Anatomy Lab Exam 1 (WSU Biology 315) Questions And Answers Solved 100% Correct!!

Thoracic Wall - Answer-These are Muscles of the Rib Cage External Intercostals - Answer-Slant Downward and Forward Between Ribs Internal Intercostals - Answer-Slant Downward and Outward. Depress Ribs when You Forcefully Breathe Out External Oblique - Answer-Slants Same Direction as External Intercostals Inguinal Ligament - Answer-The Thick Inferior Edge of the EO Aponeurosis. An Important Land-mark in the "Groin" Internal Oblique - Answer-Slants Same Direction as Internal Intercostal. Under the External Oblique Transversus Abdominis - Answer-Last Layer Fascicles Run Horizontally Aponeuroses - Answer-Strong Flat Tendons Linea Alba - Answer-White Line Rectus Abdominis - Answer-Fascicles Run Vertically. Flexes the Vertebral Column (So You Can Do Sit-UP) Tendinous Intersections - Answer-Usually Three - They Break the Muscle into Segments and Form the "Six Pack" Rectus Sheaths - Answer-Covers the Six PackPectoral Regions - Answer-Chest Pectoralis Major - Answer-Top Lay (BIG) Pectoralis Minor - Answer-Attaches the Scapula to the Ribs Second Layer Serratus Anterior - Answer-Saw. Think of the Teeth is a Saw. Attaches the Medial Border of the Scapula to the Ribs Trapezius - Answer-Name this Muscles Descending Part of the Trapezius - Answer-Elevates the Scapula Transverse Part of the Trapezius - Answer-Retracts the Scapula