Table 1 Regions and muscle groups assessed with MUS
From: Fasciculation differences between ALS and non-ALS patients: an ultrasound study
Regions | Muscle groups | Muscles |
|---|---|---|
Cervical | Proximal flexors in upper limb | Biceps brachii, brachialis |
Proximal extensors in upper limb | Triceps brachii | |
Distal flexors in upper limb | Flexor carpi radialis, palmaris longus, Flexor carpi ulnaris, flexor digitorum superficialis, flexor digitorum profundus | |
Distal extensors in upper limb | Extensor digitorum, extensor carpi radialis brevis, extensor carpi ulnaris, extensor pollicis longus, abductor pollicis longus | |
Lumbosacral | Proximal flexors in lower limb | Vastus lateralis, rectus femoris, vastus intermedius, tensor fasciae latae |
Proximal extensors in lower limb | Semitendinosus, semimembranosus, biceps femoris | |
Distal flexors in lower limb | Gastrocnemius, soleus, flexor hallucis longus, flexor digitorum longus, tibialis posterior | |
Distal extensors in lower limb | Tibialis anterior, extensor hallucis longus, extensor digitorum longus | |
Bulbar | Suprahyoid muscles | musculus digastricus, mylohyoid, geniohyoid, tongue muscle |
Thoracic | Paravertebral muscles | T10 paraspinal muscle |