• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Home
  • TeleConsult
  • About
  • Newsletter/Updates
  • Contact Us
  • Policies

Bone and Spine

Orthopedic health, conditions and treatment

  • General Ortho
  • Procedures
  • Spine
  • Upper Limb
  • Lower Limb
  • Pain
  • Trauma
  • Tumors

Anatomy

Dorsal Digital Expansion or Extensor Expansion

By Dr Arun Pal Singh

Dorsal Digital Expansion

The term dorsal digital expansion refers to the small triangular aponeurosis covering the dorsum of the proximal phalanx with its base at the metacarpophalangeal joint. The main tendon of the extensor digitorum occupies the central part of the expansion and is separated from the metacarpophalangeal joint by a bursa. [Aponeurosis is a flat sheet or […]

Filed Under: Anatomy, Hand and Upper Limb

Forearm Muscles – Anatomy and Function

By Dr Arun Pal Singh

Flexor Muscles of Hand and Wrist

The forearm is the area of upper extremity between the elbow and wrist. The bony structure of the forearm is formed by two bones – radius and ulna. There are twenty forearm muscles which are arranged in two compartments – anterior and posterior. The anterior compartment contains flexor muscles and is also called the flexor […]

Filed Under: Anatomy

Anatomy of Muscles of Arm

By Dr Arun Pal Singh

Biceps muscle with both heads of origin

The region between the shoulder joint and the elbow joint is called the upper arm or arm. That between elbow and wrist is called forearm. Brachium and antebrachium are anatomical terms for arm and forearm respectively but are not used that commonly. Muscles of arm can be classified as that of a flexor compartment or […]

Filed Under: Anatomy, Hand and Upper Limb

Muscles of Shoulder Region

By Dr Arun Pal Singh

Muscles of Shoulder on anterior side

The human shoulder is made up of three bones Clavicle or collarbone Scapula Humerus Glenohumeral joint and acromioclavicular joints are the main joints of the shoulder region. The joints are stabilized by muscles, ligaments and tendons. The shoulder joint is a very mobile joint to allow for a wide range of actions such as lifting, pushing and […]

Filed Under: Anatomy

Anatomical Position, Planes and Locations

By Dr Arun Pal Singh

anatomical planes of body

Anatomical Position of Human Body Anatomical position is the basic premise or central tenet, the very core on which all the details of anatomy are based. Thus, to understand the anatomy of the human body, the anatomical position has always to be remembered. The anatomical position of the human body is The person standing erect […]

Filed Under: Anatomy

Muscles of Pectoral Region – Anatomy and Clinical Significance

By Dr Arun Pal Singh

Muscles of pectoral region

Muscles of pectoral region or pectoral muscles are the muscles that connect the front of the chest to the bones of shoulder and arm. The pectoral region refers to the anterior chest wall. They are commonly called as pecs. These muscles also provide shape to the chest and pectoral exercises are quite famous among bodybuilders. […]

Filed Under: Anatomy

Ulnar Nerve Anatomy, Course and Supply

By Dr Arun Pal Singh

Ulnar nerve Course

The ulnar nerve, an extension of the medial cord of the brachial plexus, is a mixed nerve (both motor and sensory) that supplies hand muscles and medial aspect of the skin of the hand. The ulnar nerve and median nerve are responsible for the supply of flexor muscles and skin of the hand. These nerves […]

Filed Under: Anatomy

Phalanx of Hand – Anatomy and Function

By Dr Arun Pal Singh

parts of phlanges

Phalanx [plural phalanges] is a tubular bone present in hand and foot and form digits [fingers and toes]. In this article, we discuss the phalanges of the hand. There are five digits in each hand – four finger and one thumb. All fingers have three phalanges distal, middle and proximal. Thumb has only proximal and […]

