Overview of Human Anatomy and Physiology The human body comprises 206 bones, ~650 muscles, ≈78–80 organs, and an extensive network of blood arteries. Within this organized framework, a complex collaboration of individual cells is present, diligently fulfilling their unique roles to sustain life. In our body’s unique design, there are two fundamental disciplines: physiology, which … Read more
Overview of Human Bone Anatomy Human skeleton anatomy describes the bones inside our body that give us shape and support. The skeleton helps us stand, sit, walk, and move. It also protects important organs like the brain, heart, and lungs. At birth, a human baby has about 270 bones. As we grow, some bones join … Read more
Overview of Brain Anatomy The brain is a part of the control center of your body. It manages everything from your thoughts and emotions to your movements and memories. It also controls functions like breathing, heartbeat, and body temperature, running without you even noticing. Every part of who you are—your personality, reactions, and decisions—starts in … Read more
Overview of Human Spine Anatomy The human spine plays one of the most vital roles in the human body. It supports posture, enables movement, and protects the spinal cord.[1] It also forms the main communication pathway between the brain and the rest of the body, helping the brain control movement, sensation, reflexes, and vital body … Read more
Overview of Leg Anatomy The legs are a part of the lower limbs of the human body, located between the knee and ankle. They play a vital role in supporting body weight and maintaining balance.[1] It also enables movement such as standing, walking, running, climbing, and even complex activities like dancing or jumping.[1] The parts … Read more
Overview of Hand Anatomy The human hand is one of the most important and versatile parts of the upper limb.[1] It is designed for both strength and precision, allowing us to feel, grasp, hold, and move objects with remarkable control.[1] From performing powerful actions like lifting or climbing to delicate tasks such as writing, typing, … Read more
Overview of Arm Anatomy The upper extremity, or arm, is a vital part of the human body that enables us to lift, hold, and move objects.[1] The human arm anatomy consists of three main parts: the upper arm, forearm, and hand. It stretches from the shoulder to the fingers and includes 30 bones in the … Read more
Overview of Cervical Spine Anatomy The cervical spine, also called the neck, is the upper part of your spine.[1] The cervical spine anatomy consists of seven small bones called cervical vertebrae, labeled C1-C7.[1][2] These bones support your head and allow your neck to move.[3][1] The first two cervical vertebrae are special. The first one, C1, … Read more
Do you suffer from lower back pain or lumbago? You’re not alone. Lower back pain is a common issue that can affect anyone, regardless of age, lifestyle, or past injuries.[1] It often develops without warning and is not always linked to a specific cause or risk factor.[2] In many cases, the pain is not serious … Read more
Lower back pain is one of the most common medical problems in the United States.[1] Emerging evidence indicates that women may experience distinct patterns of lower back pain relative to men—particularly those related to the menstrual cycle, hormonal fluctuations, pregnancy, and gynecological conditions.[2] Certain causes of lower back pain are unique to individuals with the … Read more
Overview of Lower Back Pain Treatments Back pain is something many of us will experience at some point in our lives. The good news is that most cases aren’t serious and are often caused by a simple muscle or ligament strain. The main goals of lower back pain treatments are to ease the pain and … Read more
Overview of Lower Back Pain Causes Lower back pain (LBP) is one of the most prevalent and costly musculoskeletal conditions in the United States, ranking as a leading cause of missed workdays, disability, and reduced quality of life. According to the Global Burden of Disease study, LBP affects an estimated 619 million people globally, with … Read more
Overview of Pancreas Anatomy The pancreas is a specialized organ that plays a crucial role in both digestion and hormone regulation.[1] It functions as an exocrine gland by releasing digestive juices and as an endocrine gland by producing essential hormones, such as insulin.[1][2] Pancreas anatomy is divided into four parts, with the uncinate process often … Read more
Overview of Neck Muscle Anatomy The neck muscle anatomy contains several muscles that help move the head in different directions.[1] These muscles are grouped based on their location in the neck: the front (anterior), side (lateral), and back (posterior) areas.[1] Each group of muscles has specific roles depending on where they are and how deep … Read more
Overview of Thyroid Anatomy The thyroid gland is a small, butterfly-shaped organ in the front of the neck.[1] It sits in the middle, just over the windpipe (trachea), and stretches from the C5 to T1 vertebrae in the spine.[1] This gland makes important hormones—thyroid hormones (T3 and T4) and calcitonin.[2] These helps control how the … Read more