quickconverts.org
☰

Intertubercular Sulcus

Image related to intertubercular-sulcus

The Intertubercular Sulcus: A Deep Dive into the Bicipital Groove



The human body is a marvel of engineering, with intricate structures working in harmony. Understanding these structures is crucial for anyone involved in healthcare, sports medicine, or simply curious about the human form. This article delves into one such crucial anatomical feature: the intertubercular sulcus, also known as the bicipital groove. We’ll explore its location, function, clinical significance, and common associated problems through a question-and-answer format.


I. What is the Intertubercular Sulcus?

Q: What exactly is the intertubercular sulcus, and where is it located?

A: The intertubercular sulcus is a deep groove located on the anterior (front) surface of the humerus, the long bone of the upper arm. It's situated between two prominent bony projections: the greater tubercle (laterally) and the lesser tubercle (medially). Think of it as a channel running down the front of your upper arm bone. Its name, "intertubercular," literally means "between the tubercles."


II. What is the Function of the Intertubercular Sulcus?

Q: What is the purpose of this groove? Why is it so important?

A: The primary function of the intertubercular sulcus is to house and protect the tendon of the long head of the biceps brachii muscle. This tendon originates from the supraglenoid tubercle of the scapula (shoulder blade) and travels through the groove before inserting into the radial tuberosity. The sulcus provides a pathway for the tendon to move smoothly during arm movements like flexion, extension, and supination (palm up). The fibrous labrum (a ring of cartilage at the edge of the glenoid cavity) and the transverse humeral ligament further stabilize this tendon within the groove.


III. Clinical Significance: Injuries and Conditions

Q: What kinds of problems can occur in or around the intertubercular sulcus?

A: Several conditions can affect the intertubercular sulcus, often resulting in pain and impaired arm function.

Bicipital Tendinitis: Inflammation of the long head of the biceps tendon within the sulcus, often caused by repetitive overhead activities or sudden forceful movements. Pain is typically localized to the anterior shoulder and upper arm.
Bicipital Tenosynovitis: Inflammation of the tendon sheath (synovium) surrounding the biceps tendon. This can cause swelling and snapping of the tendon within the groove.
Biceps Tendon Rupture: A complete tear of the biceps tendon, either within the sulcus or at its insertion point. This can result in a noticeable bulge in the upper arm and significant loss of strength.
SLAP Lesions: Superior labrum anterior to posterior lesions involve damage to the labrum at the top of the shoulder joint, which can affect the stability of the biceps tendon within the intertubercular sulcus.
Fractures of the Greater or Lesser Tubercle: Impact injuries can fracture these bony projections, potentially damaging the structures within the sulcus.

Q: How are these conditions diagnosed?

A: Diagnosis typically involves a physical examination assessing range of motion, strength, and tenderness around the shoulder and upper arm. Imaging techniques, such as X-rays, ultrasound, and MRI scans, are used to confirm the diagnosis and identify the extent of the injury.


IV. Real-World Examples and Case Studies

Q: Can you provide some real-world examples of where an understanding of the intertubercular sulcus is crucial?

A: Consider a baseball pitcher who experiences persistent anterior shoulder pain. The diagnosis might be bicipital tendinitis due to the repetitive throwing motion stressing the biceps tendon within the intertubercular sulcus. Similarly, a weightlifter who suddenly feels a "pop" in their upper arm may have suffered a biceps tendon rupture. A surgeon needs a thorough understanding of the anatomy of the sulcus and surrounding structures to plan the correct surgical intervention, be it repair, reconstruction or debridement. Physical therapists also need this knowledge to develop appropriate rehabilitation programs.


V. Treatment and Management

Q: How are conditions affecting the intertubercular sulcus treated?

A: Treatment depends on the specific condition and its severity. Conservative approaches like rest, ice, nonsteroidal anti-inflammatory drugs (NSAIDs), physical therapy, and corticosteroid injections are often tried first. For more severe cases, surgical intervention might be necessary, including repair of the torn tendon, debridement of inflamed tissue, or tendon transfer procedures.


