Physical and Mental demands of performance

Physical and Mental demands of performance

1. Fatigue

   • Extreme tiredness
   • Local muscular fatigue - muscles unable to contract, movement stops
   • Concentration ↓ - mistakes
   • Skill level ↓
   • carry on → injury. have to stop, substitution

2. Stress

   • Physical/mental/emotional adjustment to change
   • Anxiety → mistakes
   • Fear future
   • Nervous → shaking
   • Motivation ↓

3. Injury

   • Correct technique/equipment
   • Internally: performer's fault
     • Overuse
     • Sudden
   • Externally: equipment/opponent
     • Foul play
     • Impact injuries
     • Equipment
     • Accidents

4. Precautions

   • Risk assessment
   • Warm-ups
   • All rules should be clear/followed/enforced

5. Common injuries

   • Concussion→dilated pupils, irregular pulse
   • Fractures→abnormal position, swelling
   • Hypothermia: rapid cooling of body
   • Hyperthermia: rapid heating of body
   • Joint/muscle→RICE
   • Cuts→clean and dress

6. Aerobic respiration

   • glucose + oxygen → energy + carbon dioxide + water
   • Perform long period of time, with oxygen

7. Anaerobic respiration

   • glucose → energy → lactic acid
     • energy source: glycogen
     • warm down
   • Short bursts