Gluteal Region OINA Word Scramble
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Question | Answer |
Gluteus Maximus Origin | External/gluteal surface of ilium, posterior surfaces of sacrum & sacrotuberous ligament. |
Gluteus Maximus Insertion | Most fibers into iliotibial tract of the fascia lata, some fibers into gluteal tuberosity of femur. |
Gluteus Maximus Action | Extension of thigh at hip, extension of trunk when the lower limbs are fixed, and lateral rotation of thigh at hip. |
Gluteus Maximus Nerve | Inferior gluteal (L5, S1, S2). |
Gluteus Maximus Blood | Primarily, inferior gluteal; some from superior gluteal. |
Gluteus medius Origin | External/gluteal surface of ilium. |
Gluteus medius Insertion | Lateral surface of greater trochanter of femur. |
Gluteus medius Action | Abduction & medial rotation of thigh at hip. Stabilizes pelvis & prevents the free limb from sagging during walking. |
Gluteus medius Nerve | Superior gluteal (L4, L5, S1) |
Gluteus medius Blood | Superior gluteal. |
Gluteus Minimus Origin | External/gluteal surface of ilium. |
Gluteus Minimus Insertion | Anterior surface of greater trochanter of femur. |
Gluteus Minimus Action | Abduction & medial rotation of thigh at hip joint. Stabilizes pelvis & prevents the free limb from sagging during walking. |
Gluteus Minimus Nerve | Superior gluteal (L4, L5, S1) |
Gluteus Minimus Blood | Superior gluteal. |
Piriformis Origin | Anterior surface of 2nd, 3rd, & 4th sacral vertebrae lateral to the anterior sacral foramina. |
Piriformis Insertion | After exiting pelvis through the greater sciatic foramen, it inserts onto the superomedial area of the greater trochanter. |
Piriformis Action | Lateral rotation of thigh at hip, abduction of flexed thigh at hip, assists in holding femoral head in the acetabulum. |
Piriformis Nerve | Ventral rami of S1 & S2 |
Piriformis Blood | Branches of internal iliac: Superior gluteal, inferior gluteal, & lateral sacral. |
Superior gemellus Origin | Ischial spine. |
Superior gemellus Insertion | Blends with tendon of obturator internus muscle as it inserts onto the medial area of greater trochanter. |
Superior gemellus Action | Lateral rotation of thigh at hip, abduction of flexed thigh at hip, assists in holding femoral head in acetabulum. |
Superior gemellus Nerve | Ventral Rami of L5, S1, S2 spinal nerves |
Superior gemellus Blood | Inferior gluteal |
Obturator internus Origin | Pelvic/internal surface of obturator membrane & bony margins or obturator foramen. |
Obturator internus Insertion | After exiting pelvis through lesser sciatic foramen, it inserts onto the medial area of greater trochanter. |
Obturator internus Action | Lateral rotation of thigh at hip, abduction of flexed thigh at hip, assists in holding femoral head in acetabulum. |
Obturator internus Nerve | Ventral Rami of L5, S1, S2 spinal nerves |
Obturator internus Blood | Inferior gluteal. |
Inferior gemellus Origin | very, superior area of ischial tuberosity. |
Inferior gemellus Insertion | Blends with tendon of obturator internus muscle as it inserts onto the medial area of greater trochanter. |
Inferior gemellus Action | Lateral rotation of thigh at hip, abduction of flexed thigh at hip, assists in holding femoral head in acetabulum. |
Inferior gemellus Nerve | ventral rami of L4, L5, & S1 spinal nerves |
Inferior gemellus Blood | Inferior gluteal. |
Quadratus femoris Origin | Superolateral aspect of ischial tuberosity. |
Quadratus femoris Insertion | Quadrate tubercle on intertrochanteric crest of femur. |
Quadratus femoris Action | Lateral rotation of thigh at hip, assists in holding femoral head in acetabulum. |
Quadratus femoris Nerve | Ventral rami of L4, L5, S1 spinal nerves |
Quadratus femoris Blood | Inferior gluteal. |
Created by:
MichaelR
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