What is the name of the arm parts?
The human arm is divided into two main regions, the portion from the elbow to the wrist known as the forearm, and the segment from the shoulder to the elbow referred to as the arm.
Which is hand and arm?
A hand is the part below the wrist with four fingers and a thumb in human anatomy. It is separated by the wrist from the forearm. An arm is the part that extends from the wrist to the shoulders. It is divided into the forearm and the upper arm separated by the elbow.
What is arm and forearm?
The term forearm is used in anatomy to distinguish it from the arm, a word which is most often used to describe the entire appendage of the upper limb, but which in anatomy, technically, means only the region of the upper arm, whereas the lower "arm" is called the forearm.
Which are the three part of the arm?
The upper extremity or arm is a functional unit of the upper body. It consists of three sections, the upper arm, forearm, and hand. It extends from the shoulder joint to the fingers and contains 30 bones.
What is the upper arm?
Each of your arms is composed of your upper arm and forearm. Your upper arm extends from your shoulder to your elbow. Your forearm runs from your elbow to your wrist. Before learning about the different muscles, it’s important to understand the four major types of movement they’re involved in: Flexion.
Which muscle is located in the forearm?
Brachialis. This muscle lies underneath your biceps. It acts as a bridge between your humerus and ulna, one of the main bones of your forearm. It’s involved with the flexing of your forearm. Coracobrachialis. This muscle is located near your shoulder. It allows adduction of your upper arm and flexion of your shoulder.
What muscle is located behind the humerus?
The posterior compartment is located behind your humerus and consists of two muscles: Triceps brachii. This muscle, usually referred to as your triceps, runs along your humerus and allows for the flexion and extension of your forearm. It also helps to stabilize your shoulder joint. Anconeus.
What causes pain in the upper arm?
Shoulder injuries. Several of the muscles in your upper arm are connected to your shoulder. That means pain from a shoulder injury, such as a torn rotator cuff, often radiates down your arm.
How to keep your arm muscles healthy?
Follow the tips below to help keep your arm muscles healthy and avoid injury: Exercise. Try to get at least 30 minutes of exercise most days of the week. To avoid injuries, make sure you begin by gently stretching. To build more muscle, gradually increase the frequency and intensity of your exercise.
What muscle is used to extend the elbow?
It also helps to stabilize your shoulder joint. Anconeus. This is a small, triangular muscle that helps to extend your elbow and rotate your forearm. It’s sometimes considered to be an extension of your triceps.
Which muscle is located at the front of the shoulder?
The muscles of the anterior compartment include: Biceps brachii. Often referred to as your biceps, this muscle contains two heads that start at the front and back of your shoulder before joining together at your elbow. The end near your elbow flex the forearm, bringing it toward your upper arm. The two heads near your shoulder help with flexion ...
What are the parts of the arm?
1. Bones of the Arm. Arm bone is divided into parts. The upper arm, forearm, wrist, and the hand. For this article, we will focus on the upper arm and the forearm. Wrist and hand have separate anatomical characteristics that can be discussed separately.
What are the parts of the arm that connect each bone in the upper arm?
Joints are parts of the arm that connect each bone in the upper arm. The sternoclavicular joint connects the clavicle and breastbone or sternum. The glenohumeral joint connects the scapula and the humerus. Acromioclavicular joint connects the scapula and the clavicle. There is also an elbow joint. This part is the one connecting ...
What are the deep layers of the arm?
The deep layer is composed of Supinator, Abductor pollicis longus, Extensor pollicis brevis, Extensor pollicis longus, and Extensor indices. Also responsible in the adduction, abduction, and extension of the wrist and fingers. 3. Nerves of the Arm. The arm is composed of three major nerves.
What is the long bone that connects the scapula and the elbow?
It is also attached to the torso. What it does is it helps the upper part of the arm to connect with the rest of the bones in the body. Humerus . The humerus is the long bone of the upper arm. This connects the scapula and the elbow joint. Like the scapula, muscles and ligaments are surrounding the humerus. Joints.