VI. Takeaway

The intertubercular sulcus is a vital anatomical structure responsible for guiding and protecting the long head of the biceps tendon. Understanding its function and the various conditions that can affect it is crucial for healthcare professionals and athletes alike. Early diagnosis and appropriate management are critical to minimize long-term complications and restore optimal arm function.


FAQs:

1. Q: Can a person live without a fully functioning biceps tendon in the intertubercular sulcus? A: Yes, but with significant loss of strength and functionality in the arm, particularly supination and flexion.


2. Q: Are there any anatomical variations of the intertubercular sulcus? A: Yes, the depth and width of the sulcus can vary between individuals. Some may have a shallower groove, increasing the risk of tendon instability.


3. Q: How does aging affect the intertubercular sulcus and the biceps tendon? A: With age, the tendon can degenerate and become more prone to injury. The surrounding tissues may also lose elasticity, potentially contributing to inflammation.


4. Q: What role does the transverse humeral ligament play in the stability of the biceps tendon? A: The transverse humeral ligament, spanning the intertubercular sulcus, helps hold the biceps tendon in place, preventing dislocation and enhancing its stability.


5. Q: What imaging modality is best for visualizing the intertubercular sulcus and its contents? A: MRI provides the most detailed images of soft tissues, including the biceps tendon, its sheath, and the surrounding ligaments within the intertubercular sulcus. Ultrasound can also be useful for assessing tendon integrity and fluid collections.

Links:

Converter Tool

Conversion Result:

=

Note: Conversion is based on the latest values and formulas.

Formatted Text:

she mails
98 inches in feet
core connections
101 kg to pounds
149 pounds kg
139 kg to lbs
47 celsius to fahrenheit
80 in to ft
800 grams to pounds
017kg to oz
38 cm to in
romani flag
41c to f
confront thesaurus
what is the biggest number in the world

Search Results:

Bicipital Groove - Anatomy, Structure, Function 29 Jan 2025 · The bicipital groove, a deep groove on the humerus also referred to as the intertubercular groove or sulcus intertubercular, separates the greater and lesser tubercles. It allows the long tendon of the biceps brachii muscle to pass through.

Intertubercular Groove - Earth's Lab 8 Aug 2018 · A deep intertubercular sulcus a.k.a. bicipital groove or intertubercular groove divides the lesser and greater tubercles and afterwards proceeds interiorly over the proximal shaft of the humerus. The tendon of the long head of the biceps brachii travels via this sulcus.

Intertubercular Groove – Definition, Location, Functions and Pictures The Intertubercular groove is a groove that separates the greater tubercles of the humerus from the lesser ones. This structure is also known by various other names, such as: Intertubercular groove of humerus; Bicipital groove of humerus; Intertubercular sulcus part …

Intertubercular sulcus - e-Anatomy - IMAIOS The greater and lesser tubercles of humerus are separated from each other by a deep groove, the intertubercular groove (bicipital groove), which lodges the long tendon of the Biceps brachii and transmits a branch of the anterior humeral circumflex artery to the shoulder-joint.

Intertubercular groove (sulcus) - (Anatomy and Physiology I The intertubercular groove, also known as the sulcus, is a long, narrow depression located on the humerus bone of the upper arm. It serves as a pathway for the tendon of the long head of the biceps brachii muscle to attach to the scapula.

Intertubercular Sulcus The intertubercular sulcus is a vital anatomical structure responsible for guiding and protecting the long head of the biceps tendon. Understanding its function and the various conditions that can affect it is crucial for healthcare professionals and athletes alike.

