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long head of biceps brachii

capus longum of biceps brachii

Origin at the supraglenoid tubercle, just above the shoulder joint, distinguishes the long head of biceps brachii from its short head. Its tendon passes down along the intertubercular groove of the humerus and into the joint capsule of the shoulder, so the tendon runs an intra-articular course before entering the arm. While the humerus is in motion, the greater and lesser tubercles together with the overlying transverse humeral ligament hold the tendon firmly within the groove. During movement from external to internal rotation the tendon is forced medially against the lesser tubercle and superiorly against the transverse ligament, so the restraints that stabilise it also bear load against it through the rotational range.

The long head originates on the supraglenoid tubercle just above the shoulder joint from where its tendon passes down along the intertubercular groove of the humerus into the joint capsule of the shoulder joint. [1] When the humerus is in motion, the tendon of the long head is held firmly in place in the intertubercular groove by the greater and lesser tubercles and the overlying transverse humeral ligament. During the motion from external to internal rotation, the tendon is forced medially against the lesser tubercle and superiorly against the transverse ligament.

On this page
Type Ligament
Body System Muscular
Latin Name capus longum of biceps brachii
FMA ID 37683

Frequently Asked Questions

What is the long head of biceps brachii?

The long head originates on the supraglenoid tubercle just above the shoulder joint from where its tendon passes down along the intertubercular groove of the humerus into the joint capsule of the shoulder joint. [1] When the humerus is in motion, the tendon of the long head is held firmly in place i

What body system is the long head of biceps brachii part of?

The long head of biceps brachii is part of the Muscular.

What is the Latin name for the long head of biceps brachii?

The Latin name for the long head of biceps brachii is capus longum of biceps brachii.

References

  1. Foundational Model of Anatomy — FMA:37683 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0007168 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)
  3. Wikidata — Q28792036 Structured knowledge base cross-reference

Medical Disclaimer

This content is for educational and informational purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.