Skeletal and Muscular System

A bodybuilder performs an exercise where he holds a dumbbell and brings it closer to his shoulder. In this exercise, what happens to the biceps and the triceps of the bodybuilder?

• The biceps contract while the triceps extend.

• The biceps extend while the triceps contract.

• Both the biceps and triceps contract.

• The biceps contract while the triceps are not involved in the exercise.

Which is the incorrect label for the bones on the arm?

• D - fibula

• C - radius

• B - humerus

• A - scapula

In a futsal match, Yusuf got tackled and fractured the bone on his shin which is in front of his lower leg. The bone that was fractured is also called... .

• tibia

• fibula

• femur

• humerus

The following are functions of the bones in our body EXCEPT...

• The bones transmit signals from the brain to other parts of the body.

• The bones act a structure to support our body.

• Some bones protect vital organs in our body.

• Bones are attached with muscles to enable us to move around.

The image shows the synovial joint of the elbow. What type of synovial joint is it?

• hinge joint

• ball-and-socket joint

• pivot joint

• condyloid joint

An old lady has pain on her joints whenever she moves. The doctor advised to have a liquid injected into her joints to lubricate them. What is likely the problem in her joints?

• She lacks synovial fluid.

• She lacks cartilage.

• The bones on her joints are brittle.

• She has tendonitis.

While Rasyid was having a taekwondo spar, his partner kicked his chest. A bone at the middle of Rasyid's chest started to hurt. Which bone is most likely hurt?

• sternum

• scapula

• clavicle

• pelvis

A runner has inflammation on his Achilles' tendon or also known as tendonitis. Identify the tendon in the image below and define its function.

• B. The tendon is a connective tissue that connects the muscle to the bone.

• C. The tendon is a connective tissue that connects a bone to another bone.

• C. The tendon is a connective tissue that connects the muscle to the bone.

• A. The tendon can contract or extend so the bones attached to it can move.