Lecture 3: Anterior and Medial Thigh Flashcards
Types of isotonic muscle contraction: ____ – muscle shortening
____ – controlled lengthening
Types of isotonic muscle contraction: Concentric – muscle shortening Eccentric – controlled lengthening
Regions of the lower etremity
____ + ____ divide thigh and leg into muscular compartments
Deep fascia + Intermuscular septa divide thigh and leg into muscular compartments
Compartments of the thigh and leg
Arterial supply of ther lower extremitiy
2 or more deep veins accompany each artery – ____
2 or more deep veins accompany each artery – venae comitantes
Superficial veins are ____ to the ____
Independent of ____
Numerous ____ prevent ____
Clincial connection whate are dilated veins called
Superficial veins are superficial to the **deep fascia **
Independent of arteries
Numerous valves prevent backflow
Deep veins are deep to the deep fascia and ____
Deep veins are deep to the deep fascia and accompany major named arteries
Clinical note: When superficial inguinal lymph nodes are enlarged (XXX) examination should include their entire field of drainage: abdomen, perineum, superficial gluteal region, thigh, anteromedial leg, and medial foot.
Clinical note: When superficial inguinal lymph nodes are enlarged (lymphadenopathy) examination should include their entire field of drainage: abdomen, perineum, superficial gluteal region, thigh, anteromedial leg, and medial foot.
Lymph
____ Nodes to ____ to External Iliac notes to ______
Lumbar plexus ____
Major motor branches:
* ____ ____ Division
* ____ ____ Division
Lumbar plexus (L1-L4)
Major motor branches:
* Femoral n. (L2-L4) Posterior Division
* Obturator n. (L2-L4) Anterior Division
Major motor branches
* Sciatic n.
* ____ n. (____)
* ____ n. (____)
* ____ n . (____)
* ____ n. (____)
Major motor branches
Sciatic n.
tibial n. (L4-S3)
common fibular n. (L4-S2)
Superior glutealn. (L5-S1)
Inferior gluteal n. (L5-S2)
hip flexion L1, L2, L3, L4
hip adduction L2, L3, L4
knee extension L3, L4
ankle dorsiflexion L4, L5
ankle inversion L4, L5
ankle eversion L5, S1
MTP/IP extension L5, S1
hip medial rotation L5
hip lateral rotation L5, S1
hip abduction L5, S1
hip extension L5, S1, S2
knee flexion L5, S1
MTP/IP flexion L5, S1
ankle plantarflexion S1, S2
digit add/abduction S1, S2, S3
Navel
What’s in each of these compartments for the fem triangle
Lateral compartment -________ .
Intermediate compartment -________
Medial compartment:
________
Femoral Hernia
Loop of small intestine enters femoral canal via ______
Mass is palpable at the ____ -inferior to ____, inferolateral to
______
Hernia is bounded by ______ v. and ______
More common in females (broader pelvis)
Another cause of swelling at saphenous opening: saphenous varix - dilation of the great saphenous v. in the femoral triangle (consider when varicose veins are present)
Loop of small intestine enters femoral canal via femoral ring
Mass is palpable at the saphenous opening -inferior to inguinal ligament, inferolateral to
pubic tubercle
Hernia is bounded by femoral v. and lacunar ligament
More common in females (broader pelvis)
Another cause of swelling at saphenous opening: saphenous varix - dilation of the great saphenous v. in the femoral triangle (consider when varicose veins are present)
Arterial supply to compartment: Deep ______
Nerve supply to compartment:
______
(except psoas major: ______ )
Main actions of compartment muscles:
_____
Arterial supply to compartment: Deep femoral & femoral aa.
Nerve supply to compartment:
Femoral n.
(except psoas major: anterior rami L1-L3)
Main actions of compartment muscles:
**Hip Flexion and Knee Extension **
Illopsoas
PA
DA
ACT
INN
PA: T12-L5 vertebrae and iliac fossa
DA: Lesser trochanter of femur Act: Flex thigh
Inn: Psoas major: L1, L2, L3
Iliacus: Femoral n. (L2, L3)
Pectineus
PA
DA
ACT
INN
PA: Superior ramus of pubis DA: Pectineal line
Act: Flex and adduct thigh Inn: Femoral n. (L2, L3)
Sartorious
PA
DA
ACT
INN
PA: ASIS
DA: Superior medial part of tibia
Act: Flex, abduct & laterally rotate thigh;
Flex leg at knee Inn: Femoral n. (L2, L3)
Quad Femoris
PA
DA
ACT
INN
PA: Rectus femoris - AIIS
Vastus lateralis –lateral lip of linea aspera and greater trochanter Vastus medialis – medial lip of linea aspera and intertrochanteric line Vastus intermedius – anterior and lateral shaft of femur
DA: Patella via quadriceps tendon
tibial tuberosity via patellar ligament
Act: Extend leg at knee
Rectus femoris also flexes thigh
Inn: Femoral n. (L2, L3, L4)
Clinical note: ________ – Overuse of quadriceps in children (e.g., young athletes) can disrupt the ________ causing pain, inflammation, fracture of the tibial tuberosity.
Clinical note: Osgood- Schlatter Disease – Overuse of quadriceps in children (e.g., young athletes) can disrupt the epiphyseal plate of the tibial tuberosity causing pain, inflammation, fracture of the tibial tuberosity.
ANT thigh Nerves
Medial thigh
Arterial supply to compartment: ____ aa.
Nerve supply to compartment: ____ n.
(except adductor magnus hamstring portion: ______ n.)
Main action of compartment muscles: ______
Arterial supply to compartment:** Deep femoral & obturator** aa.
Nerve supply to compartment: Obturator n.
(except adductor magnus hamstring portion: tibial division of sciatic n.)
Main action of compartment muscles: Hip Adduction
Just know
