DCS influencing factors checklist
| 1. Sports activity | 1.1. Game rules (contact/no contact) |
| 1.2. Equipment (goals, projectiles, apparel, implements and surfaces) | |
| 1.3. Player exposure | |
| 1.4. Gender propensity (mixed/single sex) | |
| 1.5. Team/individual | |
| 1.6. Popularity (no. of participants, frequency of play) | |
| 1.7. Attitude/behaviour | |
| 1.8. Tactics | |
| 1.9. Temperature and humidity | |
| 2. Sports incident | 2.1. Contact type: human (with or without personal protective equipment) versus:
|
| 2.2. Deliberate (active) or accidental (passive) contact | |
| 2.3. Two or more (striker & target(s)) | |
| 2.4. Constraints (striker & target): free, driven and planted | |
| 2.5. Impact location—segment detail | |
| 3. Loading factors | 3.1. Relative incoming velocity (target and striker) |
| 3.2. Relative surface alignment (target and striker) | |
| 3.3. Specific surface geometry (target and striker) | |
| 3.4. Surface properties (target and striker); external friction, lubrication | |
| 3.5. Effective inertia of striker (mass, moment of inertia and distribution) | |
| 3.6. Striker stiffness (inertial resistance) | |
| 3.7. Degrees of freedom/constraints (pivot friction, moments, secondary inertia) | |
| 4. Load transfer factors | 4.1. Effective inertia of target (mass, moment of inertia and mass distribution) |
| 4.2. Anthropometrics | |
4.3. Material characteristics:
| |
| 4.4. Spatial geometry (physical location of material) | |
| 4.5. Target degrees of freedom (at each of the joints; rotational and translational degrees) | |
| 4.6. Internal friction and lubrication | |
| 4.7. Ground reaction forces | |
| 5. Response phenomena | 5.1. Impact duration |
| 5.2. Tissue displacement | |
| 5.3. Segment velocity (target and striker) | |
| 5.4. Joint displacement | |
| 5.5. Acceleration | |
| 5.6. Shock | |
| 5.7. Vibration | |
| 5.8. Physiological factors (eg, muscle tension, tendon reflex, localised pressure change) | |
| 5.9. Temperature change | |
| 6. Overload thresholds exceeded? | 6.1. Compressive stresses and strains |
| 6.2. Tensile stresses and strains | |
| 6.3. Shear stresses and strains | |
| 6.4. Cyclic fatigue | |
| 6.5. Subject specific property variation (eg, age, physical condition, pre-existing damage or deformity) | |
| 6.6. Multiaxial stress (resulting in yield or failure of tissue) | |
| 7. Injury | 7.1. Muscle contusions |
| 7.2. Bone fractures | |
| 7.3. Joint dislocations | |
| 7.4. Lacerations (compression, tearing of body tissue by blunt impact) | |
| 7.5. Blistering (friction, rubbing) | |
| 7.6. Incisions (cutting by sharp implement) | |
| 7.7. Puncture (penetrating with sharp implement) | |
| 7.8. Avulsions (forceful tearing of body tissue) | |
| 7.9. Sprains/strains | |
| 7.10. Nerve entrapment | |
| 7.11. Organ failure | |
| 7.12. Concussion and soft tissue head injuries |
DCS, deterministic contextual sequential.