DOMS: Post-Exercise Muscle Inflammation
Muscle soreness (DOMS) appears 24–72h after unusual exertion, especially during the eccentric phase. Mechanisms:
- Sarcomeric micro-lesions → release of myoglobin and intracellular proteins
- Activated muscle NF-κB → COX-2 → PGE2 → nociception (pain)
- Neutrophil/macrophage infiltration → IL-6, TNF-α → muscle edema
- Intracellular calcium → calpain activation → muscle proteolysis
- cortisol-naturel">ginger oxidative stress → muscle ROS → lesion amplification
Mechanisms of Ginger in Muscle Recovery
COX-2/PGE2 inhibition (pain)
6-Gingerol and 8-gingerol inhibit COX-2 in damaged muscle tissue: PGE2 -40–55% → less activation of muscle nociceptors → less perceived pain on palpation and movement. Comparable to ibuprofen for DOMS in some direct studies.
Post-exercise IL-6/TNF-α
Reduced NF-κB in muscle inflammatory cells: plasma IL-6 -30% at 24h post-exercise, TNF-α -25% → less muscle edema → better residual range of motion.
Nrf2 → muscle oxidative protection
Activated Nrf2 → increased SOD2/catalase/glutathione in muscle fibers → neutralized post-exercise ROS → less secondary membrane damage → accelerated recovery.
Clinical studies on DOMS
| Study | Protocol | Main Result |
|---|---|---|
| Black 2010 (RCT) | 2g ginger/day, eccentric arm exercise | DOMS -25% at 24h, -23% at 48h |
| Hoseinzadeh 2015 (RCT) | 3g/day, resistance exercise | CRP -42%, strength recovered +18% at 48h |
| Meta-analysis Matsumura 2015 | 5 RCTs, 282 subjects | Muscle pain -25%, accelerated recovery |
| Nafiseh 2013 (RCT) | 1g/day before marathon | Post-race CRP -35%, IL-6 -28% |
Pre/Post-Workout Protocol
| Timing | INTI Dose | Objective |
|---|---|---|
| Morning (D-1 to D) | 1 INTI shot | Pre-loading anti-inflammatory-science-utilisation">anti-inflammatory ginger |
| Post-workout (30–60 min) | 1 INTI shot | Initial PGE2/IL-6 reduction |
| D+1 (recovery) | 1 INTI shot in the morning | Reduce DOMS peak (24h) |
| D+2 | 1 INTI shot in the morning | Reduce late DOMS (48h) |
| Daily use | 1 shot/day | Reduced baseline inflammation, improved recovery |
Ginger vs. Ibuprofen for DOMS
| Criterion | Ginger (INTI) | Ibuprofen 400mg |
|---|---|---|
| DOMS Reduction | -25–40% | -30–45% |
| Gastric mucosa | ✅ Protects (COX-1 spared) | ❌ Irritant (COX-1 inhibited) |
| Muscle protein synthesis | ✅ No negative impact | ⚠️ May reduce MPS at repeated doses |
| Antioxidant | ✅ Nrf2 active | ❌ No |
| Long-term daily use | ✅ Safe | ⚠️ Renal/gastro risk |
❓ FAQ — Ginger and Muscle Recovery
Does ginger also reduce leg soreness after a run?
Yes — studies include running, cycling, and resistance exercises. Hamstring and quadriceps DOMS are the most studied.
Does ginger slow muscle adaptation (like NSAIDs)?
Unlike classic NSAIDs which can inhibit muscle protein synthesis by blocking prostaglandins necessary for hypertrophy, ginger selectively targets COX-2 without blocking COX-1. Long-term muscle adaptation is preserved.
Can ginger be taken before training for performance?
Yes — pre-loading (1g/day for the previous 5–7 days) shows a greater reduction in DOMS than acute post-exercise intake alone.
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