Muscles of the Lower Body I: AOI Flashcards

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0
Q

Psoas Major

Origin

A

Transverse processes and bodies of T12-L5

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1
Q

Psoas Major

Action

A

Flexes thigh

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2
Q

Psoas Major

Insertion

A

Lesser trochanter of the femur with iliacus

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3
Q

Iliacus

Action

A

Flexes thigh

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4
Q

Iliacus

Origin

A

Iliac fossa

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5
Q

Iliacus

Insertion

A

Lesser trochanter of the femur with psoas major

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6
Q

Gluteus Maximus

Action

A

Extends thigh; laterally rotates thigh

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7
Q

Gluteus Maximus

Insertion

A

IT Band, linea aspera, gluteal tuberosity

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8
Q

Gluteus Medius

Action

A

Abducts thigh; medially rotates thigh

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9
Q

Gluteus Medius

Insertion

A

Greater trochanter of the femur

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10
Q

Gluteus Minimus

Action

A

Abducts thigh; medially rotates thigh

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11
Q

Gluteus Minimus

Insertion

A

Greater trochanter of the femur

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12
Q

Piriformis

Action

A

Laterally rotates thigh

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13
Q

Piriformis

Origin

A

Sacrum

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14
Q

Piriformis

Insertion

A

Greater trochanter

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15
Q

Superior gemellus, obturator internus, inferior gemellus, quadratus femoris
Action

A

Laterally rotates thigh

16
Q
Biceps femoris (2 heads)
Action
A

Long: Extends thigh; flexes leg

Short: Laterally rotates thigh; flexes leg

17
Q
Biceps femoris (2 heads)
Origin
A

Long: Ischial tuberosity

Short: Linea aspera of femur

18
Q
Biceps femoris (2 heads)
Insertion
A

Head of fibula

19
Q

Semitendinosus

Action

A

Extends thigh and flexes leg; medially rotates leg

20
Q

Semitendinosus

Origin

A

Ischial tuberosity

21
Q

Semitendinosus

Insertion

A

Tibia

22
Q

Semimembranosus

Action

A

Extends thigh and flexes leg; medially rotates leg

23
Q

Semimembranosus

Origin

A

Ischial tuberosity

24
Q

Semimembranosus

Insertion

A

Tibia

25
Q

Quadriceps femoris > rectus femoris

Action

A

Extends leg, flexes thigh

26
Q

Quadriceps femoris > rectus femoris

Origin

A

Anterior Inferior Iliac Spine (AIIS)

27
Q

Quadriceps femoris > rectus femoris

Insertion

A

Quadriceps tendon to patella and then patellar ligament to tibial tuberosity

28
Q

Quadriceps femoris > vastus lateralis

Action

A

Extends leg

29
Q

Quadriceps femoris > vastus lateralis

Origin

A

Femur

30
Q

Quadriceps femoris > vastus lateralis

Insertion

A

Quadriceps tendon to patella and then patellar ligament to tibial tuberosity

31
Q

Quadriceps femoris > vastus intermedius

Action

A

Extends leg

32
Q

Quadriceps femoris > vastus intermedius

Origin

A

Femur

33
Q

Quadriceps femoris > vastus intermedius

Insertion

A

Quadriceps tendon to patella and then patellar ligament to tibial tuberosity

34
Q

Quadriceps femoris > vastus medialis

Action

A

Extends leg

35
Q

Quadriceps femoris > vastus medialis

Origin

A

Femur

36
Q

Quadriceps femoris > vastus medialis

Insertion

A

Quadriceps tendon to patella and then patellar ligament to tibial tuberosity