Muscular System IGCSE Revision

Which of these muscle types are found in the heart?

• Cardiac muscle

• Smooth muscle

• Skeletal muscle

Which of the following muscle types is under conscious control?

• Cardiac muscle

• Smooth muscle

• Skeletal muscle

Which of these muscle fibre types provides the greatest speed and force of contraction?

• Type I

• Type IIa

• Type IIx

Which of the following performers would need the highest proportion of type I muscle fibres?

• Marathon runner

• 100 m sprinter

• 800 m runner

Which muscle group is responsible for flexion at the knee when a footballer prepares to kick a football?

• Quadriceps

• Gluteus maximus

• Hamstrings

When a player shoots at the goal in netball, the gastrocnemius contracts to produce which movement at the ankle?

• Dorsiflexion

• Plantar flexion

• Extension

Which type of muscle contraction is completed by the triceps during the upwards phase of a press up?

• Isometric

• Concentric

• Eccentric

Which of the following sporting examples would involve isometric contractions of the quadriceps?

• A gymnast landing after a vault

• A sprinter in the "set" position

• A netballer jumping to catch

Which muscle operates as the antagonistic pair in combination with the hip flexors?

• Gluteus maximus

• Hamstrings

• Quadriceps

Which structure connects muscle to bone and allows force to be transmitted from the muscle to move the skeleton?

• Ligament

• Cartilage

• Tendon