ArticleSurgical and radiologic anatomy : SRA2022
A proposal for a new classification of the long head of the biceps brachii.
Article in Surgical and radiologic anatomy : SRA, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- The Role of Arthroscopy in Contemporary Glenoid Fossa Fracture Fixation.Diagnostics (Basel, Switzerland) · 2024Review
- An unreported innervation of the coracobrachialis longus by the radial nerve: a potential pitfall for clinicians.Surgical and radiologic anatomy : SRA · 2023Article
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7 authors.
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Abstract
introductionThe anterior compartment of the arm consists of three muscles: the biceps brachii, brachialis and coracobrachialis. The aim of the present study was to characterize possible variations in the morphology of the proximal attachments of the long head of the biceps brachii and to propose an accurate classification of the area which can be useful for planning surgical procedures and planning rehabilitation in the region. MATERIALS AND
methodsEighty (40 left and 40 right, 40 female, 40 male) upper limbs fixed in 10% formalin solution were examined.
resultsThe main tendon of the long head of the biceps brachii demonstrated three types of attachment. The most common type, Type I (53.75%), was characterized by a single attachment only for the supraglenoid tubercle. Type III (33.75%) was characterized by a single attachment to the glenoid labrum. Type II (12.5%) was characterized by a double attachment to the glenoid labrum and the supraglenoid tubercle. Additionally, two types of the accessory tendon of the long head of the biceps brachii were identified (Type A-B). Type A (14 cases) was attached to the capsule of the humeral joint, and Type B (six cases) was attached to the greater tubercle of the humerus.
conclusionThe long head of the biceps brachii is characterized by high morphological variability. The new classification proposes three types of proximal attachment (I-III), with two types of accessory long head of the biceps brachii (A-B) tendon. A thorough understanding of the morphological variability of the long head of the biceps brachii is necessary when planning arthroscopic procedures or even planning rehabilitation procedures.
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