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Dog · Muscle · Pelvic limb

Semitendinosus

Musculus semitendinosus

Extends hip and tarsus and flexes the stifle.

System
Muscle
Region
Pelvic limb
Sides
Paired: left and right
Named parts
2

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
Ventral part of the ischiatic tuberosity.
Insertion
Medial tibial shaft by an aponeurosis, with a further band joining the calcanean tendon.
Action
Extends hip and tarsus and flexes the stifle.
Nerve
Sciatic 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.

Named parts

The parts of this muscle the books name separately, and what each is called in the Nomina Anatomica Veterinaria.

Proximal part
The belly above the tendinous inscription that crosses the muscle.Miller 2020, p. 612
Distal part
The belly below that inscription, which carries the muscle to the tibia and the calcaneal tendon.Miller 2020, p. 612

What it works on

Caudal thigh, between biceps femoris and semimembranosus.

Bones it takes hold of

Muscles and ligaments it works with

Terminology

English
Semitendinosus
Latin (NAV)
Musculus semitendinosus
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 pelvini
  • Miller's Anatomy of the Dog, 5th ed.The Muscular System: muscles of the pelvic limb
  • König & LiebichMuscles of the pelvic limb
  • Dyce, Sack & WensingThe hindlimb of the carnivores
  • Miller 2020 (book pass)ch. 6 The Muscular System, PDF p. 613