Muscular Anatomy + Movement

Front

Which muscle allows you to smile?

Back

Zygomaticus: A muscle that elevates the corners of the mouth, enabling smiling.

Front

Identify the muscle responsible for hip abduction.

Back

Gluteus medius: A muscle located on the outer surface of the pelvis, crucial for stabilizing the hip during walking.

Front

What muscle is responsible for flexing the trunk?

Back

Rectus abdominus: A long muscle in the front of the abdomen that helps flex the spine.

Front

What muscle is responsible for shoulder elevation?

Back

Trapezius: A large muscle that extends down the back of the neck and upper spine, responsible for moving the shoulder blades.

Front

What muscle is responsible for elbow flexion?

Back

Biceps brachii: A muscle located in the upper arm that flexes the elbow and rotates the forearm.

Front

What is the primary muscle used in breathing?

Back

Diaphragm: A dome-shaped muscle that separates the chest from the abdomen and plays a key role in respiration.

Front

Which muscle is known as the 'kissing muscle'?

Back

Orbicularis oris: A circular muscle around the mouth that allows for movements such as kissing.

Front

What muscle is involved in extending the knee?

Back

Quadriceps femoris: A group of muscles located at the front of the thigh that extends the knee.

Front

What muscle is responsible for rotating the arm?

Back

Rotator cuff: A group of muscles and their tendons that act to stabilize the shoulder.

Front

Which muscle is the largest in the human body?

Back

Gluteus maximus: The largest muscle in the body, responsible for the movement of the hip and thigh.