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Muscles of the hip and knee
Muscles, origin,insertion,action and innervation
21
Anatomy
Undergraduate 1
10/25/2008

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Cards

Term
ILIOPSOAS MUSCLE
Definition

O: ILIAC FOSSA, ANTERIOR AND LATERAL SURFACES OF T12 THROUGH L5

I:LESSER TROCHANTER

A: HIP FLEXION

N:ILIACUS PORTION FEMORAL NERVE L2,L3

 

PSOAS MAJOR PORTION L2 and L3

 

Term
RECTUS FEMORIS MUSCLE
Definition

O: AIIS

I: TIBIAL TUBEROSITY

A: HIP FLEXION, KNEE EXTENSION

N:FEMORAL NERVE L2,L3,L4

Term
SARTORIUS MUSCLE
Definition

O:ASIS

I:PROXIMAL MEDIAL ASPECT OF TIBIA

A: COMBO OF HIP FLEXION, ABDUCTION, LATERAL ROTATION AND KNEE FLEXION

N: FEMORAL NERVE L2,L3

Term
PECTINEUS MUSCLE
Definition

O:SUPERIOR RAMUS OF PUBIS

I:PECTINEAL LINE OF FEMUR

A:HIP FLEXION AND ADDUCTION

N: FEMORAL NERVE L2,L3,L4

Term
ADDUCTOR LONGUS MUSCLE
Definition

O:PUBIS

I:MIDDLE THIRD OF THE LINEA ASPERA

A: HIP ADDUCTION

N:OBTURATOR NERVE L3,L4

Term
ADDUCTOR BREVIS
Definition

O:PUBIS

I: PECTINEAL LINE AND PROXIMAL LINEA ASPERA A:HIP ADDUCTION

N: OBTURATOR NERVE L3,L4

Term
ADDUCTOR MAGNUS MUSCLE
Definition

O: ISCHIUM AND PUBIS

I:ENTIRE LINEA ASPERA AND ADDUCTOR TUBERCLE A: HIP ADDUCTION

N: OBTURATOR AND SCIATICA NERVE L3,L4

Term
GRACILIS
Definition

O:PUBIS

I:ANTERIOR MEDIAL SURFACE OF PROXIMAL END OF TIBIA

A: HIP ADDUCTION

N: OBTURATOR NERVE L2,L3

Term
GLUTEUS MAXIMUS MUSCLE
Definition

O: POSTERIOR SACRUM AND ILIUM

I:POSTERIOR FEMUR DISTAL TO GREATER TROCHANTER AND TO ILIOTIBIAL BAND

A: HIP EXTENSION, HYPEREXTENSION, LATERAL ROTATION

N: INFERIOR GLUTEAL NERVE L5,S1,S2

Term
PIRIFORMIS
Definition

O:POSTERIOR SACRUM, ISCHIUM, PUBIS

I:GREATER TROCHANTER AREA

A:HIP LATERAL ROTATION

N:ANTERIOR RAMI S1,S2

Term
SEMIMEMBRANOSUS MUSCLE
Definition

O: ISCHIAL TUBEROSITY

I: POSTERIOR SURFACE OF MEDIAL CONDYLE OF TIBIA

A:EXTEND HIP AND FLEX KNENE

N: SCIATIC NERVE L5,S1,S2

Term
SEMITENDINOSUS MUSCLE
Definition

O:ISCHIAL TUBEROSITY

I: ANTEROMEDIAL SURFACE OF PROXIMAL TIBIA

A: EXTEND HIP AND FLEX KNEE

N:SCIATIC NERVE L5,S1,S2

Term
BICEPS FEMORIS MUSCLE
Definition

O: LONG HEAD: ISCIAL TUBEROSITY SHORT HEAD: LATERAL LIP OF LINEA ASPERA

I: FIBULAR HEAD

A: LONG HEAD: EXTEND HIP AND FLEX KNEE SHORT HEAD: FLEX KNEE

N: LONG HEAD: SCIATIC NERVE S1,S2,S3 SHORT HEAD: COMMON PERONEAL NERVE L5,S1,S2

Term
GLUTEUS MEDIUS MUSCLE
Definition

O: OUTER SURFACE OF THE ILIUM

I: LATERAL SURFACE OF THE GREATER TROCHANTER A: HIP ABDUCTION

N: SUPERIOR GLUTEAL NERVE L4,L5 S1

Term
GLUTEUS MINIMUS MUSCLE
Definition

O:LATERAL ILIUM

I: ANTERIOR SURFACE OF THE GREATER TROCHANTER A: HIP ABDUCTION, MEDIAL ROTATION

N: SUPERIOR GLUTEAL NERVE L4,L5,S1

Term
TENSOR FASCIA LATAE MUSCLE
Definition

O: ASIS

I: LATERAL CONDYLE OF TIBIA

A: COMBINED HIP FLEXION AND ABDUCTION

N: SUPERIOR GLUTEAL NERVE L4,L5

Term
VASTUS LATERALIS MUSCLE
Definition

O: LINEA ASPERA

I: TIBIAL TUBEROSITY VIA PATELLAR TENDON

A: KNEE EXTENSION

N: FEMORAL NERVE L2,L3,L4

Term
VASTUS MEDIALIS MUSCLE
Definition

O: LINEA ASPERA

I: TIBIAL TUBEROSITY VIA PATELLAR TENDON

A: KNEE EXTENSION

N: FEMORAL NERVE L2,L3,L4

Term
VASTUS INTERMEDIALIS MUSCLE
Definition

O: ANTERIOR FEMUR

I: TIBIAL TUBEROSITY VIA PATELLAR TENDON

A: KNEE EXTENSION

N: FEMORAL NERVE L2,L3,L4

Term
POPLITEUS MUSCLE
Definition

O:LATERAL CONDYLE OF FEMUR

I: POSTERIOR MEDIAL CONDYLE OF TIBIA

A: INITIATES KNEE FLEXION

N: TIBIAL NERVE L4,L5,S1

Term
GASTROCNEMIUS MUSCLE
Definition

O:MEDIAL AND LATERAL CONDYLES OF FEMUR I:POSTERIOR CALCANEUS

A: KNEE FLEXION, ANKLE PLANTAR FLEXION

N:TIBIAL NERVE S1,S2

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