What is the difference between the forearm and the ulna?
These bones are positioned side to side. The only difference is Radius can move depending on the activity of the hands; while Ulna is stationary. Radius aids in the movement of the elbow, wrist, and hands with the help of the muscles around.
What part of the arm is the shoulder blade?
Upper Arm. The upper arm starts from the shoulder extension to the elbow. The bones that comprise that upper arm are the following: Scapula. This part of the arm is also called the shoulder blade. This is the one responsible in the attachment of the arm to the trunk of the body or the torso.
What is the most used part of the body?
The arm is one of the most used part of the body. Almost all activity that we do has the involvement of the arm. Its parts start from the shoulder extension to the hands. The arm is divided into three major sections; the bones, muscles, nerves. It is also composed of arteries and veins for normal blood flow and so it can function well.
How many bones are there in the arm?
Anatomy of Bones of the Arm. In spite of its extreme flexibility, the arm consists of just three long bones. The following article will cover some information related these bones and their function... In spite of its extreme flexibility, the arm consists of just three long bones.
What is the last bone in the arm?
Ulna. The last, but not the least, bone of the arm is the ulna. This bone is present between the elbow and the wrist running parallel to radius. The ulna is longer and slightly curved just like the other arm bones. The function of the ulna is also the same, to assist in support and movement of the arm.
What is the bone that extends from the shoulder to the elbow called?
The upper arm bone that extends from the shoulder to the elbow is called the humerus. This is a long bone that helps in supporting and moving the upper arm. The humerus is divided into 3 parts, the round head, the narrow neck, and the tubercles. There are many muscles and ligaments attached to the humerus.
Why does my arm hurt?
Some of the common arm bone pain reasons include fracture of the bones, muscle pulls, torn ligaments and tendons, osteoarthritis, Paget’s disease, peripheral neuropathy, bone cancer, etc.
What is the most commonly used body part?
The arms and hands are one of the most frequently used body parts. The use of our limbs comes so naturally to us that we never realize the science behind their functioning. The study of the anatomy of the human arm will give you an idea as to how complex these seemingly simple functions can be.
Where are the biceps located?
The biceps are made up of two different heads and are located in the front of the arms. They help in bending the arm towards the shoulders. The triceps are present on the rear part of the upper arm and is made up of three muscles. The function of the triceps is to help the arm extend forward.
What is the function of the radius?
The radius is long and curved in shape and runs parallel to the ulna. The function of the radius is to help in movement and supporting the arm. Muscles attached to the radius include: Supinator.
What muscles are in the back of the arm?
Like the muscles of the front of the arm, the superficial muscles of the back of the arm are long and span the length of the forearm. The extensor carpi radialis brevis, extensor carpi ulnaris, extensor digitorum, and extensor digiti minimi all start from a specific portion of the lower end of the humerus called the lateral epicondyle. The extensor carpi radialis longus and brachioradialis originate from the area directly above the lateral epicondyle called the supracondylar ridge. 1
How many muscles are in the arm?
There are 24 different muscles that make up each arm, and they control movement of the elbow, forearm, wrist, and fingers. Compared to the five muscles of the upper arm, the lower arm contains 19 different muscles that are divided into anterior (front of the arm) and posterior (back of the arm). They can be superficial (near the skin) or deep (underlying the superficial group).
What muscles are in the anterior lower arm?
The pronator teres, flexor carpi radialis, flexor carpi ulnaris, and palmaris longus all originate from a specific portion of the lower end of the humerus called the medial epicondyle.
How many heads does the triceps brachii have?
The biceps brachii in the front of the arm has two heads, while the triceps brachii in the back of the arm has three heads. While each head originates at different locations, all heads of the same muscle group conjoin and attach to the same spot. 1. The biceps brachii attaches to the top of the radius, the forearm bone on the thumb side of the arm, ...
