Dog · Muscle · Thorax
Transverse pectoral muscle
Musculus pectoralis transversus
Adducts the forelimb.
- System
- Muscle
- Region
- Thorax
- 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
- The first two or three sternebrae.
- Insertion
- Humerus, along the ridge below its greater tubercle, spreading into the fascia of the forearm.
- Action
- Adducts the forelimb.
- Nerve
- Cranial pectoral nerves.
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
Caudal to and partly deep to the descending pectoral.
Bones it takes hold of
- Sternebrae
- Humerus
Muscles and ligaments it works with
Terminology
- English
- Transverse pectoral muscle
- Latin (NAV)
- Musculus pectoralis transversus
- 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 colli, trunci et membri thoracici (extrinsic muscles of the thoracic limb)
- Miller's Anatomy of the Dog, 5th ed.The Muscular System: muscles of the thoracic limb (extrinsic)
- König & LiebichMuscles of the thoracic limb
- Dyce, Sack & WensingThe forelimb of the carnivores