This article is about upper limb of an animal. For other uses, see ARM. In anatomy, an arm is one of the upper limbs of an animal. The term arm can also be used for analogous structures, such as one of the paired upper limbs of a four-legged animal, or the arms of an octopus. In the lexicon of human anatomy, the term arm refers specifically to the segment between the shoulder and the elbow. The segment between the elbow and wrist is the forearm. However, in colloquial speech the term arm often refers to the entire upper limb from shoulder to wrist. This article is about upper limb of an animal. ...
Human heart and lungs, from an older edition of Grays Anatomy. ...
In humans, the upper limb is an anatomical term for the limb that is attached to the pectoral girdle. ...
For other uses, see Octopus (disambiguation). ...
This article is about the body part. ...
Elbow redirects here. ...
For the municipality in Germany, see Wrist, Germany. ...
// The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ...
In primates the arms are richly adapted for both climbing and for more skilled, manipulative tasks. The ball and socket shoulder joint allows for movement of the arms in a wide circular plane, while the presence of two forearm bones which can rotate around each other allows for additional range of motion at this level.
Image File history File links Upperarm. ...
Image File history File links Upperarm. ...
Anatomy of the human arm The human arm contains 30 bones, joints, muscles, nerves, and blood vessels. Many of these muscles are used for everyday tasks.
Bony structure and joints  bone structure of a human arm The humerus is the (upper) arm bone. It joins with the scapula above at the shoulder joint (or glenohumeral joint) and with the ulna and radius below at the elbow joint. The humerus is a long bone in the arm or fore-legs (animals) that runs from the shoulder to the elbow. ...
Left scapula - front view () Left scapula - rear view () In anatomy, the scapula, or shoulder blade, is the bone that connects the humerus (arm bone) with the clavicle (collar bone). ...
This article is about the body part. ...
The ulna (Elbow Bone) [Figs. ...
The radius is the bone of the forearm that extends from the outside of your limb to your phlangx (lateral) of the elbow to the thumb side of the wrist. ...
Elbow redirects here. ...
Elbow joint -
Main article: Elbow-joint The elbow joint is the hinge joint between the distal end of the humerus and the proximal ends of the radius and ulna. The humerus cannot be broken easily. Its strength allows it to handle loading up to 300lbs. Elbow redirects here. ...
A joint is the location at which two bones make contact. ...
Osteofascial compartments The arm is divided by a fascial layer (known as lateral and medial intermuscular septa) separating the muscles into two osteofascial compartments: Fascia is specialized connective tissue layer which surrounds muscles, bones, and joints, providing support and protection and giving structure to the body. ...
Intermuscular septum can refer to: medial intermuscular septum lateral intermuscular septum Category: ...
The fascia merges with the periosteum (outer bone layer) of the humerus. The compartments contain muscles which are innervated by the same nerve and perform the same action. The anterior compartment of the arm is known as the flexor compartment as flexion is its main action. ...
The posterior compartment of the arm contains muscles which are all supplied by the radial nerve. ...
The periosteum is an envelope of fibrous connective tissue that is wrapped around the bone in all places except at joints (which are protected by cartilage). ...
Two other muscles are considered to be partially in the arm:
- The large deltoid muscle is considered to have part of its body in the anterior compartment. This muscle is the main abductor muscle of the upper limb and extends over the shoulder.
- The brachioradialis muscle originates in the arm but inserts into the forearm. This muscle is responsible for rotating the hand so its palm faces forward (supination).
In human anatomy, the deltoid muscle is the muscle forming the rounded contour of the shoulder. ...
In anatomy and physiology, abduction is the moving of limbs away from the midline of the body. ...
Brachioradialis is a muscle located in the forearm, that acts to flex the forearm. ...
In human and zoological anatomy (sometimes called zootomy), several terms are used to describe the location of organs and other structures in the body of bilateral animals. ...
Cubital fossa The cubital fossa is clinically important for venepuncture and for blood pressure measurement. It is an imaginary triangle with borders being: In anatomy, the cubital fossa is the area on the front side of the elbow joint of the arm. ...
Venipuncture using a vacutainer. ...
A sphygmomanometer, a device used for measuring arterial pressure. ...
The structures which smell through the cubital fossa are vital. The order from which they pass into the forearm are as follows, from medial to lateral: Brachioradialis is a muscle located in the forearm, that acts to flex the forearm. ...
The Pronator teres muscle is a muscle of the human body, in the forearm. ...
Categories: Move to Wiktionary | Anatomy stubs ...
The humerus is a long bone in the arm or fore-legs (animals) that runs from the shoulder to the elbow. ...
Brachialis is a flexor muscle in the upper arm. ...