Understanding the Intertubercular Groove: Anatomy, Pathology, and ... 31 Jul 2024 · The intertubercular groove is a sulcus situated between the greater and lesser tubercles of the humerus. It serves as a channel for the LHBT, facilitating its smooth passage during shoulder movements. The groove is lined by a synovial …

Sulcus intertubercular - Medical Dictionary a furrow running down the shaft of the humerus between the two tubercles, lodging the tendon of the long head of the biceps, and giving attachment in its floor to the latissimus dorsi muscle. Synonym (s): intertubercular sulcus [TA], sulcus intertubercularis [TA]

Intertubercular Sulcus | Complete Anatomy - Elsevier The intertubercular sulcus (intertubercular groove or bicipital groove) is the vertical, longitudinal depression found on the anterolateral aspect of the proximal end of the humerus. It is located between the greater and lesser tubercles of the humerus and is bounded by the crests of …

Intertubercular sulcus - AnatomyZone 13 Dec 2020 · The intertubercular sulcus, also known as the intertubercular groove, or bicipital groove, is a groove separating the greater and lesser tubercles of the humerus. The tendon of the long head of the biceps muscle runs in this groove and attaches on …

Humerus: Anatomy and clinical notes - Kenhub 30 Oct 2023 · The intertubercular sulcus is an indentation located between the two tubercles. It is sometimes referred to as the bicipital groove . The long tendon of the biceps brachii and an ascending branch of the anterior circumflex humeral artery are located within the sulcus.

Bicipital groove - TCML - The Charsi of Medical Literature Intertubercular sulcus or Bicipital groove- It is described below into three points- Location, Attachment, and Content. 1. Location- • It is present on the upper end of the humerus bone, between greater and lesser tubercle (trochanter). (For detail see Figure-1) (NOTE: Greater and lesser trochanter are present on the upper end of Femur bone.) 2.

Dimensional Analysis of Intertubercular Sulcus in Adult Dry Humeri: The Intertubercular Sulcus (ITS) is a vertical concavity in the proximal end of humerus, located between the greater tubercle laterally and lesser tubercle medially [1,2]. It accommodates the Long Head of the Biceps Tendon (LHBT) and ascending branch of circumflex humeral artery [3,4].

Bicipital groove | Radiology Reference Article - Radiopaedia.org 5 Oct 2024 · The bicipital groove (also known as the intertubercular sulcus or sulcus intertubercularis) is the indentation between the greater and lesser tubercles of the humerus that lodges the biceps tendon.. Gross anatomy. The bicipital groove is typically 4-6 mm deep 1.. It contains the tendon of the long head of the biceps brachii muscle, which is ensheathed in a …

Bicipital groove | Radiology Reference Article - Radiopaedia.org 5 Oct 2024 · The bicipital groove (also known as the intertubercular sulcus or sulcus intertubercularis) is the indentation between the greater and lesser tubercles of the humerus that lodges the biceps tendon. The bicipital groove is typically 4-6 mm deep 1.

Sulcus intertubercularis - Medical Dictionary a furrow running down the shaft of the humerus between the two tubercles, lodging the tendon of the long head of the biceps, and giving attachment in its floor to the latissimus dorsi muscle. Synonym (s): intertubercular sulcus [TA], sulcus intertubercularis [TA]

The bicipital groove: radiographic, anatomic, and pathologic study Anatomical Analysis of Bicipital Groove and Its Spur Formation Using 3D-CT: A Retrospective Observational Study. Life 14:12, 1529. [Crossref] Kesar Khanna, Hina Nafees, Dilshad Ahmad Usmani, Sanjeev Kumar Jain, Sonika Sharma. 2024. Morphometric Study of Bicipital Groove in Dry Adult Human Cadaveric Humerus in Indian Population.

Intertubercular sulcus | definition of ... - Medical Dictionary a furrow running down the shaft of the humerus between the two tubercles, lodging the tendon of the long head of the biceps, and giving attachment in its floor to the latissimus dorsi muscle. Synonym (s): intertubercular sulcus [TA], sulcus intertubercularis [TA]

Bicipital Groove - Anatomy, Attachments, Function 21 Feb 2020 · The greater and lesser tubercles are divided by the bicipital groove, also known as the intertubercular groove or sulcus intertubercularis, a deep groove on the humerus. It permits the biceps brachii muscle’s long tendon to pass through.

Bicipital groove - Wikipedia The bicipital groove (intertubercular groove, sulcus intertubercularis) is a deep groove on the humerus that separates the greater tubercle from the lesser tubercle. It allows for the long tendon of the biceps brachii muscle to pass.