spiral groove of humerus

spiral groove of humerus

The radial nerve crosses over the lateral aspect of humerus and around the spiral groove, where it is most commonly injured (Mazurek and Shin, 2001) Typically, radial nerve compression at the spiral groove is associated with draping of the arm over a chair during sleep or intoxication (“Saturday night palsy”). Other causes include strenuous exercise, humeral fractures, and infarction from vasculitis

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spiral groove | definition of spiral groove by medical

spiral groove | definition of spiral groove by medical

An indented ring that is palpable just inside the anus along a circumferential line called the white line. The groove is caused by a space between the end of the internal anal sphincter (above) and the subcutaneous part of the external sphincter (below). Synonym: intersphincteric groove

humerus bone | ox, horse, pig, dog, fowl | veterinary

humerus bone | ox, horse, pig, dog, fowl | veterinary

May 13, 2021 · The lateral face is spirally curved and forming the musculo-spiral groove, which contains the brachialis muscle. The groove is continuous with the posterior face above and winds around towards the front. Lateral surface is separated from the anterior by a distinct border the crest of Humerus, which bears above its middle the deltoid tuberosity

radial nerve - neuromuscular home page

radial nerve - neuromuscular home page

Spiral groove of humerus Fibrous arch attachment of triceps to humerus Lateral intermuscular septum below deltoid insertion Arcade of Frohse: Above supinator & Below elbow Branches Above elbow Above spiral groove (Humerus) Cutaneous nerves to arm: Posterior; …

spiral fracture of humerus: signs, treatments & prevention

spiral fracture of humerus: signs, treatments & prevention

Apr 03, 2018 · You may develop a spiral fracture pattern in the humerus due to some twisting injuries. You develop it in the shaft of the humerus when you lock your lower arm or have it trapped in machinery while the body rotates. Similarly, direct twisting forces …

trifurcated radial nerve in the spiral groove of the humerus

trifurcated radial nerve in the spiral groove of the humerus

Using a standard triceps splitting approach, a longitudinal incision along the posterior aspect of the arm was created. Three independent radial nerves coursed posteriorly and inferolaterally around the humerus were identified in spiral groove. Three nerves resembled in the size, color, and course in …

anatomy, shoulder and upper limb, humerus

anatomy, shoulder and upper limb, humerus

May 07, 2020 · Continuing distally is the cylindrical-shaped shaft of the humerus, which contains a deltoid tubercle on its lateral aspect and a radial groove on its posterior aspect (also referred to as the spiral groove). At the distal portion of the humerus, there exists a widening of the bone that forms the medial and lateral epicondyles

causes and treatment of radial nerve injuries

causes and treatment of radial nerve injuries

Nov 27, 2019 · After leaving the axilla, the radial nerve travels down the arm and wraps around the humerus (the large bone between the shoulder and elbow) in a channel known as the spiral groove. The nerve can become compressed within this groove and interfere with your ability to bend the wrist back and straighten your fingers

radial nerve : wheeless' textbook of orthopaedics

radial nerve : wheeless' textbook of orthopaedics

- between axilla & spiral groove of humerus: - it distributes a branch to the lateral head of the triceps; - nerve may or may not travel in spiral groove and is often separated by the humerus by

the radial nerve - course - motor - sensory - teachmeanatomy

the radial nerve - course - motor - sensory - teachmeanatomy

Nov 08, 2020 · In the Radial Groove. The radial nerve is tightly bound within the spiral groove of the humerus. Thus, it is most susceptible to damage with a fracture of the humeral shaft. Motor functions . The triceps brachii may be weakened, but is not paralysed (branches to the long and lateral heads of the triceps arise proximal to the radial groove)

humeral shaft fractures - trauma - orthobullets

humeral shaft fractures - trauma - orthobullets

Holstein-Lewis fracture. a spiral fracture of the distal one-third of the humeral shaft commonly associated with neuropraxia of the radial nerve (22% incidence) Presentation. Symptoms. pain. extremity weakness. Physical exam. examine overall limb alignment. will often present with shortening and in varus

cureus | injury of the radial nerve in the arm: a review

cureus | injury of the radial nerve in the arm: a review

Feb 16, 2018 · The spiral groove is located between the lateral and posterior aspect of the humeral diaphysis. The radial nerve then pierces the lateral intermuscular septum to enter the anterior compartment of the arm (Figure 3). It courses between the brachialis and brachioradialis muscles before entering the forearm [1,3]

bicipital groove | radiology reference article

bicipital groove | radiology reference article

The bicipital groove (also known as the intertubercular sulcus or sulcus intertubercularis) is the indentation between the greater and lesser tuberosities of the humerus that lodges the biceps tendon. Gross anatomy. The bicipital groove is typically 4-6 mm deep 1

surgical exposures of the humerus : jaaos - journal of the

surgical exposures of the humerus : jaaos - journal of the

The neurovascular and muscular anatomy about the humerus precludes the use of a truly “safe” fully extensile approach. Working around a spiraling radial nerve at the posterior midshaft requires either a transmuscular dissection or a triceps-avoiding paramuscular technique

lesions of radial nerves

lesions of radial nerves

May 08, 2018 · Medial head of triceps is supplied by the radial nerve before entering and while in the spiral groove. Lateral head of triceps is innervated by the radial nerve while in the groove. So if lesion occurs in radial groove long head of triceps are spared & thus it leaves extensions at elbow joint intact

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