This article is about the organ. ...
Fascia is specialized connective tissue layer which surrounds muscles, bones, and joints, providing support and protection and giving structure to the body. ...
The median nerve is a nerve that runs down the arm and forearm. ...
The brachial artery is the major blood vessel of the upper arm. ...
A person flexing his biceps brachii In human anatomy, the biceps brachii is a muscle on the upper arm that acts to flex the elbow. ...
The radial nerve is a nerve in the human body, that supplies the arm, the forearm and the hand. ...
Superficial veins of the upper limb. ...
In human anatomy, the basilic vein is a superficial vein of the upper limb. ...
This vein is located in the superficial fascia along the anterolateral surface of the biceps brachii muscle and is often visible through the skin. ...
Nervous supply The musculocutaneous nerve, from C5, C6, C7, is the main supplier of muscles of the anterior compartment. It originates from the lateral cord of the brachial plexus of nerves. It pierces the coracobrachialis muscle and gives off branches to the muscle, as well as to brachialis and biceps brachii. It terminates as the anterior cutaneous nerve of the forearm. The musculocutaneous nerve arises from the lateral cord of the brachial plexus, opposite the lower border of the Pectoralis minor, its fibers being derived from the fifth, sixth, and seventh cervical nerves. ...
The brachial plexus is an arrangement of nerve fibres (a plexus) running from the spine (vertebrae C5-T1), through the neck, the axilla (armpit region), and into the arm. ...
Coracobrachialis is one of the three muscles that attach to the coracoid process of the scapula. ...
Brachialis is a flexor muscle in the upper arm. ...
A person flexing his biceps brachii In human anatomy, the biceps brachii is a muscle on the upper arm that acts to flex the elbow. ...
The radial nerve, which is from the fifth cervical spinal nerve to the first thoracic spinal nerve, originates as the continuation of the posterior cord of the brachial plexus. This nerve enters the lower triangular space (an imaginary space bounded by, amongst others, the shaft of the humerus and the triceps brachii) of the arm and lies deep to the triceps brachii. Here it travels with a deep artery of the arm (the profunda brachii), which sits in the radial groove of the humerus. This fact is very important clinically as a fracture of the bone at the shaft of the bone here can cause lesions or even transections in the nerve. The radial nerve is a nerve in the human body, that supplies the arm, the forearm and the hand. ...
Anatomists use the term triangles of the neck to describe the divisions created by the major muscles in the region. ...
The arteria profunda brachii is a large vessel which arises from the medial and back part of the brachial, just below the lower border of the Teres major. ...
The center of the lateral border of the humerus is traversed by a broad but shallow oblique depression, the radial sulcus (musculospiral groove, radial groove). ...
Skin lesions caused by Chickenpox A lesion is any abnormal tissue found on or in an organism, usually damaged by disease or trauma. ...
Other nerves passing through give no supply to the arm. These include:
- The median nerve, nerve origin C5-T1, which is a branch of the lateral and medial cords of the brachial plexus. This nerve continues in the arm, travelling in a plane between the biceps and triceps muscles. At the cubital fossa, this nerve is deep to the pronator teres muscle and is the most medial structure in the fossa. The nerve passes into the forearm.
- The ulnar nerve, origin C7-T1, is a continuation of the medial cord of the brachial plexus. This nerve passes in the same plane as the median nerve, between the biceps and triceps muscles. At the elbow, this nerve travels posterior to the medial epicondyle of the humerus. This means that condylar fractures can cause lesion to this nerve.
The median nerve is a nerve that runs down the arm and forearm. ...
The brachial plexus is an arrangement of nerve fibres (a plexus) running from the spine (vertebrae C5-T1), through the neck, the axilla (armpit region), and into the arm. ...
The Pronator teres muscle is a muscle of the human body, in the forearm. ...
// The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ...
In human anatomy, the ulnar nerve is a nerve which runs from the shoulder to the hand, at one part running near the ulna bone. ...
The brachial plexus is an arrangement of nerve fibres (a plexus) running from the spine (vertebrae C5-T1), through the neck, the axilla (armpit region), and into the arm. ...
The median nerve is a nerve that runs down the arm and forearm. ...
For other uses, see Fracture (disambiguation). ...
Blood supply and venous drainage
Arteries The main artery in the arm is the brachial artery. This artery is a continuation of the axillary artery. The point at which the axillary becomes the brachial is distal to the lower border of teres major. The brachial artery gives off an important branch, the profunda brachii (deep artery of the arm). This branching occurs just below the lower border of teres major. The brachial artery is the major blood vessel of the upper arm. ...
