Thigh Muscles/Ligaments & Hip Rotators Flashcards

1
Q

Fascia

A

Connective tissue that runs throughout the body to provide structure and support. (Some parts of the body’s fascia are named)

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2
Q

Fascia of the thigh is called the _______________.

A

Fascia Lata

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3
Q

Fascia Lata

A

Connective tissue that invests throughout the thigh and surrounds the thigh muscles in a dense tubular sheath

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4
Q

Iliotibial Band

A

-Fascia Lata thickens laterally - this very strong part of the fascia lata is called the iliotibial band
-Attatches: superiorly to the tubricle of the iliac crest and inferiorly to Gerdy’s Tubricle and Patella

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5
Q

Psoas Major (Attachment)

A

-Superior/Proximal attachment: Sides of T-12-L4 vertebrae and the associated intervertebral disks
-Inferior/Distal attachment: Lesser trochanter of the femur

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6
Q

Psoas Major (Action)

A

Action: Works with iliacus to flex the hip joint (when low back is fixed and femur is moving
Action: Flexes the lumbar spine (when femur is fixed and low back is moving)

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7
Q

What is the prime mover for hip flexion?

A

Psoas Major

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8
Q

Iliacus (Attachment)

A

Superior/Proximal attachment: Iliac Fossa
Inferior/Distal attachment: Lesser Trochanter

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9
Q

Iliacus (Action)

A

-Action: Works with Psoas Major to flex the hip joint (when pelvis is fixed and Femur is moving)
-Action: Pulls the hip bone anteriorly (when Femur is fixed and Pelvis is moving)

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10
Q

Gluteus Maximus (Attachment)

A

Superior/Proximal attachment: External and posterior surface of the ilium, posterior surface of the sacrum and coccyx, sacrotuberous ligament
Inferior/Distal attachment: 3/4 of the fibres attach into the iliotibial band, 1/4 of the fibres attach to the gluteal tuberosity

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11
Q

Gluteus Maximus (Action)

A

Action: Hip joint extension (Prime Mover)
Action: Hip joint lateral rotation
Action: Hip abduction

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12
Q

What is the prime mover for hip extension?

A

Gluteus Maximus

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13
Q

What is the prime mover for hip abduction?

A

Gluteus Medius

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14
Q

Gluteus Medius (Pelvic Deltoid) (Attachment)

A

-Superior/Proximal attachment: external Illium (anterior 2/3rds)
-Inferior/Distal attachment: Lateral surface of the Greater Trochanter

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15
Q

Gluteus Medius (Pelvic Deltoid) (Action)

A

-Action: Hip joint abduction (Prime Mover)
-Action: Anterior Fibres - hip joint flexion and medial rotation
-Action: Posterior Fibres - hip joint extension and lateral rotation

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16
Q

What muscle is responsible for pelvic support during weight bearing?

A

Gluteus Medius

17
Q

Weakness in muscles results in __________________.

A

Trendelenburg Gait

18
Q

Gluteus Minimus (Attachment)

A

-Superior/Proximal attachment: External Ilium (deep to gluteus medius)
-Inferior/Distal attachment: Anterior surface of the Greater Trochanter

19
Q

Gluteus Minimus (Action)

A

-Action: Hip joint abduction
-Action: Hip joint flexion
-Action: Hip joint medial rotation

20
Q

Tensor Fascia Lata (TFL) (Attachment)

A

-Superior/Proximal attachment: Outer ASIS
-Inferior/Distal attachment: Iliotibial Band (Approx.1/3rd down the thigh)

21
Q

Tensor Fascia Lata (TFL) (Action)

A

-Action: Hip joint flexion
-Action: Hip joint abduction
-Action: Hip joint medial rotation

22
Q

Piriformis (Attachment)

A

-Superior/Proximal attachment: Anterior Sacrum travelling through the Greater Sciatic Notch to the…..
-Inferior/Distal attachment: Posteromedial aspect of the Greater Trochanter

23
Q

Piriformis (Action)

A

-Action: Hip joint lateral rotation (in anatomical position)
-Action: Hip joint abduction - *When hip is flexed up to approx. 60degrees
-Action: Hip joint medial rotation - *When hip is flexed greater than 60degrees

24
Q

Gemellus Superior (Action)

A

Action: Hip joint lateral rotation

25
Q

Obturator Internus (Action)

A

Hip joint lateral rotation

26
Q

Gemellus Inferior (Action)

A

Hip joint lateral rotation

27
Q

Obturator Externus (Action)

A

Hip joint lateral rotation

28
Q

Quadratus Femoris (Attachment)

A

Superior/Proximal attachment: Lateral Ischial Tuberosity
Inferior/Distal attachment: Interochanteric crest

29
Q

Quadratus Femoris (Action)

A

Hip joint lateral rotation

30
Q

Very strong part of the fascia lata is called the_______________.

A

Iliotibial Band