Filed Under: Anatomy

Flexor Retinaculum of Hand and Foot

By Dr Arun Pal Singh

Palmar Aponeurosis and flexor retinaculum

Flexor retinaculum of hand is a fibrous band that is present in the flexor aspect of wrist and flexor aspect of the ankle. Flexor retinaculum of the hand is also called transverse carpal ligament or anterior annular ligament. It is a strong, fibrous band, that arches over the wrist region and converts the deep groove […]

Filed Under: Anatomy

Osteon or Haversian System and Its Significance

By Dr Arun Pal Singh

electron microscopy structure of osteon

The osteon is the basic building block and fundamental functional unit of compact bone. It is also called a Haversian system, named after Clopton Havers, an English physician who worked extensively on the microstructure of the bone. Structurally, osteons are roughly cylindrical structures which are several millimeters long and around 0.2 mm in diameter. Structure […]

Filed Under: Anatomy

  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Interim pages omitted …
  • Go to page 10
  • Go to Next Page »

Primary Sidebar

Browse Articles

flail chest

Flail Chest Injury – Causes, Presentation and Treatment

Flail chest is caused by severe blunt injury which causes multiple [3 or more] segmental [rib fractures at two points say anterior and posterior] rib fracture resulting in paradoxical movement of broken chest wall segment [that becomes devoid of any attachment and moves with changes in intrathoracic pressure.] With a better understanding of injury pattern, […]

X-ray of Legg CalvePerthes Disease

Legg Calve Perthes Disease – Clinical Presentation and Treatment

Legg Calve Perthes disease is an idiopathic avascular necrosis of the proximal femoral epiphysis in children resulting from compromise of the tenuous blood supply to this area. Legg Calve Perthes disease usually occurs in children aged 4-10 years. Mean age is 7 years. Mostly, the disorder is unilateral. It affects 1 in 10,000 children with a male to […]

Popliteal Fossa Anatomy

Popliteal Fossa Anatomy and Contents

The popliteal fossa [sometimes called knee pit]  is a diamond-shaped depression lying behind the knee joint, covering the lower part of the femur, and the upper part of the tibia. Boundaries of Popliteal Fossa It becomes easier to understand the landmarks when we visualize looking at the fossa from behind. The boundaries or borders of […]

Humerus bone diagram

Humerus Anatomy and Attachments

The humerus is a bone that connects the shoulder and elbow. The humerus is the largest bone in the upper limb and the only bone in the upper arm. Humerus movements participate in many days to day essential activities like throwing, lifting, writing and others which require movements of the shoulder joint. Proximally, humerus forms […]

posterior knee ligaments

Posterolateral Corner Injury of Knee

The posterolateral corner injury is commonly associated with anterior cruciate or posterior cruciate ligament injuries. Isolated injuries to posterolateral corner are rare. The injury usually occurs by a blow to the anteromedial knee, a varus blow to the flexed knee, hyperextension injuries and knee dislocation. Peroneal nerve injuries are commonly associated. Once referred to as […]

Swimmer's shoulder

Swimmer’s Shoulder Causes, Symptoms and Treatment

Swimmer’s shoulder is an umbrella term covering a range of painful shoulder in the competitive swimmer lead to a spectrum of overuse injuries seen in the swimmer’s shoulder, the most common of which is rotator cuff tendinitis. Shoulder pain is the most common musculoskeletal complaint in swimming with swimmer’s shoulder. Reports of incidence of disabling shoulder pain […]

Ulnar Club Hand

Ulnar Club Hand

Ulnar club hand is a congenital deformity of upper limb characterized by deficiency of the ulna and/or the ulnar sided carpal structures. The deformity can lead to instability of wrist or elbow. Ulnar club hand is more appropriately termed as ulnar deficiencies of forearm. It is 5-10 times less common than radial club hand and […]

© Copyright: BoneAndSpine.com
Manage Cookie Consent
The site uses cookies. Please accept cookies for a better visiting experience.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
Manage options Manage services Manage vendors Read more about these purposes
View preferences
{title} {title} {title}
 

Loading Comments...