In human anatomy, the axillary artery is a large blood vessel that conveys oxygenated blood to the lateral aspect of the thorax, the axilla (armpit) and the upper limb. ...
The brachial artery is the major blood vessel of the upper arm. ...
The arteria profunda brachii is a large vessel which arises from the medial and back part of the brachial, just below the lower border of the Teres major. ...
The brachial artery continues to the cubital fossa in the anterior compartment of the arm. It travels in a plane between the biceps and triceps muscles, the same as the median nerve and basilic vein. It is accompanied by venae comitantes (accompanying veins). It gives branches to the muscles of the anterior compartment. The artery is in between the median nerve and the tendon of the biceps muscle in the cubital fossa. It then continues into the forearm. In anatomy, the cubital fossa is the area on the front side of the elbow joint of the arm. ...
The median nerve is a nerve that runs down the arm and forearm. ...
In human anatomy, the basilic vein is a superficial vein of the upper limb. ...
With the smaller arteries—as the radial artery, ulnar artery, brachial artery, tibial artery, peroneal—the deep veins exist generally in pairs, one lying on each side of the vessel, and are called venæ comitantes. ...
The median nerve is a nerve that runs down the arm and forearm. ...
A person flexing his biceps brachii In human anatomy, the biceps brachii is a muscle on the upper arm that acts to flex the elbow. ...
// The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ...
The profunda brachii travels through the lower triangular space with the radial nerve. From here onwards it has an intimate relationship with the radial nerve. They are both found deep to the triceps muscle and are located on the spiral groove of the humerus. Therefore fracture of the bone may not only lead to lesion of the radial nerve, but also haematoma of the internal structures of the arm. The artery then continues on to anastamose with the recurrent radial branch of the brachial artery, providing a diffuse blood supply for the elbow joint. Anatomists use the term triangles of the neck to describe the divisions created by the major muscles in the region. ...
The radial nerve is a nerve in the human body, that supplies the arm, the forearm and the hand. ...
The humerus is a long bone in the arm or fore-legs (animals) that runs from the shoulder to the elbow. ...
For other uses, see Fracture (disambiguation). ...
The radial nerve is a nerve in the human body, that supplies the arm, the forearm and the hand. ...
A heamatoma is when boush bags become extremely inflamed and painful ush flaps become itchy and flackey just like frosted flackes :S ...
An anastomosis (plural anastomoses) is a connection between two structures, organs or spaces. ...
The brachial artery is the major blood vessel of the upper arm. ...
Elbow redirects here. ...
Veins The veins of the arm carry blood from the extremities of the limb, as well as drain the arm itself. The two main veins are the basilic and the cephalic veins. There is a connecting vein between the two, the median cubital vein, which passes through the cubital fossa and is clinically important for venepuncture (withdrawing blood). In human anatomy, the basilic vein is a superficial vein of the upper limb. ...
This vein is located in the superficial fascia along the anterolateral surface of the biceps brachii muscle and is often visible through the skin. ...
Superficial veins of the upper limb. ...
In anatomy, the cubital fossa is the area on the front side of the elbow joint of the arm. ...
Venipuncture using a vacutainer. ...
The basilic vein travels on the medial side of the arm and terminates at the level of the seventh rib.
The cephalic vein travels on the lateral side of the arm and terminates as the axillary vein. It passes through the deltopectoral triangle, a space between the deltoid and the pectoralis major muscles.
See also In sciences dealing with the anatomy of animals, precise anatomical terms of location are necessary for a variety of reasons. ...
Additional images Cross-section through the middle of upper arm. |
External links Wikimedia Commons has media related to: | General anatomy of upper limbs | | | Arm | Axilla • Axillary sheath • axillary folds ( Anterior, Posterior) spaces (Quadrangular space, Triangular space, Triangular interval) • Clavipectoral triangle Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. ...
Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ...
eMedicine is an online clinical medical knowledge base that was founded in 1996. ...
List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ...
For other uses of the word head, see head (disambiguation). ...
In humans, the adult skull is normally made up of 22 bones. ...
In human anatomy, the forehead or brow is the bony part of the head above the eyes. ...
For other uses, see Eye (disambiguation). ...
For other uses, see Ear (disambiguation). ...
The visible part of the human nose is the protruding part of the face that bears the nostrils. ...
Sagittal section of nose mouth, pharynx, and larynx. ...
For other uses, see Tongue (disambiguation). ...
Teeth redirects here. ...
The mandible (from Latin mandibÅla, jawbone) or inferior maxillary bone is, together with the maxilla, the largest and strongest bone of the face. ...
The face is the front part of the head and includes the hair, forehead, eyebrow, eyes, nose, ears, cheeks, mouth, lips, philtrum, teeth, skin, and chin. ...
