This video is on the manifestations of lumbosacral radiculopathy, including the sensory, motor, and reflex deficits of pinched nerves of the lumbar and sacral plexuses.

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By https://www.scientificanimations.com https://www.scientificanimations.com/..., CC BYSA 4.0, https://commons.wikimedia.org/w/index...
L2L4
Patellar reflex deficit
Sensory loss over medial shin, anteromedial thigh
Weakness of hip flexion, hip adduction, knee extension
L5
Sensory loss over lateral shin; dorsum of the foot
Weakness of foot dorsiflexion, foot inversion, foot eversion, toe extension
S1
Achilles reflex deficit
Sensory loss over posterior calf; sole/lateral foot
Weakness of hip extension; knee flexion; foot plantar flexion
S2S4
Anocutaneous reflex deficit
Sensory loss over perinium
Weakness of incontinence (stool and urine); sexual dysfunction
By © User:Mono / Wikimedia Commons, a sister project of Wikipedia, CC BYSA 3.0, https://commons.wikimedia.org/w/index...
L5
Sensory loss over lateral shin; dorsum of the foot
Weakness of foot dorsiflexion, foot inversion, foot eversion, toe extension