Test retake

Femur

The thigh bone; the only bone in the thigh and the heaviest and strongest bone in the body.

Patellar Surface

The anterior surface on the distal femur where the patella (kneecap) articulates.

Greater and Lesser Trochanter

Sites on the femur for muscle attachment.

Femoral Slant

The medial slant of the femur that aligns the knees with the body's center of gravity.

Tibia

The shin bone; the larger and stronger of the two leg bones.

Fibula

The thinner leg bone located next to the tibia.

Interosseous Membrane

The connective tissue that connects the tibia and fibula.

Medial Condyle

The part of the tibia that articulates with the distal end of the femur to form the knee joint.

Lateral Condyle

The outer part of the tibia that articulates with the femur.

Patellar Ligament

A ligament that attaches to the tibial tuberosity.

Medial Malleolus

The bulge on the inner ankle, formed by the tibia.

Lateral Malleolus

The outer bulge of the ankle, formed by the fibula.

Tarsals

The seven bones that make up the posterior half of the foot.

Calcaneus

The heel bone, which carries body weight.

Talus

The bone in the foot that articulates with the leg bones.

Metatarsals

The five bones of the foot that connect to the tarsals and phalanges.

Phalanges

Fifteen bones in the toes, with three per toe except for the big toe, which has two.

Ball and Socket Joint

A multiaxial joint that allows for rotational movement.

Hinge Joint

A uniaxial joint that allows for flexion and extension.

Smooth Muscle

Involuntary muscle found in the walls of hollow organs, characterized by no striations.

Striated Muscle

Another term for skeletal muscle, which is voluntary and striated.

Cardiac Muscle

Striated but involuntary muscle found only in the heart.

Tendons

Tissues that attach muscle to bones.

Flexion

Decreases the angle between two bones, bringing them closer together.

Extension

Increases the angle between two bones, the opposite of flexion.

Abduction

Movement of a limb away from the midline of the body.

Adduction

Movement of a limb toward the midline of the body.

Dorsiflexion

Upward movement of the foot.

Plantarflexion

Downward movement of the foot.

Opposition

Thumb movement that brings the thumb to touch the fingertips.

Prime Mover

The muscle primarily responsible for producing a specific movement.

Antagonist

The muscle that opposes the action of the prime mover.

Synergist

Muscles that assist the prime mover in performing an action.

Fixator

Muscles that stabilize joints for efficient movement.

Anabolic Steroids

Synthetic substances related to male sex hormones that can promote muscle growth.

Frontalis

A facial muscle that raises the eyebrows and wrinkles the forehead.

Orbicularis Oculi

Muscle around the eyes responsible for closing the eyelids.

Buccinator

Facial muscle that flattens the cheeks and holds food while chewing.

Masseter

A chewing muscle that elevates the mandible.

Sternocleidomastoid

A two-headed muscle responsible for neck flexion.