This article is about the anatomical feature. ...
This article is about the part of the face. ...
Image File history File links Human body features (external) Created by Vsion. ...
For other uses, see Neck (disambiguation). ...
For other uses, see Throat (disambiguation). ...
For other uses, see Adams apple (disambiguation). ...
The human torso Torso is an anatomical term for the greater part of the human body without the head and limbs. ...
This article is about the body part. ...
The vertebral column seen from the side Different regions (curvatures) of the vertebral column The vertebral column (backbone or spine) is a column of vertebrae situated in the dorsal aspect of the abdomen. ...
For other uses, see Breast (disambiguation). ...
The Tail of Spence (or Spences tail) is an extension of the tissue of the breast which extends into the axilla (armpit). ...
Male Chest The chest is a part of the anatomy of humans and various other animals. ...
The human rib cage is a part of the human skeleton within the thoracic area. ...
The human abdomen (from the Latin word meaning belly) is the part of the body between the pelvis and the thorax. ...
For other uses, see Navel (disambiguation). ...
A sex organ, or primary sexual characteristic, as narrowly defined, is any of the anatomical parts of the body which are involved in sexual reproduction and constitute the reproductive system in a complex organism; in mammals, these are: Female: Bartholins glands, cervix, clitoris, Fallopian tubes, labia, ovaries, Skenes...
The clitoris is a sexual organ that is present only in female mammals. ...
The vagina, (from Latin, literally sheath or scabbard ) is the tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. ...
The penis (plural penises, penes) is an external male sexual organ. ...
In some male mammals the scrotum is a protuberance of skin and muscle containing the testicles. ...
Look up testes in Wiktionary, the free dictionary. ...
In anatomy, the hip is the bony projection of the femur which is known as the greater trochanter, and the overlying muscle and fat. ...
This article is about the bodily orifice. ...
Bottom commonly refers to the human buttocks but also has other uses. ...
A limb (from the Old English lim) is a jointed, or prehensile (as octopus tentacles or new world monkey tails), appendage of the human or animal body; a large or main branch of a tree; a representative, branch or member of a group or organization. ...
For the band, see Elbow (band). ...
// The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ...
For the municipality in Germany, see Wrist, Germany. ...
For other uses, see Hand (disambiguation). ...
For other uses, see Finger (disambiguation). ...
For other uses, see Thumb (disambiguation). ...
The second digit of a human hand is also referred to as the index finger, pointer finger, forefinger, trigger finger, digitus secundus, or digitus II. It is located between the first and third digits - that is, between the thumb and the middle finger. ...
This article is about the vulgar gesture. ...
The ring finger is the fourth digit of the human hand, and the second most ulnar finger, located between the middle finger and the little finger. ...
The little finger, often called the pinky in American English and pinkie in Scottish English (from the Dutch word pink, meaning little finger), is the most ulnar and usually smallest finger of the human hand, opposite the thumb, next to the ring finger. ...
In common usage, a human leg is the lower limb of the body, extending from the hip to the ankle, and including the thigh, the knee, and the cnemis. ...
Manuel Márquez de León International Airport (IATA: LAP, ICAO: MMLP) is an international airport located at La Paz, Baja California Sur, Mexico. ...
In humans the thigh is the area between the pelvis and buttocks and the knee. ...
For other uses, see Knee (disambiguation). ...
The calf or gastrosoleus is a pair of muscles—the gastrocnemius and soleus—at the back of the lower human leg. ...
For other uses, see Heel (disambiguation). ...
For a review of anatomical terms, see Anatomical position and Anatomical terms of location. ...
For other uses, see Foot (disambiguation). ...
This article is about the body part. ...
Toes on foot. ...
This article is about the organ. ...
This article is about the body feature. ...
List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ...
In humans, the upper limb is an anatomical term for the limb that is attached to the pectoral girdle. ...
The armpit (or axilla) is the area on the human body directly under the area where the arm connects to the shoulder. ...
The first portion of the axillary artery is enclosed, together with the axillary vein and the brachial plexus, in a fibrous sheath—the axillary sheath—continuous above with the deep cervical fascia. ...
There are very few or no other articles that link to this one. ...
The quadrangular space is a location in the arm which is bounded by the Subscapularis and Teres minor above, the Teres major below, the long head of the Triceps brachii medially, and the surgical neck of the humerus laterally. ...
The triangular space contains the scapular circumflex vessels. ...
The triangular interval is the space between the long head of the triceps brachii and the humerus, just inferior to the teres major. ...
