Thigh Muscles Anterior, Medial, And Posterior Compartment

Front 1

ANTERIOR THIGH COMPARTMENT

Back 1

Femoral Nerve Territory

Flexors of the hip

Extensors of the knee

Front 2

PECTINEUS

Insertions

Back 2

PROXIMAL

Pectin Pubis

DISTAL

Fermur (Pectineal Line and the proximal Linea Aspera)

Front 3

PECTINEUS

innervations

Back 3

1) Femoral Nerve

2) Obturator Nerve

L2, L3

Front 4

PECTINEUS

Actions

Back 4

Hip Joint: ADduction, external rotation, and slight flexion

Stabilize the pelvis in coronal and sagittal planes

Front 5

SARTORIUS

Insertions

Back 5

PROXIMAL

Anterior Superior Iliac Spine (ASIS)

DISTAL

Medial to the tibial tuberosity (together with Gracilis and Semitendinosus at the Pes Anserinus)

Front 6

SARTORIUS

Innervatios

Back 6

Femoral Nerve L2, L3

Front 7

SARTORIUS

Actions

Back 7

Hip Joint: Flexion, Adduction, and External Rotation

Knee Joint: Flexion, and Internal Rotation

Front 8

Name the three muscle and compartments that insert on the medial proximal tibia at the PES ANSERINUS

Back 8

1) Anterior Compartment -Sartouris - Femoral Nerve L2-L3

2) Medial Compartment Gracilis - Obturator L2 - L3

3) Posterior Compartment - Semitendinosis - Tibial Nerve L5-S2

Front 9

Name the 4 muscles that make up the Quadriceps

Back 9

Rectus Femoris

Vastus Medialis

Vanstus Lateralis

Vastus Intermedius

Front 10

RECTUS FEMORIS

Insertions

Back 10

PROXIMAL

1) AIIS
2)Acetabular Roof of the hip bone

DISTAL

Tibial Tuberosity via the common patellar ligament

Front 11

RECTUS FEMORIS

Innervations

Back 11

Femoral Nerve L2 - L4

Front 12

RECTUS FEMORIS

Actions

Back 12

Hip joint: Flexion

Knee Joint: Extension

Front 13

VASTUS MEDIALIS

Insertions

Back 13

PROXIMAL

Linea Aspera (medial lip)

Intertrochanteric Line

DISTAL

Tibial Tuberosity via the Patellar Ligament

Front 14

VASTUS MEDIALIS

Innervations

Back 14

Femoral Nerve L2-L4

Front 15

VASTUS MEDIALIS

Actions

Back 15

Knee Joint: Extension

Front 16

VASTUS INTERMEDIUS

Insertions

Back 16

PROXIMAL

Femoral Shaft ( Anterior Side)

DISTAL

Tibial Tuberosity via Patellar Ligament

Front 17

VASTUS INTERMEDIUS

Innervation

Back 17

Femoral Nerve L2 - L4

Front 18

VASTUS INTERMEDIUS

Actions

Back 18

Knee Joint: Extension

Front 19

VASTUS LATERALIS

Insertions

Back 19

PROXIMAL

1) Linea Aspers (Lateral Lip)

2) Greater Trochanter (Lateral Surface)

DISTAL

Tibial Tuberosity via the Patellar Ligament

Front 20

VASTUS LATERALIS

Innervations

Back 20

Femoral Nerve L2-L4

Front 21

VASTUS LATERALIS

Actions

Back 21

Knee Joint: Extensions

Front 22

MEDIAL THIGH COMPARTMENT

SUPERFICIAL LAYER

Back 22

ADductor Longus

ADductor Brevis

ADductor Magnus

Gracilis

Obturator Externus

Front 23

ADDUCTOR LONGUS

Insertions

Back 23

PROXIMAL

1) Superior Pubic Ramus

2) Anterior Side of the symphysis

DISTAL

Femur (linea aspera, medial lip in the middle third of the femur)

Front 24

ADDUCTOR LONGUS

Innervations

Back 24

Obturator Nerve L2-L4

Front 25

ADDUCTOR LONGUS

Actions

Back 25

Hip Joint: ADuction and flexion (up to 70 degrees), extension (past 80 degrees of flexion)

Stabilizes the pelvis in the coronal and sagittal plane.

Front 26

ADDUCTOR BREVIS

Insertions

Back 26

PROXIMAL

Inferior Pubic Ramus

DISTAL

Femur (Linea Aspera, medial lip in the medial third of the femur)

Front 27

ADDUCTOR BREVIS

Innervations

Back 27

Obturator Nerve L2, L3

Front 28

ADDUCTOR BREVIS

Actions

Back 28

Hip Joint: ADuction and flexion (up to 70 degrees), extension (past 80 degrees of flexion)

Stabilizes the pelvis in the coronal and sagittal plane.

