Muscle practice A&P1

Front

What is the Deltoid muscle?

Back

The Deltoid is a large, triangular muscle covering the shoulder joint, responsible for arm abduction, flexion, and extension.

Front

What is the Biceps Femoris muscle?

Back

The Biceps Femoris is one of the hamstring muscles located at the back of the thigh, involved in knee flexion and hip extension.

Front

What is the Triceps Brachii muscle?

Back

The Triceps Brachii is a large muscle on the back of the upper arm, responsible for elbow extension.

Front

What is the Orbicularis Oris muscle?

Back

The Orbicularis Oris is a circular muscle around the mouth, responsible for movements such as closing and puckering the lips.

Front

What is the Diaphragm muscle?

Back

The Diaphragm is a dome-shaped muscle that separates the thoracic cavity from the abdominal cavity, playing a crucial role in respiration.

Front

What is the function of the Intercostal muscles?

Back

The Intercostal muscles are located between the ribs and assist in the expansion and contraction of the thoracic cavity during breathing.

Front

What is the Iliopsoas muscle?

Back

The Iliopsoas is a major hip flexor muscle composed of the iliacus and psoas major, crucial for walking and running.

Front

What is the role of the Semimembranosus muscle?

Back

The Semimembranosus is one of the hamstring muscles, aiding in knee flexion and hip extension.

Front

What is the Vastus Lateralis muscle?

Back

The Vastus Lateralis is part of the quadriceps group, located on the outer thigh, and is responsible for knee extension.

Front

What is the function of the Masseter muscle?

Back

The Masseter is a powerful muscle involved in chewing, responsible for elevating the mandible.