Low Thoracic Back Pain

Iliocostalis thoracis

Multifidi

Serratus posterior inferior

Rectus abdominis

Intercostals

Latissimus dorsi

Iliopsoas

Lumbar Pain

Longissimus thoracis

Iliocostalis lumborum

Iliocostalis thoracis

Multifidi

Rectus abdominis (2nd picture)

Sacral & Gluteal Pain

Longgissimus thoracis

Iliocostalis lumborum

Multifidi

Side of Chest Pain

Serratus Anterior

Intercostals

Latissimus dorsi 

Diaphragm

Front of Chest Pain

Pectoralis major  (2nd picture)

Pectoralis minor

Scaleni

Sternocleidomastoid (sternal)

Sternalis

Intercostals

Iliocostalis cervicis

Subclavius

External abdominal oblique

Diaphragm

Abdominal Pain

Rectus abdominis (2nd picture)

Abdominal obliques

Transversus abdominis

Iliocostalis thoracis

Multifidi

Pyramidalis

Quadratus lumborum

Lumbar Pain

Iliopsoas

Gluteus medius

Sacral & Gluteal Pain

Quadratus lumborum

Piriformis

Gluteus medius

Gluteus maximus

Levator ani

Obturator infernus

Gluteus minimus

Sphincter ani

Coccygeus

Soleus