Questions and Answers
What is the origin of the Gluteus Maximus?
What is the action of the Gluteus Medius?
Abduct hip joint
The Gluteus Minimus has the same insertion as Gluteus Medius.
True
What is the innervation of the Tensor Fasciae Latae?
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What is the action of the Piriformis?
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Which muscle inserts at the Greater Trochanter of Femur?
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What is the origin of the Iliacus?
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The Gracilis is responsible for abducting the hip joint.
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The Pectineus has an origin at the __________ line of Pubis.
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What is the action of the Biceps Femoris Long Head?
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Which of the following innervates the Semitendinosus?
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The Adductor Magnus acts to adduct and flex the hip joint.
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Study Notes
Gluteal Muscles
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Gluteus Maximus:
- Origin: Ilium, posterior sacrum, coccyx
- Insertion: Gluteal tuberosity of femur, iliotibial tract
- Action: Extends and laterally rotates hip
- Innervation: Inferior gluteal nerve
-
Gluteus Medius:
- Origin: Gluteal lines of ilium, iliac crest
- Insertion: Greater trochanter of femur
- Action: Abducts hip
- Innervation: Superior gluteal nerve
-
Gluteus Minimus:
- Origin: Gluteal lines of ilium
- Insertion: Greater trochanter of femur
- Action: Abducts hip
- Innervation: Superior gluteal nerve
-
Tensor Fasciae Latae:
- Origin: Anterior superior iliac spine
- Insertion: Iliotibial tract
- Action: Flexes, abducts, and medially rotates hip
- Innervation: Superior gluteal nerve
Deep Hip Rotators
-
Piriformis:
- Origin: Anterior sacrum
- Insertion: Greater trochanter of femur
- Action: Laterally rotates hip
-
Gemellus Superior:
- Origin: Ischial spine
- Insertion: Greater trochanter of femur
- Action: Laterally rotates hip
-
Obturator Internus:
- Origin: Medial margin of obturator foramen
- Insertion: Greater trochanter of femur
- Action: Laterally rotates hip
-
Gemellus Inferior:
- Origin: Ischial tuberosity
- Insertion: Greater trochanter of femur
- Action: Laterally rotates hip
-
Quadratus Femoris:
- Origin: Ischial tuberosity
- Insertion: Greater trochanter of femur
- Action: Laterally rotates hip
Hip Flexors
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Psoas Major:
- Origin: Vertebrae T12-L5
- Insertion: Lesser trochanter of femur
- Action: Flexes hip joint and trunk
- Innervation: Not specified
-
Psoas Minor:
- Origin: Vertebrae T12-L1
- Insertion: Iliopubic eminence
- Action: Minor flexion of trunk
- Innervation: Not specified
-
Iliacus:
- Origin: Iliac fossa
- Insertion: Lesser trochanter of femur
- Action: Flexes hip joint
- Innervation: Femoral nerve
-
Iliopsoas:
- Origin: Merged psoas major and iliacus fibers, passes under inguinal ligament
- Insertion: Lesser trochanter of femur
- Action: Flexes hip joint
- Innervation: Not specified
Quadriceps and Sartorius
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Sartorius:
- Origin: Anterior superior iliac spine
- Insertion: Proximal medial tibia
- Action: Flexes knee, flexes and laterally rotates hip
- Innervation: Femoral nerve
-
Rectus Femoris:
- Origin: Anterior inferior iliac spine
- Insertion: Tibial tuberosity (via quadriceps tendon and patellar ligament)
- Action: Extends knee, flexes hip
- Innervation: Femoral nerve
-
Vastus Lateralis:
- Origin: Lateral tip of linea aspera
- Insertion: Tibial tuberosity
- Action: Extends knee
- Innervation: Femoral nerve
-
Vastus Medialis:
- Origin: Medial tip of linea aspera
- Insertion: Tibial tuberosity
- Action: Extends knee
- Innervation: Femoral nerve
-
Vastus Intermedius:
- Origin: Anterior proximal femur
- Insertion: Tibial tuberosity
- Action: Extends knee
- Innervation: Femoral nerve
Adductor Muscles
-
Gracilis:
- Origin: Inferior ramus of pubis
- Insertion: Proximal medial tibia
- Action: Adducts hip; flexes knee
- Innervation: Obturator nerve
-
Pectineus:
- Origin: Pectineal line of pubis
- Insertion: Pectineal line of femur
- Action: Adducts and flexes hip
- Innervation: Femoral nerve
-
Adductor Longus:
- Origin: Pubis
- Insertion: Linea aspera of femur
- Action: Adducts and flexes hip
- Innervation: Obturator nerve
-
Adductor Brevis:
- Origin: Inferior ramus of pubis
- Insertion: Linea aspera of femur
- Action: Adducts and flexes hip
- Innervation: Obturator nerve
-
Adductor Magnus:
- Origin: Inferior ramus of pubis and ischial tuberosity
- Insertion: Linea aspera and adductor tubercle of femur
- Action: Adducts and extends hip
- Innervation: Obturator nerve
Hamstring Muscles
-
Biceps Femoris Long Head:
- Origin: Ischial tuberosity
- Insertion: Head of fibula
- Action: Flexes knee, extends hip
- Innervation: Tibial nerve
-
Biceps Femoris Short Head:
- Origin: Linea aspera of femur
- Insertion: Head of fibula
- Action: Flexes knee
- Innervation: Common fibular nerve
-
Semitendinosus:
- Origin: Ischial tuberosity
- Insertion: Proximal medial tibia
- Action: Flexes knee, extends hip
- Innervation: Tibial nerve
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Description
Explore the origins, insertions, actions, and innervations of the gluteal muscles through these informative flashcards. Perfect for students studying anatomy or health sciences. Test your knowledge of the Gluteus Maximus and Gluteus Medius!
