S2, extended motor examination
Plantar flexion of the foot
M. gastrocnemius (N. tibialis)
Knee flexion
Hamstrings = M. semitendinosus + M. semimembranosus + M. biceps femoris (N. ischiadicus)
S2, extended sensory examination
Posterior upper part of the leg and posterior thigh
Other special tests for the back
- Thoracic intervertebral disc flexion
- Schober test
- Slump test
- N. femoralis stretch test (Reverse Lasegue)
- Lasegue test
- Skin reflex
- Key examinations in radiculopathy L2-S2
- Nerve root involvement L2
- Nerve root involvement L3
- Nerve root involvement L4
- Nerve root involvement L5
- Nerve root involvement S1
- Cauda equina syndrome