The clavipectoral triangle (or deltopectoral triangle) is an anatomical triangle bordered by the following structures: pectoralis major deltoid clavicle It contains the cephalic vein. ...
compartment of arm (Posterior, Anterior) Cross-section through the middle of upper arm. ...
The posterior compartment of the arm contains muscles which are all supplied by the radial nerve. ...
The anterior compartment of the arm is known as the flexor compartment as flexion is its main action. ...
fascia ( Axillary, Brachial) - intermuscular septa ( Lateral, Medial) | | | Forearm | Cubital fossa ( Bicipital aponeurosis) • Cubital tunnel • common tendons ( Extensor, Flexor) • Interosseous membrane of the forearm compartment of forearm (Posterior, Anterior) Fascia is specialized connective tissue layer which surrounds muscles, bones, and joints, providing support and protection and giving structure to the body. ...
The pectoral fascia is very thin over the upper part of the Pectoralis major, but thicker in the interval between it and the Latissimus dorsi, where it closes in the axillary space and forms the axillary fascia. ...
The Brachial Fascia (deep fascia of the arm) is continuous with that covering the Deltoideus and the Pectoralis major, by means of which it is attached, above, to the clavicle, acromion, and spine of the scapula; it forms a thin, loose, membranous sheath for the muscles of the arm, and...
// The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ...
In anatomy, the cubital fossa is the area on the front side of the elbow joint of the arm. ...
Opposite the bend of the elbow the tendon of the biceps brachii gives off, from its medial side, a broad aponeurosis, the lacertus fibrosus (aponeurosis of biceps muscle of arm, bicipital fascia) which passes obliquely downward and medialward across the brachial artery, and is continuous with the deep fascia covering...
alex is cool ...
The common extensor tendon is a tendon shared by a number of extensor muscles in the forearm. ...
The common flexor tendon is a tendon shared by a number of superficial flexor muscles in the forearm. ...
The interosseous membrane of the forearm is a fibrous sheet that connects the radius and the ulna. ...
The posterior compartment of the forearm contains the following muscles: E/I refers to extrinsic or intrinsic. The Brachioradialis, flexor of the forearm, is unusual in that it is located in the posterior compartment, but it is actually in the anterior portion of the forearm. ...
The anterior compartment of the forearm contains the following muscles: E/I refers to extrinsic or intrinsic. Compartment syndrome Muscles of upper limbs VERTEBRAL COLUMN: trapezius - latissimus dorsi - rhomboid major - rhomboid minor - levator scapulae ANTERIOR AND LATERAL THORACIC WALLS: pectoralis major - pectoralis minor - subclavius - serratus anterior SHOULDER: deltoid - rotator cuff...
fascia ( Antebrachial fascia) | | | Hand | posterior: Extensor retinaculum • Extensor expansion • Vincula tendina • Anatomical snuff box anterior: Flexor retinaculum • Carpal tunnel • Palmar aponeurosis • Ulnar canal • Synovial sheath (Common synovial sheath for the flexor tendons]) Fascia is specialized connective tissue layer which surrounds muscles, bones, and joints, providing support and protection and giving structure to the body. ...
The antebrachial fascia (or antibrachial fascia) continuous above with the brachial fascia, is a dense, membranous investment, which forms a general sheath for the muscles in this region; it is attached, behind, to the olecranon and dorsal border of the ulna, and gives off from its deep surface numerous intermuscular...
For other uses, see Hand (disambiguation). ...
The extensor retinaculum (dorsal carpal ligament) is an anatomical term for the thickened part of the antebrachial fascia that holds the tendons of the extensor muscles in place. ...
An extensor expansion (dorsal expansion, dorsal hood) is an anatomical term that refers to the flattened tendons (aponeurosis) of extensor muscles that run into the back of the hand. ...
The anatomical snuffbox, or radial fossa, (in Latin Foveola Radialis), is a triangular deepening on the radial, dorsal aspect of the hand - at the level of the carpal bones, specifically, the scaphoid and trapezium bones forming the floor. ...
The flexor retinaculum (transverse carpal ligament, or anterior annular ligament) is a strong, fibrous band, which arches over the carpus, converting the deep groove on the front of the carpal bones into a tunnel, the carpal tunnel, through which the Flexor tendons of the digits and the median nerve pass. ...
This article is about the connective tissue. ...
The palmar aponeurosis (palmar fascia) invests the muscles of the palm, and consists of central, lateral, and medial portions. ...
The ulnar canal, also called Guyons canal, is a potential space at the wrist between the pisiform bone and the hamate bone through which the ulnar artery and the ulnar nerve travel into the hand. ...
Finger | | RVC For other uses, see Finger (disambiguation). ...
|
Feeds |
Contact