Upper limb skeletal anatomy

The muscles bones joints nerves blood and lymphatic supply anatomical areas and the structures in the hand. For anatomists the upper limb consists of the arm the upper arm the forearm the lower arm and the hand.

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Upper limb skeletal anatomy. The upper limb is divided into three regions. These consist of the arm located between the shoulder and elbow joints. The forearm which is between the elbow and wrist joints.

And the hand which is located distal to the wrist. There are 30 bones in each upper limb. There are 30 bones in each upper limb.

The humerus is the single bone of the upper arm and the ulna medially and the radius laterally are the paired bones of the forearm. The base of the hand contains eight bones each called a carpal bone and the palm of the hand is formed by five bones each called a metacarpal bone. The bones of the upper limb can be divided into four main groups.

The shoulder girdle arm forearm and hand. In contrast to the lower limb which is involved in weight-bearing and locomotion the main role of the upper limb is to control the position of the hand in space. The free upper limb consists of the shoulder forearm and hand.

The skeleton of the shoulder is the humerus and the skeleton of the forearm is the ulna and radius. The skeleton of the hand consists of many bones which are divided into bones of the wrist bones of. There are 7 main areas covered in the upper limb.

The muscles bones joints nerves blood and lymphatic supply anatomical areas and the structures in the hand. There are a large number of muscles in the upper limb these are involved in allowing us to move and perform important tasks such as gripping with our hands or raising our arms they. Muscles That Move the Pectoral Girdle.

Originate on the axial skeleton and insert on the clavicle and scapula. Stabilize the scapula and move it to increase the arms angle of movements. Upper Limb Bones Hip Coxal Bones Lower Limb Bones Quiz 1 Quiz Answer Keys Index.

Bones by Shape Acknowledgements Quiz 2 Clavicle Scapula Sternum Humerus Ulna Radius Carpals Metacarpals Phalanges fingers Memorization Hint. The RADIUS is rad. The RADIUS is the forearm bone closest to your thumb.

Give a thumbs up to get oriented. Bones of the Upper Limb. The upper limb upper extremity is truly a complex part of human anatomy.

It is best studied broken down into its components. Regions joints muscles nerves and blood vessels. It is best studied broken down into its components.

Regions joints muscles nerves and blood vessels. Lateral end of spine of scapula that projects as a flattened expanded process. Articulates with the acromial end of clavicle to form ACROMIOCLAVICULAR joint AC joint coracoid process.

Is a long ridge that runs diagonally across the upper posterior surface of the bone. Assessing and treating upper limb structures are commonly undertaken in musculoskeletal medicine particularly as these tend to be superficial and readily identified with ultrasound. These tend to become more amenable as you progress distally in the upper limb.

81 Shoulder Superficial structures such as the rotator cuff bursa and supra-scapular nerve can be evaluated using. The humerus is the long bone between the shoulder and the elbow. It has the ball of the ball and socket of the shoulder glenohumeral joint.

At the other end it has its portion of the elbow joint. The humerus serves as an attachment of many muscles and ligaments in the arm. Some of the attached muscles run all the way into.

The upper limb is connected to the axial skeleton which is the cranium vertebral column and associated thoracic cage by the bony pectoral girdle at the sternoclavicular joint which is the connection between the clavicle and sternum. Each upper limb is made up of 32 bones and has a number of different regions. For anatomists the upper limb consists of the arm the upper arm the forearm the lower arm and the hand.

The arm consists of a single bone the humerus. The forearm consists of two bones the ulna and radius. And the hand consists of 27 bones which are grouped.

The Skeletal System Quiz. Cranium and Facial Bones. Organization of the Skeleton.

Organization of the Skeleton. Cranium and Facial Bones. Knowledge of the vascular anatomy of the upper extremity is obviously crucial to the treatment of a wide variety of hand and upper limb conditions.

This chapter is essentially organized from top to bottom in that we describe the anatomy sequentially throughout the upper limb. Anatomy Next provides anatomy learning tools for students and teachers. Skeleton of upper limb.

Skeleton of lower limb. Joints of lower limb. Many skeletal muscles attach to and pull on these bones to move them with strength speed and accuracy.

Like all bones of the body upper limb bones help the body to maintain homeostasis by storing minerals and fats and by producing blood cells in the red bone marrow. Upper limb anatomy encompasses the anatomy of the shoulder arm elbow forearm wrist and hand. This anatomy section promotes the use of the Terminologia Anatomica the international standard of anatomical nomenclature.

The forearm is the region of the upper limb that extends from the elbow to the wrist. Radius and Ulna Bones Anatomy Anterior Markings A detailed review of the anterior view of the radius and ulna supplemented by the beautiful GBS illustrations.