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Spinal segments innervating muscles of the lower extremity 2
Regarding the muscles of the lower extremity, which of the following muscles typically receives innervation from the S2 spinal segment
 



Online Course Content



C8
Spinal Root: C8Muscles Innervated:    flexor digitorum superficialis    abductor pollicis brevis    opponens pollicis    pronator quadratus    flexor digitorum profundus to digit 2    flexor digitorum profundus to digit 3    flexor pollicis brevis    flexor...
 
Upper Extremity
    abductor digiti minimi    abductor pollicis brevis    anconeus    biceps brachii       brachioradialis    deltoid    extensor carpi radialis longus    extensor carpi ulnaris    extensor digitorum    extensor indicis    extensor pollicis longus    extensor...
 
Upper Extremity Nerve Conduction Studies
MotorAxillary Motor Nerve - recording the Deltoid  Median and Ulnar motor nerves- Recording the 2nd Lumbrical and interossei Median Motor Study - Recording the Abductor Pollicis Brevis Musculocutaneous Motor Nerve - recording the Biceps  Radial Motor Nerve...
 
Motor Nerve Conduction Studies
Axillary Axillary Motor Nerve - recording the DeltoidFacial Facial Motor Nerve – recording the Orbicularis OculiFemoralFemoral Motor Nerve - recording the Rectus FemorisMedian Median Palmar Mixed Nerve (orthodromic) Median Motor Study - Recording the...
 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating at axilla (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating at axilla (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating at Erb's point (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating at Erb's point (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating at Erb's point (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating at Erb's point (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating proximal to elbow (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating distal to elbow (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating distal to elbow (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM), stimulating at wrist (image)

 
All Nerves
A list of all nerves commonly tested in alphabetic order.Axillary Axillary Motor Nerve - recording the DeltoidBlink Blink Reflexes – recording the Orbicularis OculiF-waves F-WavesFacial Facial Motor Nerve – recording the Orbicularis OculiFemoralFemoral...
 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM)
Origin:  C8-T1 roots, lower trunk and medial cord of the brachial plexus, ulnar nerveRecording Site:  Abductor Digiti Minimi muscle (ADM)Reference Site:  Base of little fingerGround:  Palm or top of handStimulation Sites:  Wrist, below elbow and above elbow...
 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM) (image)

 
All Muscles
Muscles:    abductor digiti minimi    abductor pollicis brevis    anconeus    biceps brachii    brachioradialis    cervical paraspinal muscles    deltoid     extensor carpi radialis longus     extensor carpi ulnaris    extensor digitorum    extensor indicis...
 
Abductor Digiti Quinti Pedis
Muscle Name: abductor digiti quinti pedisAKA:  Abductor digiti minimi pedis, Abductor minimi digiti, Abductor digiti quinti, musculus abductor digiti minimi pedisAbbreviation: ADQPSpinal Nerve Roots:    S1    S2Plexus:    lumbosacral plexusNamed Nerves:   ...
 
Other Upper Extremity Mononeuropathies (Axillary, Musculocutaneous, Suprascapular, Spinal Accessory, etc…)
Nerve Conductions Studies Median sensory recording the index and middle fingers.Ulnar sensory recording the ring finger. Radial sensory recording the dorsal thumb.Lateral antebrachial cutaneous sensory recording the forearm.Median motor recording the abductor pollicis brevis with F-Waves...
 
Radial Mononeuropathy
Nerve Conductions Studies Median sensory recording the index and middle fingers. Ulnar sensory recording the ring finger.  Radial sensory recording the bilateral dorsal thumbs.Median motor recording the abductor pollicis brevis with F-Waves.Ulnar motor recording...
 
Neck/Arm pain and root search
Nerve Conductions StudiesMedian sensory recording the index and middle fingers. Ulnar sensory recording the ring finger.  Radial sensory recording the dorsal thumb.Median motor recording the abductor pollicis brevis with F-Waves.Ulnar motor recording the abductor...
 
Ulnar Mononeuropathy
Median sensory recording index and middle  fingers.Ulnar sensory recording the llittle  finger.Radial sensory recording the dorsal thumb.Dorsal Ulnar sensory recording the dorsum of the handMedian motor recording the abductor pollicis brevis with F-Waves.Ulnar...
 
