| flexion | extension | lateral flexion | rotation | |
| rectus abdominis | X | X | ||
| external oblique | X | X | X | |
| internal oblique | X | X | X | |
| tranverse abdominis | compresses abdomen and stabilizes spine | |||
| erector spinae | X | |||
| multifidi | X | X | X | |
Thursday, January 12, 2012
Movement and Muscles at the Trunk
summary
