MSK (lower limb) Flashcards
Gluteal region
Superficial muscle group
Action? (3)
Thigh extension
Thigh abduction
Medial rotation of the thigh
Gluteal region
Superficial muscle group
Innervation?
Gluteal nerves
Gluteus maximus by inferior gluteal nerve
What nerve innervated gluteus maximus?
Inferior gluteal nerve
What cause Trendelenburg’s gait?
Failure of the superficial muscle group of the gluteal region
Gluteal region
Deep muscle group
Action? (2)
Lateral rotation of the thigh
Hip stabilisers
Gluteal region
Deep muscle group
Innervation?
Nerves from the sacral plexus
Sciatic nerve
Spinal level?
Innervation?
L4-S3
Posterior thigh
All muscles of the leg and foot
Most the skin of the lower limb
Pudendal nerve
Spinal level?
Innervation?
S2-S4
Principal nerve to the perineum
Posterior cutaneous nerve of the thigh
Spinal level?
Innervation?
S1-S3 Skin over posterior thigh Popliteal fossa Lateral perineum Upper medial thigh
What are the boundaries of the femoral triangle?
Superior, medial, lateral, floor and roof
Superior: Inguinal ligament Medially: Adductor longus Lateraly: Sartorius Floor: Iliopsoas and pectineus Roof: Fascia lata
What is the content of the femoral triangle?
Femoral nerve (Most lateral)
Femoral artery
Femoral vein
Lymph (Most medial)
Thigh
Anterior compartment
Action? (1 + exception)
Flexors of the thigh
Quadriceps femoris which is an extensor of the leg
What 4 muscles form the quadriceps femoris?
Rectus femoris
Vastus laterallis
Vastus mediallis
Vastus intermedius
Thigh
Anterior compartment
Innervation?
Femoral nerve
Psoas major by L1, L2, L3
Thigh
Medial compartment
Action? (1)
Adduction of the thigh
Thigh
Medial compartment
Innervation?
Obturator nerve
Adductor magnus by tibial nerve
What spine levels form the femoral nerve?
L2-L4
What spine levels form the obturator nerve?
L2-L4
Thigh
Posterior compartment
Action? (2)
Extensors of the thigh
Flexors of the leg
Thigh
Posterior compartment
Innervation?
Tibial division of the sciatic nerve
Short head of biceps femoris by common fibular division of the sciatic nerve
Leg
Anterior compartment
Action? (2)
Dorsiflexion of the ankle
Extension of the toes
Leg
Anterior compartment
Innervation?
Deep fibular nerve
What spine levels form the tibial division of the sciatic nerve?
L5-S2
What spine levels form the deep fibular nerve?
L4-L5
Leg
Lateral compartment
Action? (2)
Foot eversion
Plantarflexion of the ankle (minor)
Leg
Lateral compartment
Innervation?
Superficial fibular nerve
What spine levels form the superficial fibular nerve?
L5-S2
Leg
Posterior compartment Superficial group
Action?
Plantarflexion of the ankle
Leg
Posterior compartment
Superficial group
Innervation?
Tibial nerve
What spine levels form the tibial nerve?
S1-S2
What muscles tendons form the calcaneal tendon?
Gastrocnemius
Soleus
What is the common name for the calcaneal tendon?
Achillies tendon
Leg
Posterior compartment
Deep group
Action? (2)
Flexors of toes
Plantarflexion of the ankle
Leg
Posterior compartment
Deep group
Innervation?
Tibial nerve
What spine levels form the tibial nerve?
S1-S2
What movements happen at the hip joint? (4)
Flexion-extension
Abduction-adduction
Medial-lateral rotation
Circumduction
What 3 ligaments form the hip joint capsule?
Ilofemoral
Pubofemoral
Ischiofemoral
What is the intracapsular ligament of the hip?
Ligamentum teres
AKA ligament to head of femur
What are the 6 major soft tissue structures associated with the knee?
Medial and lateral meniscus ACL PCL Quadriceps tendon Patella tendon
What are the boundaries of the popliteal fossa?
Superolateral, superomedial, inferior and roof
Superolaterally: biceps femoris
Supromedially: semimembranous
Inferiorly: gastrocnemius
Roof: popliteal fascia
What are the content of the popliteal fossa?
Popliteal artery
Popliteal vein
Tibial nerve
Common fibular nerve