muscles

Question 1

Trunk flexion

Answer 1

• Rectus abdominus
• External oblique (bilateral)
• Internal oblique (bilateral)

Question 2

Right trunk rotation

Answer 2

• Right Internal oblique (ipsi)
• Left external oblique (contra)
• Left semispinalis (contra)
• Left multifidus (contra)

Question 3

Lateral flexion

Answer 3

• External oblique
• Internal oblique
• Semispinalis
• Multifidus
• quadratus lumborum

Question 4

Trunk extension

Answer 4

• Erector spinae group (bilateral)
• Transversospinalis group (bilateral)
• quadratus lumborum

Question 5

Left trunk rotation

Answer 5

-Left trunk rotation (ipsi)
-Right external oblique
-Right semispinalis
Right multifidus

Question 6

Erector spinae group (posterior)

Answer 6

Spinalis
Longissimus
Iliocostalis

Question 7

Transversospinalis group (posterior)

Answer 7

Semispinalis

Multifidus

Question 8

Adominal wall muscles (superficial to deep)

Answer 8

• Rectus abdominus
• External oblique
• Internal oblique
• Transverse abdominus