Vetomica
Create free account

Dog · Muscle · Thoracic limb

Biceps muscle of the arm

Musculus biceps brachii

Flexes the elbow and extends the shoulder; stabilises the shoulder when bearing weight.

System
Muscle
Region
Thoracic limb
Sides
Paired: left and right

Where it runs from and to

A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.

Origin
Single tendon from the supraglenoid tubercle, running through the intertubercular groove.
Insertion
Radial tuberosity and the ulnar tuberosity on the medial side of the proximal forearm.
Action
Flexes the elbow and extends the shoulder; stabilises the shoulder when bearing weight.
Nerve
Musculocutaneous nerve.

Written for Vetomica in its own words from the standard reference anatomy of the dog; the books it was checked against are listed below.

What it works on

Cranial arm; tendon of origin runs in the intertubercular groove under the transverse retinaculum.

Bones it takes hold of

Muscles and ligaments it works with

Terminology

English
Biceps muscle of the arm
Latin (NAV)
Musculus biceps brachii
Status
A valid term in the Nomina Anatomica Veterinaria

References

Where to read this structure in full, and where the named parts above were read.

  • NAV 2017Myologia: musculi membri thoracici
  • Miller's Anatomy of the Dog, 5th ed.The Muscular System: muscles of the thoracic limb
  • König & LiebichMuscles of the thoracic limb
  • Dyce, Sack & WensingThe forelimb of the carnivores