Muscles, Joints, and Bones of the Human Body

These flashcards cover key concepts related to muscles, joint movements, and bones in the human body as per the lecture notes.

What is the primary function of the deltoid muscle?

The deltoid muscle is responsible for shoulder abduction.

What are the antagonistic muscle pairs mentioned?

Biceps & Triceps, Quadriceps & Hamstrings, Tibialis Anterior & Gastrocnemius, Deltoids & Latissimus Dorsi.

What is flexion in terms of joint movement?

Flexion is the movement that decreases the angle of a joint.

Name the three planes of movement described in the notes.

Flexion/Extension, Abduction/Adduction, Rotation.

Which type of joint is found at the shoulder?

A ball-and-socket joint.

What is the anatomical term for moving a limb away from the midline?

Abduction.

List two bones that make up the shoulder girdle.

Clavicle and Scapula.

What muscle is known as an antagonist to the quadriceps?

Hamstrings.

Name one function of the trapezius muscle.

The trapezius is involved in moving the shoulder blades and supporting the arm.

What are the names of the bones in the lower leg?

Tibia and Fibula.

What is the primary function of the gastrocnemius muscle?

The gastrocnemius muscle is responsible for plantarflexion of the foot.

What is the definition of adduction?

Adduction is the movement toward the midline of the body.

What do we call the imaginary line that divides the body into left and right halves?

Midline.