Term
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Definition
Proximal Attachment- Ilium Posterior to posterior gluteal line, to the dorsal surface of sacrum and coccyx and sacrotuberous ligament.
Distal Attachment- 3/4th fibers end in the iliotibial tract to gerdy’s tubercle. 1/4th fibers insert on gluteal tuberosity of femur.
Action- Hip extension, Hip external rotation *Reverse Action=trunk extension
Innervation- Inferior Gluteal Nerve (L5-S2) |
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Term
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Definition
Proximal Attachment-External surface of ilium between anterior and posterior gluteal lines
Distal Attachment- lateral surface of greater trochanter of femur
Action- Hip abduction, Hip internal rotation, Keeps pelvis level during ipsilateral single limb stance.
Innervation- Superior Gluteal Nerve (L5, S1) |
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Term
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Definition
Proximal Attachment- External surface of ilium between anterior and inferior gluteal lines.
Distal Attachment- anterior surface of greater troch of femur
Action- Hip abduction, Hip internal rotation, Keeps pelvis level during ipsilateral single limb stance.
Innervation- Superior Gluteal Nerve (L5, S1) |
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Term
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Definition
Proximal Attachment- ASIS and anterior part of iliac crest.
Distal Attachment- into iliotibial tract, attaching to gerdy’s tubercle on tibia
Action- Hip flexion, Assists in abduction and internal rotation, Helps keep pelvis level when ipsilateral limb is weight bearing during single limb stance.
Innervation- Superior gluteal nerve (L5, S1) |
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Term
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Definition
Proximal Attachment- Anterior surface of sacrum and sacrotuberous ligament
Distal Attachment-superior border of greater trochanter of femur.
Action- Externally rotate hip, Horizontal Abduction hip
Innervation- Nerve to piriformis (S1, S2) |
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Term
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Definition
Proximal Attachment- Pelvic surface of obturator membrane and surrounding bones.
Distal Attachment- trochanteric fossa of femur
Action- Externally rotate hip, Horizontal Abduction hip
Innervation- Nerve to Obturator internus (L5, S1) |
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Term
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Definition
Proximal Attachment- Margins of obturator foramen & obturator membrane.
Distal Attachment- trochanteric fossa of femur
Action- Hip external rotation, Stabilization of hip joint
Innervation- Obturator nerve (L3, L4) |
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Term
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Definition
Proximal Attachment- Ischial spine
Distal Attachment- trochanteric fossa of femur
Action- Externally rotate hip, Horizontal Abduction hip
Innervation- Nerve to Obturator internus (L5, S1) |
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Term
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Definition
Proximal Attachment- Ischial tuberosity
Distal Attachment- trochanteric fossa of femur
Action- Externally rotate hip, Horizontal Abduction hip
Innervation- Nerve to Quadratus femoris (L5, S1) |
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Term
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Definition
Proximal Attachment- Lateral border of ischial tuberosity
Distal Attachment- Quadrate tubercle on intertrochanteric crest of femur
Action- Hip external rotation, Stabilization of joint.
Innervation- Nerve to Quadratus femoris (L5, S1) |
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Term
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Definition
-Proximally attaches to the AIIS and acetabular rim
-Distally attaches to intertrocanteric line
-Fibers become more taught with EXTENSION.
*Y SHAPED. Anterior and Superior. Part of the joint capsule |
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Term
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Definition
-Arises from obturator crest of pubic bone and passes laterally and inferiorly to join with fibrous layer of joint capsule
-Becomes taught with EXTENSION and ABDUCTION.
* Anterior and Inferior. Part of the joint capsule |
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Term
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Definition
-Arises from the ischial part of acetabular rim and spirals superiorlaterally to medial aspect of greater trochanter.
-Becomes taught with EXTENSION & INTERNAL ROTATION
*Posterior. Part of the joint capsule. Weakest of the three ligaments |
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Term
| Ligament to Head of Femur |
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Definition
-Arises from two bands attached to either side of the acetabular notch and attaches to the fovea of the head
-Taught when thigh is partially FLEXED and ABDUCTED
* Artery to the head of the femur travels inside |
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Term
| Transverse acetabular ligament |
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Definition
| Continuation of acetabular labrum bridging the inferior notch |
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Term
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Definition
-Fibrocartilaginous rim attached to the margin of acetabulum
-Increases depth & articular area ~10% |
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Term
| Pelvis on Femur Movements |
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Definition
1. Anterior Pelvic Tilt
2. Posterior Pelvic Tilt
3. Lateral tilt
4. Forward Rotation
5. Backward Rotation |
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Term
| Femur on Pelvis Movements |
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Definition
1. Flexion/Extension
2. Abduction/Adduction
3. Internal/External Rotation
4. Horizontal Abduction/ Horizontal Adduction |
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Term
| Nerves of the Gluteal Region |
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Definition
1. Sciatic Nerve (L4-S3) Not actually innervating muscles of gluteal region. Passes inferiorly to piriformis
2. Superior Gluteal Nerve (L4-S1)
3. Inferior Gluteal Nerve (L5-S2)
4. Posterior cutaneous nerve of thigh (S1-S3)
5. Pudendal nerve (S2-S4)
6. Nerve to obturator internus (L5-S2) |
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Term
| Vessels in the Gluteal Region |
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Definition
1. Superior gluteal artery and vein
2. Inferior gluteal artery and vein
3. Internal pudendal artery and vein
*All Arteries are branches off internal iliac artery in pelvis
*Alll exit pelvis through greater sciatic foramen.
*Pudendal vessels then re-enter pelvis through lesser sciatic foramen |
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Term
| Blood Supply to the Head of the Femur |
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Definition
1. Medial femoral circumflex artery
2. Lateral femoral circumflex artery
3. Artery to the head of the femur |
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