Chapter 3 - Major Muscles that Act at the Spine

Question 1

Rectus Abdominis
1 - What is the primary function?
2 - Selected Exercises that target the muscle

Answer 1

1 - Flexion and lateral flexion of the trunk
2 - Bent Knee sit ups, partial curl ups, pelvic tilts

Question 2

External Oblique
1 - What is the primary function?
2 - Selected Exercises that target the muscle

Answer 2

1 - contralateral rotation, lateral flexion, and forward flexion (both sides)
2 - Twising bent knee curl ups (rotation opposite) and curl ups

Question 3

Internal Oblique
1 - What is the primary function?
2 - Selected Exercises that target the muscle

Answer 3

1 - Ipsilateral rotation, lateral flexion, and forward flexion (both sides)
2 - Twisting bent knee curl ups (rotation same side) and curl-ups

Question 4

Transverse Abdonminis
1 - What is the primary function?
2 - Selected Exercises that target the muscle

Answer 4

1 - compresses abdomen
2 - Prone plank, abdominal bracing

Question 5

Erector Spinae
1 - What is the primary function?
2 - Selected Exercises that target the muscle

Answer 5

1 - Extension ( both sides) and lateral flexion
2 - Squat, dead lift, prone back extension exercises

Question 6

Multifidi
1 - What is the primary function?
2 - Selected Exercises that target the muscle

Answer 6

1 - Contributes to spinal stability during trunk extension, rotation, and side bending
2 - Bird Dog