Muscle Name: flexor hallucis brevis
AKA: musculus flexor hallucis brevis
Abbreviation: FHB
Spinal Nerve Roots:
S1
S2
Plexus:
lumbosacral plexus
Named Nerves:
medial plantar nerve
tibial nerve
sciatic nerve
Proximal Attachment: lantar surface of cuboid
Distal Attachment: medial and lateral sesamoid bones of first metatarsal
Action: Flexion of the halux and stabilize the great to at "toe off".
Needle Insertion: On the medial aspect of the foot approximately one centimeters proximal to the metatrarsalphalnageal joint of the great toe.
Activation for EMG: Have the patient flext the big toe.
Pitfalls:
Notes: