Table 7 Number of studies describing structure treated in TLP region (percent of total)

lumbar multifidi

6 (8.45)

quadratus lumborum

9 (12.68)

gluteus medius

8 (11.27)

gluteus maximus

5 (7.04)

thoracic multifidi

2 (2.82)

thoracic paravertebrals

3 (4.23)

paravertebrals (unspecified)

2 (2.82)

piriformis

4 (5.64)

lower trapezius

2 (2.82)

latissmus dorsi

2 (2.82)

thoraco-lumbar iliocostalis

2 (2.82)

lumbar erector spinae

2 (2.82)

sacral multifidi

1 (1.41)

multifidi (unspecified)

1 (1.41)

psoas major

1 (1.41)

iliopsoas

2 (2.82)

gluteus minimus

3 (4.23)

gluteal muscles

1 (1.41)

tensor fasciae latae

2 (2.82)

hamstrings

1 (1.41)

rectus femoris

2 (2.82)

gastrocnemius

1 (1.41)

iliolumbar^a

1 (1.41)

transforaminal epidural

1 (1.41)

lumbar paravertebrals

1 (1.41)

pelvic ligaments (unspecified)

1 (1.41)

ribs

1 (1.41)

ischial tuberosity

1 (1.41)

unspecified thoracic or lumbar spinous processes

1 (1.41)

miscellaneous non-muscular structures

1 (1.41)

segmental myotomal points throughout the spine and lower extremity

1 (1.41)

Total conditions treated

71