Health

Joints, necks, and load. Not medical advice.

Adapted from InGrappling, Health. System Games did not invent this curriculum.

Strength, conditioning, injury prevention, rehabilitation, and longevity. Grounded in evidence, with appropriate medical caveats.

Medical disclaimer: Health content on this site is for educational purposes only. It does not constitute medical advice. Consult a qualified medical professional for any injury or health concern. Injury prevention & prehab

Protecting joints, managing load, and building resilience over a training career.

How grapplers train for strength, explosiveness, and endurance.

Movement quality as both injury prevention and performance.

Returning from common grappling injuries — evidence-based, with medical caveats.

Competition anxiety, training stress, and the psychological side of grappling.

Sleep, nutrition timing, and recovery between hard sessions.

AC joint sprain and separation from shoulder-first landings, posted arms, and sustained shoulder pressure — grading, differentiation, and return to training.

Labrum tears and rotator cuff damage from kimura, americana, and omoplata — distinguishing the mechanisms, recognising the injury, and returning to training safely.

Elbow hyperextension from armbar — understanding the mechanism, the injury timeline, and the tapping culture that prevents it.

Jammed fingers, pulley injuries, skier's thumb, scaphoid fracture, TFCC, and the finger injuries that accumulate over a training career — with taping and return-to-training.

Ankle Injuries in GrapplingAnkle sprains and straight ankle lock injuries — distinguishing the mechanisms, prevention, and management for grapplers.Blast Double Shoulder Injury — the Post-and-Grip MechanismThe shoulder injury profile of failed blast double shots — when the shooter posts a hand to stop the fall while the defender pulls upward.Blood-Flow-Restriction Training for GrapplersAn honest primer on blood-flow-restriction (BFR) training — how light-load work with a restriction cuff builds muscle and strength, why it suits injured and older grapplers, and the safety rules that make it a tool rather than a hazard.Breakfall Mechanics for No-Gi ThrowsHow to fall safely from no-gi throws — the four breakfall types (back, side, front rotational, throwing-arm-trapped), the mechanics of dissipating impact.Cauliflower Ear in GrapplingCauliflower ear — auricular haematoma — causes, prevention with ear guards, drainage decisions, permanent changes, and what responsible gym culture looks…Cervical Spine in Throws — Loading Profiles and Tap ProtocolNeck loading mechanisms specific to being thrown — distinguishing throw-receiver landing from suplex, lateral drop, kani-basami.Concussion and Head Injury in GrapplingConcussion mechanisms in submission grappling, recognising the symptoms, red flags requiring emergency care, and the graded return-to-training protocol.Eating Disorders in Weight-Class SportAnorexia, bulimia, BED, OSFED, ARFID, orthorexia in weight-class grappling — recognising disordered patterns, clinical urgency, coach responsibilities…Elbow Hyperextension in GrapplingElbow hyperextension from armbar — understanding the mechanism, the injury timeline, and the tapping culture that prevents it.Eye Injuries in GrapplingCorneal abrasions, subconjunctival haemorrhage, orbital fracture, retinal detachment, and traumatic hyphaema — how they present, which need emergency…Female Athlete Health in GrapplingRelative energy deficiency in sport (RED-S), menstrual cycle and training, iron and bone health, and the specific health considerations for female…Hand, Wrist, and Finger Injuries in GrapplingHand and wrist injuries in grappling: jammed fingers, skier's thumb, mallet finger, and scaphoid fractures — mechanisms, grading, and recovery.Hip Injuries in GrapplingHip flexor strain, labrum tears, femoroacetabular impingement, groin strain, and the hip injuries that guard-heavy grapplers are most exposed to…Injury Prevention and PrehabilitationThe most common injury patterns in grappling and a systematic approach to reducing risk before injuries occur.Knee Ligament Injuries in GrapplingACL and PCL injuries from heel hooks, kneebars, and reaping — mechanism, severity, prevention, and the honest rehabilitation timeline.MCL Sprain in GrapplingMedial collateral ligament sprains from inside heel hooks and knee exposure errors — why they are frequently undertreated and how to manage them.Longevity in the SportHow to train for decades, not just years — the structural, habitual, and cultural factors that determine how long a grappler can continue training.Lower Back Injuries in GrapplingLumbar strain, disc injury, SI joint dysfunction, and the red flags that require emergency care — mechanisms in grappling, return-to-training, and the…Competing in Masters Grappling: Gas Tank, Game, and Weight CutHow to prepare an older body to compete — building a game that survives a bracket on an older gas tank, choosing positions that hold up, and why the weight cut is the first thing a masters competitor should give up.Mental Health and GrapplingCompetition anxiety, training stress, and the psychological pressures of grappling — a health-angle treatment distinct from the social dynamics content.Does Grappling Help Mental Health? The EvidenceAn honest look at the evidence that grappling helps anxiety and depression — what the research actually supports, how large the effect is, the mechanisms, and where the claim is overstated.Mobility and Flexibility for GrapplersThe distinction between mobility and flexibility, and why grapplers need strength through range — not just range.Neck Injuries in GrapplingCervical strain and compression injuries from guillotines, front headlock pressure, and neck cranks — mechanisms, distinguishing disc from soft tissue…Grappling Past 40: Which Positions Stress Older JointsThe position-specific injury mechanics nobody writes — why stacking, leg entanglements, deep inversions, and shoulder locks load an older grappler's tissue hardest, and the concrete adaptation for each.Training While Pregnant and Return to Sport PostpartumWhat the evidence says about grappling during pregnancy, how to modify training each trimester, return-to-sport postpartum, diastasis and pelvic floor…Recovery and Sleep for GrapplersWhy grappling recovery is not just rest, and how sleep is the most important adaptation tool a grappler has.Injury Rehabilitation for GrapplersThe framework principles behind returning to training after injury — biological healing timelines, graded loading, what 'cleared to train' actually…Rib Injuries in GrapplingRib bruising, cartilage damage, and fracture from side control pressure, body triangle, and knee on belly — frequently undertreated, with breathing…AC Joint Injuries in GrapplingAC joint sprain and separation from shoulder-first landings, posted arms, and sustained shoulder pressure — grading, differentiation, and return to training.Shoulder Labrum and Rotator Cuff Injuries in GrapplingLabrum tears and rotator cuff damage from kimura, americana, and omoplata — distinguishing the mechanisms, recognising the injury, and returning to…Skin Infections in GrapplingRingworm, staph, impetigo, and mat herpes — what each is, how transmission works, and the school's duty of care.Sleep and Skill: Why You Get Better OvernightThe underused half of the sleep story for grapplers — not recovery, but learning. Why a skill consolidates while you sleep, how sleep loss blunts reaction time and decisions, and what that means for how you train.Standing Knee Injuries — Throws and ShotsACL, MCL, and meniscus injury mechanisms specific to standing exchanges — distinct from leg-lock knee trauma.Strength and Conditioning for GrapplersWhy generic gym programming fails grapplers, and what a grappling-specific strength and conditioning approach looks like.Supplements and Anti-Doping for GrapplersWhich supplements have evidence, which are a waste of money, and which carry contamination or anti-doping risk — plus how strict liability works in…Weight Management for GrapplersA performance-nutrition approach to body composition — not weight cutting. What healthy, sustainable weight management looks like for a competitive…Youth Athletes in GrapplingGrowth plate injuries, maturation timing, weight-cutting in minors, specialisation versus varied training, and training-load considerations for under-18…