Tabular overview of the relevant key muscles and their nerve roots, as well as key reflexes:
| Nerve root |
Key muscle |
Key reflex |
| C5 |
Musculus deltoideus |
|
| C6 |
Musculus biceps brachii |
BSR |
| C7 |
Musculus triceps brachii |
TSR |
| C8 |
Hypothenar muscles |
Trömner reflex |
| L1 |
Musculus iliopsoas |
Cremasteric reflex |
| L2 |
Musculus iliopsoas |
Cremasteric reflex |
| L3 |
Musculus quadriceps femoris |
PSR |
| L4 |
Musculus tibialis anterior |
TPR |
| L5 |
Musculus extensor hallucis longus |
|
| S1 |
Musculus gastrocnemius |
ASR |