What are the four tendons that attach to the phalange bones of the index, middle, ring, and
While the flexor digitorum superficialis starts as one muscle, it separates into four separate tendons that attach to the phalange bones of the index, middle, ring, and pinky fingers . 1. The deep muscles of the front of the arm underlie the superficial muscles.
Which muscles control the movement of the elbow?
The muscles of the upper arm, the area between the shoulder and elbow, primarily control movement of the elbow. The biceps brachii, coracobrachialis, and brachialis all control flexion at the elbow joint, or bending of the elbow. The brachioradialis of the lower arm also contributes to elbow flexibility. The triceps brachii, along with a small contribution from the anconeus, controls the opposite motion of extension of the elbow. The biceps brachii and triceps brachialis contribute to flexion and extension of the shoulder. 1
Where is the triceps brachii located?
The biceps brachii attaches to the top of the radius, the forearm bone on the thumb side of the arm, while the brachialis, triceps brachii, and anconeus attach to the top of the ulna, the forearm bone on the pinky finger side of the arm.
Parts of the Body Male
skull, temple, ear, forehead, face, Adam’s apple , shoulder, nipple, breast, armpit, thorax, navel, abdomen, pubis, groin, knee, foot, toe, ankle, instep
Parts of the Body Girl
eye, nose, cheek, chin, mouth, neck, shoulder, armpit, breast, thorax, navel, abdomen, publs, groin, knee, foot, ankle, toe
SENSE ORGANS- TOUCH -HAND
palm, middle finger, third finger, little finger, index finger , fingernaill, thumb, lunula , wrist
What is the torso?
Credit: MedicalGraphics (CC BY-ND 4.0) The torso or “trunk” is the largest section of the human body and composes the bulk of the human body. The main function of the torso is to provide shape and structure to the human body and to house its vital internal organs such as the heart, lungs, stomach, intestines, liver, and kidneys.
What is the head of the human body?
The human head consists of a fleshy outer portion covering a bony substructure called the skull. The primary purpose of the head is to contain and support the brain and primary sensory organs such as the mouth, eyes, ears, and nose. The head is probably one of the more delicate parts of the human body, as the vascular and musculature structures of the head consist of a number of small interconnected parts that need to be situated very particularly to function properly. The parts of the human head include:
What are the main organ systems of the human body?
The main organ systems of the human body are the respiratory system, the vascular system, the skeletal system, and the digestive system.
What are the organ systems?
In a nutshell, an organ system is a collective group of organs that work together to perform some specific function. The major organ systems of the human body are the respiratory system, vascular system, skeletal system, and the digestive system.
How many limbs does a boy have?
Limbs. The next important division of the human boy is its 4 limbs. The limbs are attached to the torso and their primary purpose is to interact with the environment via locomotion with the legs and manipulating objects with the arms.
What are the parts of the head?
The parts of the human head include: Skull. Cranium (holds the brain)
Which organ system uses the vascular system to remove pathogens from the body?
The lymph system uses the vascular system to remove pathogens from the body, and the kidneys and liver serve to remove toxins from the blood.
What is the upper limb?
Upper Limb: This region includes the shoulder, arm, hand, wrist, forearm, elbow and fingers. Thorax: This is the region of the chest from the thoracic inlet to the thoracic diaphragm. Middle Region: This includes human abdomen to the pelvic brim or to the pelvic inlet.
Which side of the body is the organ on?
For the sake of convenience, you may divide body organs into ‘Organs on the left side of the body’ and ‘Organs on the right side of the human body’. Here is a list of the main internal organs of the human body. Adrenals.
What are the major body systems?
Major Human Body Systems. Circulatory System: Pumps and channels blood to and from the body and lungs, plays an important role in the transportation of nutrients, gases, hormones and wastes through the body. It consists of heart, blood and blood vessels. Digestive System: Digests and processes the ingested food.
What are the organs of the brain?
For example, the brain consists of Amygdala, Brainstem, Cerebellum, Cerebral cortex, Limbic system, Medulla, Midbrain, and Pons.