Front 29

GRACILIS

Insertions

Back 29

PROXIMAL

Inferior Pubic Ramus below the symphysis

DISTAL

Tibia (medial border of the tuberosity, along with the tendons of sartorius and semitendinosus at the Pes Anserinus.

Front 30

GRACILIS

Innervations

Back 30

Obturator Nerve L2, L3

Front 31

GRACILIS

Actions

Back 31

Hip Joint: ADduction and flexion

Knee Joint: Flexion and Internal Rotation

Front 32

Name the three muscle and compartments that insert on the medial proximal tibia at the PES ANSERINUS

Back 32

1) Anterior Compartment - Sartorius - Femoral Nerve L2-L3

2) Medial Compartment - Gracilis - Obturator L2-L3

3) Posterior Compartment - Semitendimosus - Tibial Nerve L5 - S2

Front 33

OBTURATOR EXTERNUS

Insertions

Back 33

PROXIMAL

Outer surface of the obturator membrane and its bony boundaries

DISTAL

Trochanteric Fossa of the Femur

Front 34

OBTURATOR EXTERNUS

Innervations

Back 34

Obturator Nerve L3, L4

Front 35

OBTURATOR EXTERNUS

Actions

Back 35

Hip Joint: ADduction and External Rotation

Stabilizes the pelvis in the sagittal plane

Front 36

ADDUCTOR MAGNUS

Insertions

Back 36

PROXIMAL

1) ADductor (pubofemoral) Portion: Inferior Pubic Ramus, Ischial Ramus

2) Hamstring (ischiofemoral) Part: Ischial Tuberosity

DISTAL

1) ADductor (pubofemoris) Part: medial lip of the linea aspera,

2) Hamstring (ischiofemoral) Part: ADductor tubercle of the femur

Front 37

ADDUCTOR MAGNUS

Innervations

Back 37

1) ADductor (pubofemoral) portion: Obturator L2- L4

2) Hamstring (ischiofemoral) Part: Tibial Nerve L4

Front 38

ADDUCTOR MAGNUS

Actions

Back 38

Hip Joint:

ADduction
extension
Slight Flexion

Stabilizes the pelvis in the coronal and sagittal plane

Front 39

Name the Muscles of the Medial Thigh Compartment In order of depth.

Back 39

1) Gracilis
2) Adductor Longus
3) Adductor Brevis
4) Adductor Magnus
5) Obturator Externus

Front 40

POSTERIOR COMPARTMENT THIGH MUSCLES

Back 40

Biceps Femoris

Semimembranosus

Semitendinosus

Front 41

BICEPS FEMORIS

Insertions

Back 41

PROXIMAL

1) Long Head - Ischial Tuberosity, sacrotuberous ligament (common head with semitendinosus)

2) Short Head: Lateral lip of the linea aspera in the middle third of the femur

DISTAL

Head of the Fibula

Front 42

BICEPS FEMORIS

Innervations

Back 42

1) Long Head: Tibial nerve L5-S2

2) Short Head: Common Fibular Nerve L5 - S2

Front 43

BICEPS FEMORIS

Actions

Back 43

1) Long Head:
Hip Joint: Extends hip, stabilizes the pelvis in the sagittal plane

Knee Joint: Flexion and External Rotation

2) Short Head:

Knee Joint: Flexion and external rotation

Front 44

SEMIMEMBRANOSUS

Insertions

Back 44

PROXIMAL

Ischial Tuberosity

DISTAL

Medial tibial condyle, oblique popliteal ligament, popliteus fascia

Front 45

SEMIMEMBRANOSUS

Innervations

Back 45

Tibial Nerve L5- S2

Front 46

SEMIMEMBRANOSUS

Actions

Back 46

Hip Joint: extends the hip, stabilizes the pelvis in the sagittal plane

Knee Joint: Flexion and Internal Rotation

Front 47

SEMITENDINOSUS

Insertions

Back 47

PROXIMAL

Ischial Tuberosity, Sacrotuberous Ligament (common head with the Long Head of Biceps Femoris)

DISTAL

Tibia (medial border of the tuberosity , along with the tendons of Sartorius and Gracilis)

Front 48

SEMITENDINOSUS

Innervations

Back 48

Tibial Nerve L5 - S2

Front 49

SEMITENDINOSUS

Actions

Back 49

Hip Joint: Extends the Hip, stabilizes the pelvis in the sagittal plane

Knee Joint: Flexion and internal rotation

Front 50

Name the three muscle and compartments that insert on the medial proximal tibia at the PES ANSERINUS

Back 50

1) Anterior Compartment - Sartorius - Femoral Nerve L2-L3

2) Medial Compartment - Gracilis - Obturator L2-L3

3) Posterior Compartment - Semitendinosus - Tibial Nerve L5 - S2