13- HIP Flashcards

1
Q

What are the parts of the hip bone?

A

Ilium
Ischium
pubis

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2
Q

What actions can we do with the hip?

A

Flexion/Extension
Abduction/adduction
Medial/Lateral rotation
Circumduction

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3
Q

Which muscles flex the hip?

A

Psoas major
Illiacus
Minor flexors: Rectus femoris, sartorious

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4
Q

Psoas Major

A

Origin: Transverse processes of T12- L5 and the lateral aspects of the discs between them
Insertion: Lesser trochanter of the femur
Nerve: Lumbar plexus (L1- L3)
Action: Flexes the hip joint

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5
Q

Origin: Upper 2/3 of the iliac fossa
Insertion: Base of the lesser trochanter of the femur
Nerve: Femoral Nerve
Action: Flexes and laterally rotates the hip joint

A

Illiacus

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6
Q

What are the hip extensors?

A

Gluteus Maximus
Hamstrings- Biceps femoris, Semitendiosis, semimembranosis
Minor hip extensors-Gluteus Medius, adductor magnus

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7
Q

Origin: Gluteal surface of the ilium
Insertion: Gluteal tuberosity of the femur and iliotbial band
Nerve: Inferior gluteal nerve
Action: External rotation and extension of the hip joint.Supports the extended knee through the IT band, and abduction of the hip

A

Gluteus maximus

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8
Q

Biceps Femoris

A

Origin: (LH) ischial tuberosity. (SH) linea aspera of the femur
Insertion: Head of the fibula
Innervation: (LH) tibial n. (sh) common fibula n.
Action: Both heads: Flex knee,(LH) extends hip

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9
Q

Semitendinosus

A

Origin: Ischial Tuberosity
Insertion: Pes Anserinus (tibia)
Innervation: Sciatic N (tibial)
Action: Flex knee, extends hip

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10
Q

Semimembranosus

A

Origin: Ischial tuberosity
Insertion: Medial Condyle of the tibia
Innervation: Sciatic N(tibial)
Action: Flex knee, extends hip

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11
Q

States the tendons of the pes anserinus

A

Sartorius
Semitendinosus
Gracilis

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12
Q

Hip adductors

A
  1. adductor magnus
  2. adductor longus
  3. adductor brevis
  4. pectineus
  5. gracilis
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13
Q

Origin: Ischiopubic ramus
Insertion: pes anserinus
Innervation: Obturator n.
Action: Flexes,medially rotates and adducts the hip

A

Gracilis

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14
Q

Adductor Magnus

A

Origin: Pubis,ischial tuberosity
Insertion: linea aspera and adductor tubercle of the femur
Innervation: Obturator n (adductor part) and sciatic n (hamstring part)
action: extends hip, flexes hip, adducts hip

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15
Q

Adductor longus

A

Origin: Pubic body, just below crest
Insertion: Middle 1/3 of the linea aspera
Innervation: Obturator nerve
Action: adducts hip

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16
Q

Adductor brevis

A

Origin: Anterior surface of the inferior ramus of the body of the pubis
Insertion: Lesser trochanter and linea aspera
Innervation:obturator nerve
Action: Adducts hip (some flexion)

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17
Q

Pectineus

A

Origin: Pectineal line of the pubic bone
Insertion: Pectineal line of the femur
Innervation: Obturator nerve
Action: Flexes and adducts hip assists with medial rotation

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18
Q

Hip abductors

A

Gluteus Maximus
Gluteus Medius
Gluteus Minimus
Tensor Fascia Lata

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19
Q

Origin: Gluteal surface of the ilium, lumbar fascia, sacrum
Insertion: Gluteal tuberosity of the femur and iliotbial band
Nerve: Inferior Gluteal Nerve
Action: External rotation and extension of the hip joint. Supports the extended knee through the IT band, and abduction of the hip

A

Gluteus Maximus

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20
Q

Gluteus Medius

A

Origin: Gluteal surface of the ilium
Insertion: Greater trochanter
Nerve: Superior Gluteal nerve
Action: abduction of the hip, lateral rotator of the thigh

