articles

First, in this article, I will explain the “metacarpal bone” in detail. The metacarpal bones are the five bones that make up the skeleton of the hand and play an important role in connecting the wrist and fingers. Each metacarpal bone is compatible with different fingers of the hand, and functions together with muscles and tendons to support various movements in everyday life...

First, in this article, I will explain the “quadriceps femoris muscle” in detail. The quadriceps femoris muscle is located at the front of the thigh and is a muscle group necessary for walking, running, etc. The quadriceps femoris is made up of 4 muscles and plays an important role in knee extension, and due to interaction with the femur, daily activities and sports...

First, in this article, I will explain the “ischial bone” in detail. The ischium bone is a bone under the buttocks and plays an important role in supporting body weight when sitting. It is read as “crackling” and is located at the bottom of the pelvis. Other than that, I will explain the characteristics and position of the sciatic bone, and the relationship with surrounding muscle and fat...

First, in this article, I will explain the “pectoralis major muscle” in detail. The pectoralis major muscle is essential for upper limb movement, and is a muscle composed of two parts: the clavicle and thoracic ribs. It is used in many movements in everyday life, and plays a central role in moving the upper arm in particular. Deepen your understanding of the body with this article...

First, in this article, I will explain “intervertebral discs” in detail. The intervertebral disc is located between the spine and acts as a cushion so that the body can move smoothly. However, since it is soft, it is easy to damage, and it often causes problems such as a herniated disc. The intervertebral disc's...

First, in this article, I will explain “joint lips” in detail. The joint lip is an important structure that improves joint stability and smooth movement, and is made of cartilage. It is located in the shoulder and hip joints and is lubricated by synovial fluid in the joint cavity. The functionality and shape of articular lips are animals'...

First, in this article, I will explain the “posterior interosseous nerve” in detail. The posterior interosseous nerve is an important nerve that passes between the fingers and controls skin sensation and extensor muscles. In the case of a hand, it comes out from the radial side of the arm and conveys the space between the fingers. The posterior interosseous nerve is the kanji for “the nerve that controls the sensation between the fingers between the back bones”...

Introduction In this article, I will explain the location and role of the sacral ligament, English expressions, related organizations, trivia, etc. The neck ligament is located at the back of the neck and has an important function of stabilizing the cervical spine, and is involved in preventing cervical spondylosis, etc., and movement in daily life. By learning knowledge about the neck ligament, to the body...

First, in this article, I will explain the “Achilles heel” in detail. The Achilles tendon is a strong, thick tendon that connects to the heel bone and transmits muscle strength around the ankle. The Achilles tendon is involved in foot movements such as walking, running, and jumping, and the heel bone is the largest and strongest bone in the human foot. this...

First, in this article, I will explain “hamstrings” in detail. The hamstrings are a muscle group that has the function of bending the knee, and consists of the medial hamstrings (semitendinosus muscle, semimembranous muscle) and the lateral hamstrings (biceps femoris muscle). Athletes and exercisers often...

First, in this article, I will explain “spinal nerves” in detail. The spinal nerves are part of the body's central nervous system and play a role in transmitting sensory information and motor commands throughout the body. The spinal nerves pass through the spinal cord, connect to peripheral nerves, and pass through holes in the spine. Also, it is related to spinal nerves...