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Gross Anatomy > Lower Extremity GA2 (Thigh Region) > Flashcards

Lower Extremity GA2 (Thigh Region) Flashcards

1
Q

Anterior Compartment

A

Pectineus M.
Iliopsoas M.
(Psoas Major M./
Psoas Minor M./
Iliacus M.)
Sartorious M.

Rectus Femoris m. (quadriceps femoris)
Vastus Lateralis m. (quadriceps femoris)
Vastus Medialis m. (quadriceps femoris)
Vastus intermedius m. (quadriceps femoris)

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2
Q

Pectineus M
(anterior compartment)

A

Attach: Superior Ramus of pubis TO pectineal line of femur , inferior to lesser trochanter

Mvmnt: Adducts and flexes thigh (assist in medial rotation)

Innervation: Femoral Nerve (L2,L3,L4)

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3
Q

Psoas Major m.
(iliopsoas)
(anterior compartment)

A

Attach: Sides of T12 - L5 vertebrae and discs between them , transverse processes of all lumar vertebrae TO Lesser trochanter of femur

Mvmnt: Flexing thigh at hip joint + stabilization of jt // ((Trunk flexion + extend lumbar lordosis (Mr.Perez))

Innervation: Anterior Rami of Lumbar Nerves (L1,L2,L3)

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4
Q

Psoas minor m.
(iliopsoas)
(anterior compartment)

A

Attach: Sides of T12-L1 vertebrae and intervertebral discs TO Pectineal line and iliopubic eminence via iliopectineal arch

Mvmnt: Flexing thigh at hip joint + stabilization of jt

Innervation: Anterior Rami of Lumbar Nerves (L1,L2)

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5
Q

Iliacus m.
(Iliopsoas)
(anterior compartment)

A

Attach: Iliac crest , iliac fossa, ala of sacrum, and anterior sacro-iliac ligaments TO Tendon of psoas major m. , lesser trochanter , and femur distal to it

Mvmnt: Flexing thigh at hip joint and stabilization of hip jt.

Innervation: Femoral Nerve (L2,L3,L4)

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6
Q

Sartorious Muscle
(anterior compartment)

A

Attach: Anterior Superior Iliac spine (ASIS) and superior part of notch inferior to it TO superior part of medial surface of tibia

Mvmnt: Flexes , abducts, and laterally rotates thigh at hip joint
Flexes leg at knee joint (medially rotating leg when knee is flexed)

(since it crosses knee it has a function at the knee)

Innervation: Femoral Nerve (L2,L3,L4)

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7
Q

Rectus Femoris m.
(quadriceps femoris)
(Anterior Compartment)
(superficial)

A

Attach: Anterior Inferior Iliac Spine (AIIS) and Ilium superior to acetabulum TO common tendinous (quadriceps tendon) and independent attatchments of base of patella (patellar ligament) to tibial tuberosity , medial and lateral vasti to tibia and patella via aponeuroses

Mvmnt: Extend Leg at knee joint , steadies hip joint and help iliopsoas flex thigh

Innervation: Femoral Nerve (L2,L3,L4)

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8
Q

Vastus Lateralis m.
(quadriceps femoris)
(Anterior Compartment)
(lateral to femur)

A

Attach: Greater trochanter and lateral lip of linea aspera of femur TO common tendinous (quadriceps tendon) and independent attatchments of base of patella (patellar ligament) to tibial tuberosity , medial and lateral vasti to tibia and patella via aponeuroses

Mvmnt: Extends leg at knee joint

Innervation: Femoral Nerve (L2,L3,L4)

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9
Q

Vastus Medialis m.
(quadriceps femoris)
(Anterior Compartment)
(Medial to femur)

A

Attach: Intertrochanteric line and medial lip of linea aspera of femur TO common tendinous (quadriceps tendon) and independent attatchments of base of patella (patellar ligament) to tibial tuberosity , medial and lateral vasti to tibia and patella via aponeuroses

Mvmnt: Extend leg at knee joint

Innervation: Femoral Nerve (L2,L3,L4)

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10
Q

Vastus Intermedius m.
(quadriceps femoris)
(Anterior Compartment)
(Under rectus femoris)

A

Attach: Anterior and lateral surfaces of shaft of femur TO common tendinous (quadriceps tendon) and independent attatchments of base of patella (patellar ligament) to tibial tuberosity , medial and lateral vasti to tibia and patella via aponeuroses

Mvmnt: Extend Leg at knee joint

Innervation: Femoral Nerve (L2,L3,L4)

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11
Q

What is angle of inclination?

A

Created intersection between head and neck of femur / shaft of femur

Angle ranges from 116-140 degrees
Average is 126 degrees

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12
Q

What is Torsion Angle?

A

The intersection of angle of inclination

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13
Q

What is the angle of Coxa Valga?

