Shoulder Joint Anatomy

Ligaments of shoulder joint

Anatomy of Shoulder Joint Shoulder is actually composed of four joints, namely glenohumeral joint, acromioclavicular joint, sternoclavicular joint and scapulothoracic joint. In common usage, shoulder joint mostly refers to glenohumeral joint , the major joint of shoulder but can alsoinclude acromioclavicular joint. Shoulder joint is the most mobile joint in human body and responsible for […]

Suprascapular Nerve – Anatomy & Clinical Significance

Suprascapular nerve course, Public domina image

Suprascapular nerve is derived from upper trunk of brachial plexus, and receives fibers from C5 and C6. It is a mixed nerve containing both sensory and motor fibers. [Read anatomy of brachial plexus] After it emerges,  it sends sensory branches to both the glenohumeral and acromioclavicular joints. It passes downward, laterally deep to the omohyoid […]

Brachial Plexus Anatomy

Anatomy of Brachial Plexus

The brachial plexus is a network of nerves formed by the anterior rami of the lower four cervical nerves and first thoracic nerve roots and proceeds through the neck, the axilla, and into the arm. The nerves coming out from this supply upper limb and shoulder girdle. Structure of Brachial Plexus The brachial plexus consists […]

What are Spinal Nerves

Pinal Nerves

Spinal nerves are the nerves that originate in the spinal cord and form part of peripheral nervous system. Spinal nerves are mixed types of nerves. A mixed nerve is one which transmits motor, sensory, and autonomic signals between the spinal cord and the body. In humans, there are 31 of spinal nerves on each side […]

Normal Gait Cycle

gait cycle

When we walk, we make the use of our two legs, alternately, to provide both support and propulsion, with at least one foot being in contact with the ground at all times. An individual’s style or way of walking – may change slightly with mood. While the terms gait and walking are often used interchangeably, […]

Joints of Our Body

default-thumb-bas

Joints are locations where bones make contact with each other.  Because their function is movement and support, the joints have been modified accordingly to serve the required function. The joints are broadly classified into three categories. Each category has further subcategories Fibrous Joints These are also called synarthroses or  immovable articulations. In these joints, the […]

What is Musculoskeletal System?

default-thumb-bas

It is also known as Locomotor system. Musculoskeletal system serves the function of structural support and locomotion. It consists of different units each serving a unique function. The name musculoskeletal system implies muscles and skeleton. These and many other structures together constitute musculoskeletal system. Bone, joints, ligaments, muscles and nerves are the structures that constitute […]

Anatomy of The Nail

default-thumb-bas

The nail is an integral component of the digital tip serves to protect the fingertip, provides counterforce to tactile sensation  and carries thermoregulationion via glomus bodies in the nail bed and matrix. Parts of The Nail Nail Plate The nail plate (corpus unguis) is the hard visible part of the nail.   The nail plate […]

Anatomy of Distal Phalanx of Hand

Parts of Distal Phalanx

Anatomy of Distal Phalanx of Hand The distal phalanx consists of following parts, from proximal to distal. Base Shaft Tuft or ungual tuberosity These phalanges differ in size, shape and contour from proximal and middle phalnges. Distal phalanges of the middle and ring finger are similar in length. It is followed by index and little […]

Cortical Bone and Cancellous Bone

Bone Mineralization

Human skeleton is made of two types of osseous tissues which differ in their structure and distribution. The difference in their structures and distribution is designed to carry different functions. Cortical Bone Cortical bone is also called compact bone or lamellar bone. Shaft of bone in a long bone like femur is typical example of […]