All Nerves
A list of all nerves commonly tested in alphabetic order.Axillary Axillary Motor Nerve - recording the DeltoidBlink Blink Reflexes – recording the Orbicularis OculiF-waves F-WavesFacial Facial Motor Nerve – recording the Orbicularis OculiFemoralFemoral...
 
Carpal Tunnel Syndrome
Nerve Conductions StudiesMedian sensory recording the  index and middle  fingers. Ulnar sensory recording the llittle finger.Radial sensory recording the dorsal thumb. Median motor recording the abductor pollicis brevis with F-Waves. Ulnar motormotor recording...
 
Brachial Plexopathy (including Thoracic Outlet Syndrome)
Brachial Plexopathy (including Thoracic Outlet Syndrome)Median sensory recording the bilateral  index and middle fingers.Median sensory recording the bilateral thumbs.Ulnar sensory recording the bilateral llittle fingers.Radial sensory recording the bilateral dorsal thumbs...
 
Upper Extremity Nerve Conduction Studies
MotorAxillary Motor Nerve - recording the Deltoid  Median and Ulnar motor nerves- Recording the 2nd Lumbrical and interossei Median Motor Study - Recording the Abductor Pollicis Brevis Musculocutaneous Motor Nerve - recording the Biceps  Radial Motor Nerve...
 
Motor Nerve Conduction Studies
Axillary Axillary Motor Nerve - recording the DeltoidFacial Facial Motor Nerve – recording the Orbicularis OculiFemoralFemoral Motor Nerve - recording the Rectus FemorisMedian Median Palmar Mixed Nerve (orthodromic) Median Motor Study - Recording the...
 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM) (image)

 
Ulnar Motor Nerve - Recording the Abductor Digiti Minimi (ADM)
Origin:  C8-T1 roots, lower trunk and medial cord of the brachial plexus, ulnar nerveRecording Site:  Abductor Digiti Minimi muscle (ADM)Reference Site:  Base of little fingerGround:  Palm or top of handStimulation Sites:  Wrist, below elbow and above elbow...
 
Abductor Digiti Minimi
Muscle Name: abductor digiti minimiAKA:  musculus abductor digiti minimi manusAbbreviation:  ADMSpinal Nerve Roots:    C8    T1Brachial Plexus Trunks:    lower trunkBrachial Plexus Cords:    medial cordNamed Nerves:    ulnar nerveProximal Attachment:  pisiformDistal...
 
Medial Cord of the Brachial Plexus
Cord: Medial CordMuscles Innervated:    flexor digitorum superficialis    abductor pollicis brevis    opponens pollicis    pronator quadratus    flexor digitorum profundus to digit 2    flexor digitorum profundus to digit 3    flexor pollicis brevis    flexor...
 
Lower Trunk of the Brachial Plexus
Trunk: Lower TrunkSpinal Segments:C8, T1Muscles Innervated:    flexor digitorum superficialis    abductor pollicis brevis    opponens pollicis    pronator quadratus    flexor digitorum profundus to digit 2    flexor digitorum profundus to digit 3    flexor...
 
T1
Spinal Root: T1Muscles Innervated:    flexor digitorum superficialis    abductor pollicis brevis    opponens pollicis    pronator quadratus    flexor digitorum profundus to digit 2    flexor digitorum profundus to digit 3    flexor pollicis brevis    flexor...
 
Abductor Digiti Minimi EMG Technique (video)

 
Abductor Digiti Minimi - Highlighted (image)

 
Abductor Digiti Minimi (image)

 
Abductor Digiti Minimi Surface View with arrow (image)

 
Abductor Digiti Minimi Surface View (image)

 
Ulnar Nerve
Nerve: Ulnar NerveMuscles Innervated:    flexor pollicis brevis    flexor carpi ulnaris    flexor digitorum profundus to digit 4    flexor digitorum profundus to digit 5    abductor digiti minimi    first dorsal interosseous
 



Gallery Images



Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - Recording th

 
Ulnar Motor Nerve - ADM 2

 
Ulnar Motor Nerve - Recording th

 
Abductor Digiti Minimi - Highlig

 
Abductor Digiti Minimi Surface V

 
Abductor Digiti Minimi Surface V