Muscles of the thigh Flashcards
What are 2 convergence muscles that forms iliopsoas muscles
Psoas major muscle and Iliacus muscle
What is fascia lata?
Fascia lata
Thick connective tissue membrane around the thigh
Anchored superiorly to bone and tissue from anterior to posterior
Descends inferiorly and is continuous with deep fascia of the leg
The thickening of fascia lata laterally contributes to what?
Iliotibial tract
The iliotibial tract descends from where to where?
Descends to iliac crest tuberculum to lateral condyle of tibia
The iliotibial tract encloses which muscle anterior?
Tensor fasciae latae muscle
Name the muscle that inserts at iliotibial crest
Tensor fasciae latae muscles anterior
Gluteus maximus muscle from posterior
The origin, insertion, innervation and action of tensor fasciae latae muscle
Origin
Lateral aspect of the ilium
- Posterior to ASIS
Insertion
Iliotibial tract
Action
Stabilizes the knee joint when extended
Innervation
Superior gluteal nerve (L4 – S1)
Muscles of lower limbs are surrounded by?
Facia lata
The muscles of lower limbs are strengthened by ?
Iliotibial tract laterally
The are 3 compartments with 3 septa
name those compartment
Anterior( Quads)
Medial (Adductors)
Posterior (Hamstrings)
The origin, insertion, innervation and action of biceps femoris muscle
Origin
Long head
– Inferomedial surface of superior surface of ischial tuberosity
Short head
– Lateral lip of linea aspera of the femur
Insertion
Lateral surface of the head of the fibular
Action
Extension and lateral rotation of the hip joint
Flexion of the knee joint
Innervation
Sciatic nerve (L4 – S3)
- Long head (Tibial division)
- Short head (Common fibular division)
The origin, insertion, action and innervation of semitendinosus muscle
Origin
Inferomedial surface of the superior surface of the ischial tuberosity
- Together with the long head of the Biceps femoris muscle
Insertion
Medial surface of the proximal end of the tibia
Action
Extension of the hip joint
Flexion of the knee joint
Innervation
Tibial division of the Sciatic nerve (L4 – S3)
The origin, insertion, action and innervation of semimembranosus muscle
Origin
Superolateral impression on the ischial tuberosity
Insertion
Groove and adjacent bone
- Medial and posterior surfaces of the medial condyle of the tibia
Action
Extension of the hip joint
Flexion of the knee joint
Innervation
Tibial division of the Sciatic nerve (L4 – S3)
Which anterior rami forms scaitic nerve
Formed by the anterior rami of L4 – S4 spinal nerves
The sciatic nerve is formed along which wall?
posterolateral pelvic wall
Name the division of sciatic nerve
Common fibular and tibial divisions
Explain the common fibular
- Inferior and Superior gluteal nerve
- Nerve to piriformis
- Perforating cutaneous nerve
Explain the tibial division
Nerve to Quadratus femoris
- Nerve to Obturator internus
- Pudendal nerve
Posterior femoral cutaneous nerve is found under sciatic nerve true or false?
True
Name the origin, insertion, action and innevertion of pectineus muscle
Origin
Superior pubic ramus (Pectineal line)
Insertion
Posterior aspect of femur, inferior to lesser trochanter
Action
Adduction and flexion
Innervation
Femoral nerve (L2 - L4)
Name the origin, insertion, action and innervation of Satorius muscle
Longest muscle in the body
Origin
Anterior superior iliac spine
Insertion
Upper medial surface of the tibia
Action
Flexion of hip and knee joint and the lateral rotation
of the hip joint
Innervation
Femoral nerve (L2 - L4)
The origin, insertion, action and innervation of rectus femoris muscle
Origin
Straight head – Anterior Inferior Iliac Spine
Reflected head – Ilium, above the acetabulum
Insertion
Superior border of the patella
- Via the quadriceps tendon
Then inserts on tibial tuberosity
- Via the patella ligament
Action
Flexion of the hip and extension of the knee
Innervation
Femoral nerve (L2 - L4)
the origin, insertion, action and innervation vastus lateralis muscle
Origin
Lateral margin of intertrochanteric line and linea aspera
Lateral margin of gluteal tuberosity and greater trochanter
Insertion
Lateral aspect of the patella
- Via the quadriceps tendon
Then inserts on tibial tuberosity
- Via the patella ligament
Action
Flexion of the hip
Extension of the knee
Innervation
Femoral nerve (L2 - L4)
the origin, insertion, action and innervation vastus medialis muscle
Origin
Medial margin of intertrochanteric line and linea aspera
Pectineal line and medial supraconodylar line
Insertion
Medial aspect of the patella
- Via the quadriceps tendon
Then inserts on tibial tuberosity
- Via the patella ligament
Action
Extension of the knee
Innervation
Femoral nerve (L2 - L4)
The origin, insertion, action and innervated of vastus intermedius muscle
Origin
Upper ⅔ of the anterior and lateral surface of the femoral shaft
Insertion
Base of patella and posterior rectus femoris tendon
Quadriceps tendon (Tibial tuberosity
Action
Extension of the knee
Innervation
Femoral nerve (L2 - L4)
The insertion, origin, innervation and action of gracilis muscle
Origin
Body of the pubis and ischiopubic ramus
Insertion
Medial surface of the proximal shaft of the tibia
Action
Adduction of the hip
Flexion of the knee
Innervation
Obturator nerve (L2 - L4)
The origin, insertion, innervation and action of adductor longus muscle
Origin
External surface of the body of the pubis
Insertion
Linea aspera on middle ⅓ of femoral shaft
Action
Adduction and medial rotation of the hip
Innervation
Anterior division of the Obturator nerve (L2 - L4)
The origin, insertion, innervation and action of adductor brevis muscle
Origin
External surface of body of the pubis and ischiopubic ramus
Insertion
Posterior surface of the proximal surface of the femur
Upper third of the linea aspera
Action
Adduction and medial rotation of the hip
Innervation
Obturator nerve (L2 - L4)
The origin, insertion, innervation and action of adductor magnus muscle
Origin
Adductor part – Ischiopubic ramus
Hamstring part – Ischial tuberosity
Insertion
Adductor part
- Posterior surface of proximal femur and linea aspera
- Medial supracondylar line
Hamstring part
- Adductor tubercle
Action
Adductor part - Adduction at the hip joint
Hamstring part – Extension at the hip joint
Innervation
Adductor part – Obturator nerve (L2 – L4)
Hamstring part - Sciatic nerve (L4 – S3)
Explain the borders of femoral triangle
Borders
Base
- Inguinal ligament
Lateral border
- Medial border of the Sartorius muscle
Medial border
- Medial border of the Adductor longus muscle
The apex, floor and roof of femoral triangle
Apex
Where the muscles cross
Roof
Skin, fascia and the saphenous opening
Floor
Iliopsoas, pectineus and adductor longus
(Lateral to medial)
The content of femoris triangle
Contents
NAVEL (Lateral to medial)
- Only the femoral artery and vein lie
within the femoral sheath
The adductor canal extends from where
Adductor canal
Extends from the apex of the femoral triangle
The borders of adductor canal
Borders
Anteromedial/Roof – Sartorius muscle
Posterior border – Adductor longus and magnus muscles
Lateral border – Vastus medialis muscle
The content of adductor canal
Contents
Femoral artery and vein
Saphenous nerve
Ziyakhala ziyalila
🤣🤣🤣🤣😒😒😒😒😒😒😒