21
Q

Gluteus minimus

A

Origin: Area between anterior gluteal line and inferior gluteal line of gluteal surface of ilium
Insertion: Greater trochanter
Nerve: Superior gluteal nerve
Action: Abduction of the hip,medial rotator of the thigh

22
Q

Tensor Fascia Latae

A

Origin:Iliac crest
Insertion: Iliotbial band
Nerve: Superior GLuteal nerve
Action: At the hip: flexion, medial rotation, abduction
At the knee: Lateral rotation
Also stabilize torso in the frontal plane

23
Q

Medial rotators of the hip

A

Main: Gluteus maximus, gluteus minimus, Tensor fascia latae
Minor: Adductor brevis and longus
Superior portion of adductor magnus

24
Q

Action of the gluteus medius

A
  1. Abducts the hip joint
  2. Anterior fibres medially rotate and may help with flexion of the hip
  3. Posterior fibres laterally rotate and may assist with extension of the hip
  4. Important role in stabilizing the hip and rotating the pelvis during gait.
25
Q

Lateral rotators of the hip (deep 6)

A
  1. piriformis
  2. Gemellus superior
  3. obturator internus
  4. gemellus inferior
  5. Quadratus femoris
  6. Obturator externus
26
Q

Piriformis

A

Origin: Sacrum
Insertion: Greater trochanter
Innervation: Nerve to piriformis
action: external rotator of the hip joint, abduct hip in a flexed position

27
Q

What forms part of the triceps coxae?

A

Superior gemullus
Obturator internus
Inferior Gemellus

28
Q

sartorius

A

Origin: Anterior superior iliac spine
Insertion: pes anserinus
Nerve: Femoral n
Actions: flexes hip, flexes knee, abducts hip, externally rotates hipS

29
Q

States the Flexors

A
Iliopsoas
sartorius
tensor fasciae latae
Rectus femoris tendon
pectineus 
adductor longus
adductor brevis
adductor magnus-anterior part
gracilis
30
Q

States the adductors

A
pectineus
Adductor longus
adductor brevis
Adductor magnus
obturator externus 
gracilis
31
Q

States the lateral rotators

A
Obturator externus
piriformis
obturator internus
gemelli
Quadratus femoris
Gluteus maximus
32
Q

states the extensors

A
Gluteus maximus
Hamstrings: semitendinosus
                     semimembranosus
                     long head, biceps femoris
Adductor magnus- posterior part
33
Q

States the abductors

A

Gluteus medius
Gluteus minimus
tensor fasciae latae

34
Q

State the medial rotators

A

Gluteus medius
Gluteus minimus
tensor fasciae latae

35
Q

Whose Q angle is larger? Female or male? and why?

A

female.Bigger opening in the pelvis. Facilitate child birth.

36
Q

Lined with articular ligament cartilage

approx 70% of the head of the femur articulates with it

A

acetabulum

37
Q

Rim of fibrocartilage

A

Acetebular labrum

38
Q

3 ligaments blend with joint capsule:

A

iliofemoral
pubofemoral
ischiofemoral

39
Q

iliofemoral ligament

A

y shaped
located on the anterior side
Resists:extension rotation and some adduction
Supports most of the body weight- plays an important role in standing posture

40
Q

Located on anterior side

Resists: abduction, some external rotation and extension

A

pubofemoral ligament

41
Q

Ischiofemoral ligament

A

Located on posterior side

Resists: extension, adduction and internal rotation

42
Q

Posterior and anterior tilt of pelvis with flexion and extension respectively

A

Pelvofemoral rhythm

43
Q

Why does the hip extension only 10 to 15 degrees?

A

It is limited by anterior portion of joint capsule, hip flexor muscles and ligaments (especially the iliofemoral ligament)

44
Q

Abduction is limited by?

A

Adductor muscles

45
Q

Adduction is limited by ?

A

Tensor fascia latae muscle

46
Q

Medial & lateral rotation 30-50 degrees are limited by?

A

Antagonist muscles and ligaments

47
Q

What consists of the femoral triangle?

A

Nerve, artery and vein

48
Q

Causes pain and irritation at the sciatic nerve

A

Piriformis syndrome