, a knee that aches on stairs - and the cheap fix is targeted resilience work done before failure, not rehab after it. This skill programs that work for the four zones where lifters and runners actually break: shoulders, knees, lower back, and hips. It prevents; it does not treat. Anything that already hurts belongs with a physiotherapist.
Operating procedure
Step 1: Gather inputs
Collect: the current training program (lifting split, running volume, sport) so prehab can attach to it; training days per week; the zones that feel tight, weak, or historically troublesome; any current pain or past injury (past injury means bias volume to that zone; current pain means stop - see Escalation); available equipment (bands cover 90% of prehab); and minutes willing to spend (default 10-15 before sessions). If the user cannot name a weak zone, treat all four as guesses and start with the balanced circuit.
Step 2: Screen before programming
Sharp pain, radiating pain, numbness or tingling, joint swelling or locking, or night pain disqualify a zone from prehab programming - those are physio referrals, not exercise-selection problems. Prehab loads are light, but loading an undiagnosed injury still makes it worse.
Step 3: Select the zone menus
- Shoulders (the rotator cuff is the most common failure point): band or cable external rotation 3×15 at light load, face pulls 3×15-20, YTW raises 2×10-12, plus serratus anterior work (wall slides, scapular push-up plus) to protect mechanics under load. Run 2-3 days per week, ideally before pressing sessions. Structural rule: keep pulling volume equal to or greater than pressing volume across the week - chronic pressing dominance is how impingement develops.
- Knees (most knee trouble originates in weak glutes and hips, not the knee): glute bridges or hip thrusts 3×15-20, lateral band walks 2×15 per side, terminal knee extensions with a band 3×15 per side; Spanish squats or sissy squats at slow tempo for the VMO; single-leg work (split squats, step-ups) to expose and correct side-to-side asymmetry - a rep or load gap above ~10% between sides is a flag to train the weak side first.
- Lower back (needs stability, not mobility - core endurance is the target): the McGill Big Three - curl-up (lumbar stays neutral; this is not a crunch), side plank, bird dog - 3 sets of 8-10 reps with 10-second holds, progressing to timed sets. Pair with hip flexor mobility (couch stretch, 90/90) because tight hip flexors load the lumbar spine directly. Rule: no heavy spinal flexion under fatigue.
- Hips (need both strength and range): Copenhagen plank for adductors, banded clamshells, single-leg RDL; mobility via 90/90 (internal and external rotation), deep squat holds with thoracic rotation, and hip flexor stretch with a posterior pelvic tilt. Five minutes daily on hips has outsized returns for lower-body longevity.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 76 lines · 0 tokens per session scan A 56ceff4185da
Injury Prehab is a skill published in the GitHub repository SkillMedev/health-and-longevity (1 stars, last pushed 2mo ago), licensed MIT. It adds 153 tokens to every session and 1,776 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 100% identical to Injury Prehab, differing in 0 lines, and is treated as a copy.
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