Nerves Flashcards
What is the root index, in relation to nerves?
The origin of the named nerve (e.g. Femoral Nerve = L2,3,4)
What is the Lumbar Plexus?
A web of nerves in the lumbar region of the body - it forms part of the lumbrosacral plexus
What is the Sacral Plexus?
A nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg and foot, and part of the pelvis
What is nerve t12 also known as?
Subcostal Nerve
Name this nerve
Femoral Nerve
What is the root index for the femoral nerve?
L2, 3, 4
what is the Cutaneous Nerve supply for the Femoral Nerve?
Anterior Thigh
(also goes into cutaneous Saphenous Nerve)
What muscles does the femoral nerve supply?
Anterior Thigh
- Vastus Lateralis
- Vastus Intermedialis
- Vastus Medialis
- Rectus Femoris
Also:
- Sartorius
- Psoas Major
- Iliacus
- Pectineus
What is the articular (joint) supply for the Femoral Nerve
- Knee
- Hip
What is the Root index for the Lateral Cutaneous Nerve of the Thigh?
L2, 3
What nerve is this?
Obturator Nerve
What is the Root index of the Obturator Nerve?
L2, 3, 4
What Cutaneous area does the Obturator Nerve supply?
Medial Thigh
What muscles does the Obturator Nerve supply?
Medial Thigh:
- Adductor Magnus
- Adductor Longus
- Adductor Brevis
- Gracilis
What Nerve is this
Sciatic Nerve
What is the root index for the Sciatic Nerve?
L4, 5,
S1, 2, 3
What cutaneous area does the Sciatic Nerve supply?
Posterior Thigh
Leg
What muscles does the Sciatic Nerve supply?
Posterior Thigh:
- Biceps Femoris
- Semitendinosis
- Semimembranosis
- Adductor Magnus
What Nerve is this
Tibial Nerve
What is the Root index of the Tibial Nerve?
L4, 5
S1, 2, 3
What Cutaneous area does the Tibial Nerve supply?
Leg Sural Nerve - branches from Tibial Nerve
Plantar Aspect of Foot:
Medial Plantar Nerve
Lateral Plantar Nerve
What Muscles does the Tibial Nerve supply?
Posterior Leg;
Superficial:
- Gastrocnemius
- Soleus
- Plantaris
Deep:
- Tibialis Posterior
- Flexor Digitorum Longus
- Flexor Hallucis Longus
What Nerve is this
Medial Plantar Nerve
What Cutaneous area does the Medial Plantar Nerve supply?
Medial part of plantar foot
What muscles does the Medial Plantar Nerve supply?
Flexor Digitorum Brevis
Flexor Hallucis Brevis
Abductor Hallucis
Medial Lumbrical
What Nerve is this
Lateral Plantar Nerve
What Cutaneous area does the Lateral Plantar Nerve supply?
Lateral Plantar foot
What muscles does the Lateral Plantar Nerve supply?
Adductor Hallucis
Abductor Digiti Minimi
Flexor Accessorious
4 Lumbricals
Flexor Digiti Minimi Brevis
4 Dorsal Interossei
3 Plantar Interossei
What Nerve is this
Sural Nerve
Fill in the gaps - Cutaneous Nerve supply regions
What Nerve is this
Common Peroneal (fibular) Nerve
What Nerve is this
Superficial Peroneal Nerve
What is the root index of the Superficial Peroneal Nerve?
L4, 5
S1
What cutaneous area does the Superficial Peronal Nerve supply?
Dorsum of foot (exluding medial aspect)
What Muscles does the Superficial Peroneal Nerve supply?
Lateral Leg:
- Peroneus Longus
- Peroneus Brevis
What is the root index of the Deep Peroneal Nerve?
L5
S1, 2,
What Cutaneous area does the Deep Peroneal Nerve supply?
Cleft between 1st and 2nd toes on the dorsum of the foot
What muscles does the Deep Peroneal Nerve supply?
Anterior Leg:
Tibialis Anterior
Extensor Digitorum Longus
Extensor Digitorum Brevis
Extensor Hallucis Longus
Peroneus Tertius
Complete the gaps for cutaneous nerve supply to the dorsum of the foot
What makes up the boundaries of the Femoral Triangle?
- Superior - Inguinal Ligament
- Lateral - Sartorius
- Medial - Adductor Longus
What muscles make up the border of the Femoral Triangle?
- Iliacus
- Psoas Major
- Pectineus
- Adductor Longus
What makes up the roof of the Femoral Triangle?
- Deep Fascia
- Superficial Fascia
- Skin
