Back Extensors, Latissimus Dorsi, Rhomboids, Trapezius, Deltoid, Rotator Cuff, Supraspinatus, Infraspinatus, Teres Minor, Subscapularis, Rectus Abdominis, Transverse Abdominis, Internal Oblique, External Oblique, Linea Alba, Diaphragm, Intercostals, Pelvi

Back Extensors, Latissimus Dorsi, Rhomboids, Trapezius, Deltoid, Rotator Cuff, Supraspinatus, Infraspinatus, Teres Minor, Subscapularis, Rectus Abdominis, Transverse Abdominis, Internal Oblique, External Oblique, Linea Alba, Diaphragm, Intercostals, Pelvic Floor, Shoulder Movement, Prime Movers, Antagonists, Horizontal Abduction, Flexion, Rotation, Forced Expiration, Muscle Injury Exam Questions Verified and Complete with A+ Graded Rationales Latest Updated 2026 Which muscles are not prime movers of back extension? A. Spinalis msucles B. Longissimus muscles C. Iliocostalis muscles D. Latissimus dorsi muscles D. Latissimus dorsi muscles When breathing normally (not forced), which of the following muscles are you using? A. Internal intercostal B. Abdominals C. Diaphragm D. A and C C. Diaphragm Contraction of the abdominal muscles results in: A. Flexion of the vertebral column B. Extension of the vertebral column C. Rotation of the hip D. Forced inspiration A. Flexion of the vertebral column What muscle does not make up the rotator cuff? A. Supraspinatus B. Pectoralis major C. Infraspinatus D. Subscapularis B. Pectoralis major What muscles make up a "six-pack"? A. Internal oblique B. External oblique C. Transverse abdominis D. Rectus abdominis D. Rectus abdominis What muscles are activated when coughing, during bowel movements, and when giving birth? A. Internal oblique B. External oblique C. Transverse abdominis D. Rectus abdominis D. Rectus abdominis What muscle functions with the pelvic floor? A. Internal oblique B. External oblique C. Transverse abdominis D. Rectus abdominis C. Transverse abdominis Which of the following does not have fibrous connections that create a sheath? A. Internal oblique B. External oblique C. Transverse abdominis D. Rectus abdominis D. Rectus abdominis Which muscle is similar to a corset? A. Internal oblique B. External oblique C. Transverse abdominis D. Rectus abdominis C. transverse abdominis Which is located closer to the skin? A. Internal oblique B. Transverse abdominis A. Internal oblique Which muscle is an opposing force to the diaphragm? A. External intercostal B. Internal intercostal C. Internal oblique D. External oblique C. Internal oblique Also known as "same side rotators" A. Internal oblique