Random Flashcards
Groupings of Thigh Muscles
Medial, Anterior and Posterior
Grouping of Gluteal Muscles
Superficial, Deep
Grouping of Leg Muscles
Lateral, Posterior and Anterior
Muscle of Medial thigh innervated by…
Obturator nerve +
Cutaneuous Nerves of the leg
Dorsal Rami L1-L3 Dorsal Rami S1-S3 Lateral cutaneous nerve of the thigh Posterior cutaneous nerve of the thigh Obturator Nerve Femoral Nerve Sapehanous Nerve Medial sural nerve Lateral sural nerve Tibial sural nerve
Borders of the Posterior Triangle
•Anterior: Posterior border of the SCM.
•Posterior: Anterior border of the trapezius mm.
•Inferior: Middle 1/3 of the clavicle.
Floor: Cervical Fascia, Spelinus Capitus mm, Levator Scapulae, Scalene mms
Apex - Occipital bone(skull)
Posterior Triangle lies over axillary inlet
Associated with structures that pass into and out of the upper limb
Posterior Triangle - Sub Divisions
Occipital Triangle (top) Subclavian Triangle (bottom) Divided by Inferior belly of Omohyoid
Posterior Triangle - Veins
External Jugular Vein (crosses SCM - tributary to subclavian vein)
External Jugular Vein - Tributaries
Transeverse Cervical vein
Suprascapular vein
Anterior Jugular vein
Posterior Triangle - Arteries
Thyrocervical Trunk
Transverse Cervical aa
Suprascauplar aa
Posterior Triangle - nerves
Accessory nerve (up top) - heading to trapezius Greater and Lesser Occipital Nerves (up top) Phrenic Nerve (on top of/in btwn ant and mid scalene)
Posterior Triangle - Floor Muscles - Anterior to Posterior
Anterior Scalene, Middle Scalene, Posterior scalene (small/not visible) Levator Scapulae, Splenious Capitus.
Landmarks of Subclavian artery progessrion
Axillary - after lateral margin 1st rib
Brachial - after inferior border Teres Major
