Medical Terms Chapter 4: Muscle Movements

Study Notes

Muscle Movement Terms

Abduction: Movement that takes a limb away from the body's midline, crucial for actions like lifting arms sideways.
Adduction: Movement that brings a limb closer to the midline, important for actions like crossing arms or legs.
Flexion: The process of bending a limb, decreasing the angle between two body parts, such as bending the elbow.
Extension: The act of straightening a limb, increasing the angle between body parts, like straightening the elbow.
Dorsiflexion: Bending the foot backwards towards the shin, important for walking and balancing.
Plantar Flexion: Pointing the foot downward, which is significant for actions like standing on tiptoes or pushing off during walking.
Eversion: The movement where the sole of the foot turns outward, relevant for maintaining balance on uneven surfaces.
Inversion: The movement where the sole of the foot turns inward, often involved in stability during physical activities.
Pronation: The action of turning the foot or hand downwards or backwards, essential for certain movements like throwing.
Supination: The act of turning the foot or hand upwards, used in actions such as holding a bowl of soup.
Elevation: Lifting a body part, such as shrugging shoulders, important for various arm movements.
Depression: Lowering a body part, like relaxing shoulders, which aids in restoring posture.
Circumduction: Circular movement at a joint, resulting in a cone-like motion, such as moving the arm in a circular path.
Opposition: The unique movement of the thumb moving away from the palm, allowing for gripping and grasping objects.
Rotation: The turning of a body part around its central axis, such as rotating the head from side to side.

Description

This quiz focuses on key medical terms related to muscle flexion and contractions. Each flashcard presents a term along with its definition, helping students understand essential concepts in human anatomy and movement. Perfect for medical students and healthcare professionals alike!