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Iliacus
- Origin: Iliac fossa
- Insertion: Lesser trochanter of femur
- Action: Flexion at hip
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Psoas major
- Origin: Transverse processes of T12-L5
- Insertion: Lesser trochanter
- Action: Flexion at hip
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Pectineus
- Origin: Superior ramus of pubis
- Insertion: Pectineal line
- Action: adducts, flexes and rotates thigh medially
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Adductor longus
- Origin: Inferior ramus of pubis, anterior part
- Insertion: Linea aspera of femur
- Action: Adducts, flexes, and rotates thigh medially
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Adductor medius
- Origin: Inferior ramus of pubis, middle part
- Insertion: Linea aspera of femur
- Action: adducts, flexes, and rotates thigh medially
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Adductor magnus
- Origin: 1. Ischial tuberosity 2. Inferior ramus posterior to adductor brevis
- Insertion: 1. Linea aspera 2. Adductor tubercle of femur
- Action: 1. Adduction at hip 2. Flexion and medial rotation at thigh 3. Extension and lateral rotation of thigh
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Gracilis
- Origin: Inferior ramus
- Insertion: Proximal medial surface of tibia
- Action: 1 Flexes at knee 2. Adducts and medially rotates at knee
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Sartorius
- Origin: Anterior superior iliac spine
- Insertion: Proximal medial surface of tibia
- Action. 1. Flexes thigh and leg at knee 2. Laterally rotates at thigh
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Tensor fascia latae
- Origin: 1. Anterior iliac crest 2. Anterior superior iliac spine
- Insertion: Iliotibial band
- Action: 1. Flexes and medially rotates thigh 2. Laterally supports knee
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Gluteus Maximus
- Origin: 1. Iliac crest 2. Posterior gluteal line 3. Ilium 4. Coccyx 5. Thoracolumbar tract
- Insertion: 1. Iliotibial tract 2. Gluteal tuberosity
- Action: Extension and lateral rotation at hip
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Gluteus Medius
- Origin: 1. Anterior iliac crest 2. Lateral surface of ilium between posterior and anterior gluteal line
- Insertion: Greater trochanter
- Action: Abduction and medial rotation at hip
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Gluteus minimus
- Origin: Lateral surface of ilium between inferior and posterior gluteal lines
- Insertion: Greater trochanter
- Action: Abduction and medial rotation at hip
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Piriformis
- Origin: Anterior lateral surface of sacrum
- Insertion: Greater trochanter of femur
- Action: Laterally rotates and abducts thighs
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Quadratus femoris
- Origin: Lateral surface of ischial tuberosity
- Insertion: Intertrochanteric crest
- Action: Laterally rotates and adducts thigh
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Rectus femoris
- Origin: 1. Inferior anterior iliac spine 2. superior rim of acetabulum
- Insertion: Patella and tibial tuberosity
- Action: 1. Extends leg at knee 2. Flexion at hip
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Vastus lateralis
- Origin: 1. Greater trochanter 2. Proximal half of linea aspera
- Insertion: Patella and tibial tuberosity
- Action: Extend leg at the knee
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Vastus medialis
- Origin: Linea aspera of femur
- Insertion: Patella and tibial tuberosity
- Action: Extends leg at knee
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Vastus intermedialis
- Origin: 1. Anterior and lateral surface of femur. 2. Distal half of linea aspera
- Insertion: Patella and tibial tuberosity
- Action: Extends the leg at knee
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Biceps femoris
- Origin: 1. Inschial tuberosity 2. Linea aspera
- Insertion: 1. Head of fibula 2. Lateral condyle of tibia
- Action: 1. Flexes leg at knee 2. Laterally rotates thigh
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Semitendinosus
- Origin: Ischial tuberosity
- Insertion: Proximal surface of tibia
- Action: 1. Flexes leg at knee 2. Extends and medially rotates thigh
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Semimembranosus
- Origin: Ischial tuberosity
- Insertion: Proximal surface of tibia
- Action: 1. Flexes leg at knee 2. Extends and medially rotates thigh
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