Which five muscles are excessively tight in the PEC?

• A. Latissimus dorsi, Quadratus lumborum, Serratus anterior, Posterior intercostals, Iliocostalis lumborum
• B. Latissimus dorsi, Quadratus lumborum, Serratus anterior, Posterior intercostals
• C. Latissimus dorsi, Quadratus lumborum, Posterior intercostals, Serratus posterior, Iliocostalis lumborum
• D. Trapezius, Gluteus medius, Iliopsoas, Serratus anterior

Answer: (C)