A

> 140 Degrees

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14
Q

What is the angle of Coxa Vara?

A

< 126 Degrees

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15
Q

What are the boundaries of thigh region?

A

Anterior : Inguinal Ligament to the knee
Medially: Inferior Pubic Ramus to Knee
Posteriorlly: Gluteal Fold to Knee Posteriorlly
Laterally: Hip Joint to Knee

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16
Q

Contents of the anterior compartment

A

Nerve
Artery
Vein

Saphenous Nerve
Lateral Femoral Cutaneous Nerve

17
Q

What are the Borders of the Femoral Triangle?

A

Superior: Inguinal Ligament
Lateral: Sartorious Muscle
Medial: Adductor Longus Muscle
Inferiorly: Junction of Sartorious and Adductor Longus
Floor: Iliopsoas and pectineus muscle

INSIDE: Neuromuscular Bundle

18
Q

What are the contents of the Femoral Triangle?

A

Femoral Vein (most medial)
Femoral Artery (Middle)
Femoral Nerve (Most lateral)

NAVEL
(nerve, artery, vein, empty space, lymph nodes)

19
Q

What are the borders of the femoral artery?

A

Prox (Start): Below inguinal ligament
Distal (End): Adductor Hiatus (popliteal artery)

20
Q

What is the contiuation of the femoral artery called?

A

Popliteal Artery

21
Q

Pathway from abdominal aorta to the femoral artery?

A

Abdominal aorta, common iliac, external iliac , femoral artery

22
Q

Adductor compartment Muscles

A

Adductor Longus m.
Adductor Brevis m.
Adductor Magnus m.
Gracilis m.
Obturator Externus m.

23
Q

Adductor Longus m.
(Adductor compartment)

A

Attach: Body of pubis inferior to pubic crest TO Middle third of linea aspera of femur

Mvmnt:Adducts thigh

Innervation:Obturator Nerve and Branch of anterior division (L2, L3, L4)

24
Q

Adductor Brevis m.
(Adductor compartment)

A

Attach: Body and inferior ramus of pubis TO pectineal line and proximal part of linea aspera of femur

Mvmnt: Adducts thigh (some extent flexes it)

Innervation:Obturator Nerve and Branch of anterior division (L2, L3, L4)

25
Q

Adductor Magnus m.
(Adductor compartment)

A

Attach:
Adductor part: inferior ramus of pubis and ramus of ishium TO gluteal tuberosity , linea aspera, and medial supracondylar line

Hamstring Part: Ischial tuberosity TO adductor tubercle of femur

Mvmnt:Adduct thigh
Adductor part: flexes thigh
Hamstring part: extends thigh

Innervation: Adductor part: Obturator Nerve (L2,L3,L4) and branches of the posterior division

Hamstring Part: Tibial part of sciatic nerve ( L4)

26
Q

Gracilis m.
(Adductor compartment)

A

Attach: Body and inferior ramus of pubis TO superior part of medial surface of tibia

Mvmnt: Adducts thigh , flexes leg , helps rotate leg medially

Innervation: Obturator nerve (L2-L4)

27
Q

Obturator Externus m.
(Adductor compartment)

A

Attach: Margins of obturator foramen and obturator membrane TO trochanteric fossa of femur

Mvmnt: Laterally rotates thigh steadies head of femur in acetabulum

Innervation: Obturator Nerve (L2-L4)

28
Q

Muscles of the posterior compartment of thigh

A

Semitendinosus m
semimembranosus m
Biceps femoris m.

29
Q

Semitendinosus m.
(Posterior Compartment)

A

Attach: ischial tuberosity TO medial surface of superior part of tibia

Mvmnt: Extends thigh , flex leg and rotate it medially when knee is flexed

When thigh AND leg are flexed then it extends trunk

Innervation:Tibial Division of Sciatic Nerve part of tibia (FILL IN)

30
Q

Semimembranosus m.
(Posterior Compartment)

A

Attach: Ischial tuberosity TO posterior part of medial condyle of tibia. Reflected attachment froms oblique popliteal ligament

Mvmnt:Extends thigh , flex leg and rotate it medially when knee is flexed

When thigh AND leg are flexed then it extends trunk

Innervation:Tibial Division of Sciatic Nerve part of tibia (FILL IN)

31
Q

Biceps Femoris m.
(Posterior Compartment)

A

Attach:
Long Head: ischial tuberosity
Short Head: linea aspera and lateral supracondylar line of femur
TO lateral side of head of fibula , tendon is split at this site by fibular collateral ligament of knee

Mvmnt: Flexes leg and rotates it laterally when knee is flexed , extends thigh (accelerates mass in first step of gait)

Innervation:
Long Head: Tibial Division of sciatic nerve (L4-S3)
Short Head: Common Fibular divison of Sciatic Nerve (L4-S2)

Gross Anatomy (8 decks)

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