What system helps move the body?
Musculoskeletal System: Helps move the body with muscles and tendons. Movement of the muscles promotes movement of fluids, food or blood (for example, in the stomach, intestines, and heart). It consists of both skeletal and smooth muscles.
Which system communicates with the body?
Endocrine System: Communicates within the body using hormones made by endocrine glands like the hypothalamus, pituitary gland, pineal gland, thyroid, parathyroid and adrenal glands. Hormones control the physiological processes in the body and psychological behavior of the person.
Why are anatomy charts important?
Anatomical charts and models of bod ily systems help study human physiology. The human body, a scientific marvel has always been an interesting topic for various researches related to body mechanisms like aging, fighting diseases, the effect of stress on health, etc.
What is the uppermost part of the human body?
HEAD – The uppermost part of the human body, containing the brain, mouth and sense organs. I accidentally walked into the door and hit my head really hard! It feels sore now. FOREHEAD – The part of the face above the eyebrows. I have a lot of spots on my forehead, because I eat too many sugary sweets.
What is the name of the passage that leads from the back of the mouth of a person or animal to the stomach
THROAT – The passage that leads from the back of the mouth of a person or animal to the stomach, or to the lungs. I have a sore throat and cannot swallow food properly. FACE – The front part of a person’s head, from the forehead to the chin. You should wash your face thoroughly with soap every day.
What is the hips?
HIPS – A projection of the pelvis and upper thigh bone on each side of the human body. Women generally have wider hips than men. BOTTOM – The buttocks; two round fleshy parts that form the rear area of a human trunk. He slipped on the icy road and fell flat on his bottom.
What is the term for a band or bundle of fibrous tissue that has the ability to contract, producing movement in
MUSCLE – A band or bundle of fibrous tissue that has the ability to contract, producing movement in or maintaining the position of parts of the body. I think I might have pulled a muscle in my leg from running too much. SKIN – The thin layer of tissue forming the natural outer covering of the body of a person.
What is the red liquid that circulates in the arteries and veins of humans?
BLOOD – The red liquid that circulates in the arteries and veins of humans, carrying oxygen to and carbon dioxide from the tissues of the body. I donate blood every year to help other people. BONE – Any of the pieces of hard, whitish tissue making up the human skeleton.
Anatomical Structure and Location
Function
- The muscles of the upper arm, the area between the shoulder and elbow, primarily control movement of the elbow. The biceps brachii, coracobrachialis, and brachialis all control flexion at the elbow joint, or bending of the elbow. The brachioradialis of the lower arm also contributes to elbow flexion. The triceps brachii, along with a small contribution from the anconeus, controls th…
Associated Conditions
- Neuromuscular Disorders
Neuromuscular disorders are conditions that affect the nerves that send electrical signals to muscles to control movement. Symptoms of these disorders include muscle weakness, muscle wasting, called atrophy, muscle twitching, cramps, or spasms, muscle pain, numbness and tingli… - Injury
Trauma or injury to the arms can cause various issues, including pain, weakness, and difficulty with everyday and work-related tasks. Common injuries that affect the muscles of the arms include:1 1. Carpal tunnel syndrome 2. Tennis elbow 3. Golfer’s elbow 4. Muscle tears or strains …
Tests
- Different tests are used to confirm a diagnosis of an injury or disorder of the muscles of the arm, including:2 1. Magnetic resonance imaging (MRI):An MRI is a scan that provides a clear image of soft tissue structures, including muscles and tendons, to check for a muscle tear or tendinitis, which is inflammation of a muscle’s tendon. 2. Electromyography (EMG):EMG testing can be use…
A Word from Verywell
- There are 24 different muscles that make up the upper and lower arms. Problems can result from injury, repetitive use, or neuromuscular disorders that cause weakness of the elbow, forearm, wrist, or finger muscles. This weakness can interfere with your ability to perform daily tasks. Allowing injured or overused muscles to rest can help ease the pain and discomfort. Seeing a ph…