Anatomy
This is the largest muscle in the human body.
The gluteus maximus
This fitness component is the ability of the heart and lungs to supply oxygen during exercise.
cardiovascular endurance
This energy system provides immediate energy for activities lasting up to 10 seconds.
the ATP-PC system
This injury occurs when a ligament is overstretched or torn.
a sprain
These five coloured rings represent the Olympic Games
The olympic rings
This bone is the longest in the human body.
Femur
This component is the ability of a muscle to exert maximum force.
muscular strength
This energy system is dominant during a 400 m sprint.
the anaerobic glycolytic (lactic acid) system
The RICE method stands for Rest, Ice, Compression and this.
elevation
This country hosted the 2010 FIFA World Cup.
South Africa
This joint allows movement in all directions, such as the shoulder.
ball-and-socket joint
This component is the range of motion around a joint.
flexibility
This energy system is mainly used during a marathon.
the aerobic system
A strain affects this type of tissue.
muscles and tendons
This event combines swimming, cycling and running.
Triathlon
This muscle is primarily responsible for extending the knee
Quadriceps
This fitness component is the ability to change direction quickly while maintaining control
Agility
This by-product causes muscle fatigue during intense anaerobic exercise.
lactic acid (or lactate with hydrogen ions)
This type of injury develops gradually over time rather than suddenly.
An overuse injury
This athlete has won the most Olympic gold medals in history.
Michael Phelps
This tendon connects the calf muscles to the heel bone.
Achilles tendon
This fitness component combines speed and strength to produce explosive movements.
Power
This energy system uses oxygen to produce ATP from carbohydrates and fats.
the aerobic energy system
This injury involves damage to the anterior cruciate ligament in the knee
An ACL tear
This South African athlete won Olympic gold in the women's 800 m at the 2012 and 2016 Olympic Games.
Caster Semenya