Triangle of auscultation
“LaTs”
Latissimus dorsi
Trapeius
Scapula (medial border)
Lumbar triangle
Aka petit’s triangle “LOOI” Latissimus dorsi Oblique, external Oblique, internal and TA (quadratus lumborum?) Iliac crest
Hernia of linea semilunaris
Spigelian hernia
Through the TA
Superior lumbar triangle
Aka Grynfeltt-Lesshaft triangle -actually, hernia is more common here, pero kasi deeper “QIRTE” M: Quadratus lumborum L: IO, posterior border S: Rib, 12th F: Transversalis fascia R: External oblique
Extrinsic superficial muscles
Produce and control limb movements Trapezius Latissimus dorsi Levator scapulae Rhomboids
Extrinsic intermediate muscles
Superficial respiratory muscles
Serratus posterior superior
Serratus posterior inferior
Intrinsic superficial muscles
Splenius cervicis
Splenius capitis
Intrinsic intermediate muscles
Erector spinae (Iliocostalis + longissimus + spinalis)
Intrinsic deep muscles
Transversospinalis
Semispinalis + multifidus + rotatores
Intrinsic minor deep muscles
Interspinales
Intertransversarii
Levatores costarum