It's Quiz Time !

Define 'Flexion'.

• The action of bending a joint.
• The action of contracting a joint.
• The action of extending a joint.
• The action of rotating a joint.

Diagram 1 shows a knee joint. Which of the following tissues joins X to Y?

• Ligament

• Radius

• Tendon

• Ulna

_______________ muscles work in pairs, that is if one muscle contracts, the other relaxes, and vice versa.

What muscles are highlighted red and blue respectively in the picture?

• Red: Triceps

  Blue: Biceps

• Red: Biceps

  Blue: Quads

• Red: Biceps

  Blue: Triceps

• Red: Deltoids

  Blue: Triceps

Diagram 2 shows the structure of a human forearm. What happens to the parts P and Q which cause the arm to be in the position as shown in the diagram?

• Relaxes (P)

  Contracts (Q)

• Contracts (P)

  Relaxes (Q)

• Relaxes (P)

  Relaxes (Q)

• Contracts (P)

  Contracts (Q)

What are the four main muscles that control the walking movement of human leg?

• Biceps femoris

  Quadriceps femoris

  Calf muscle

  Fibula

• Biceps femoris

  Quadriceps femoris

  Plantaris muscle

  Tibialis

• Biceps femoris

  Triceps femoris

  Calf muscle

  Tibialis

• Biceps femoris

  Quadriceps femoris

  Calf muscle

  Tibialis

Diagram 3 shows a bending leg. Which of the following muscle actions will straighten the leg?

• Quadriceps femoris (Contracts)

  Biceps femoris (Contracts)

• Quadriceps femoris (Relaxes)

  Biceps femoris (Relaxes)

• Quadriceps femoris (Contracts)

  Biceps femoris (Relaxes)

• Quadriceps femoris (Relaxes)

  Biceps femoris (Contracts)

The _____________ contracts to lift the heel, whereas the ____________ contracts to lower the heel.

• biceps femoris, quadriceps femoris

• quadriceps femoris, biceps femoris

• tibialis, calf muscle

• calf muscle, tibialis

Which of the following actions will cause injury in human's muscles overtime? (You may select more than one correct answers)

• Skipping warm-up exercises before physical activities

• Increasing the duration or frequency of exercise gradually

• Wearing high heels

• Performing strenuous activities without adequate rest

Choose the correct categories. (You may choose more than one answers)

• Biceps contraction: Pushing a door open

  Triceps contraction: Pulling a door open

• Biceps contraction: Eating

  Triceps contraction: Stretching

• Biceps contraction: Stretching

  Triceps contraction: Pushing a door open

• Biceps contraction: Washing face

  Triceps contraction: Pulling a door open

• Biceps contraction: Opening drawers

  Triceps contraction: Stand still