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Applied Anatomy: Oral Exams > Hip Complex: Oral > Flashcards

Hip Complex: Oral Flashcards

1
Q

Joints

A

Sacroiliac Joint
Acetabulofemoral Joint
Pubic Symphysis

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2
Q

Osteokinematics & Normal AROM: Hip Flexion

A

120°

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3
Q

Osteokinematics & Normal AROM: Hip Extension

A

30°

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4
Q

Osteokinematics & Normal AROM: Hip ABduction

A

45°

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5
Q

Osteokinematics & Normal AROM: Hip ADDuction

A

30°

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6
Q

Osteokinematics & Normal AROM: Hip External Rotation

A

45°

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7
Q

Osteokinematics & Normal AROM: Hip Internal Rotation

A

45°

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8
Q

Arthrokinematics of the Hip: Sagittal (Flexion/Extension)

A

Flexion: Primarily Roll (minimal glide)
Extension: Primarily Roll (minimal glide)

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9
Q

Arthrokinematics of the Hip: Horizontal (Internal/External Rot)

A

Hip ER: Posterior Roll, Anterior glide of Femur
Hip IR: Anterior Roll, Posterior glide of Femur

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10
Q

Arthrokinematics of the Hip: Coronal Plane (Abduction/Adduction)

A

Hip ABduction: Superior Roll, Inferior Glide
Hip ADduction: Inferior Roll, Superior Glide

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11
Q

Ligaments of the Hip & Joint Function: Illefemoral ligament

A

Iliofemoral Ligament:
- Anterior & Superior
- STRONG Y Shaped
- Taut With Extension

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12
Q

Ligaments of the Hip & Joint Function: Pubofemoral Ligament

A

Pubofemoral Ligament
- Anterior & Inferior
Taut w/ extension & ABduction

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13
Q

Ligaments of the Hip & Joint Function: Ischiofemoral Ligament

A

Ischiofemoral Ligament
Posterior
Weakest of the 3 ligaments
Taut w/ internal rotation & Adduction

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14
Q

Ligaments of the Hip & Joint Function: Inguinal Ligament

A

Connects from ASIS to the Pubic Tubercle.
Forms boundary of femoral triangle and inguinal canal.
Provides attachment point for external oblique muscles.

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15
Q

Ligaments of the Hip & Joint Function: Long Dorsal Ligament

A

Connects PSIS to the lateral crest of the sacrum, anchors the sacrum proximally to prevent counternutation

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16
Q

Ligaments of the Hip & Joint Function: Sacrospinous

A

Attaches the outer edge of the sacrum/coccyx to the spine of the ischium.
Creates the greater and lesser sciatic foramen.

17
Q

Ligaments of the Hip & Joint Function: Sacrotuberous Ligament

A

Sacrotuberous Ligament

18
Q

Acetabular Labrum Function

A

Fibrocartilaginous rim attached to the margin of the acetabulum
Increases depth & articular surface by 10%
Doesn’t cover 360° of acetabulum due to the ligamentum teres
Transverse acetabular ligament bridges the gap formed

19
Q

Force Couples at the Pelvis: Anterior Tilt

A

Erector Spinae: extension of spine, pulls posterior iliac crest superiorly
Iliopsoas: trunk flexion, pulls anterior iliac crest inferiorly
Sartorius: hip flexion, pulls ASIS inferiorly

20
Q

Force Couples at the Pelvis: Posterior Tilt

A

Rectus Abdominis: trunk flexion, pulls pubic crest superiorly
Gluteus Maximus: hip extension, pulls ilium inferiorly
Hamstrings: hip extension, pulls ischial tuberosity inferiorly
External Obliques: Trunk flexion, assists rectus abdominus by providing stability and pulling pubic tubercles superiorly

21
Q

Right Positive Trendelenburg: What muscles may be impacted & how?

A

Weak (R) gluteus medius is not strong enough to hold the hip in position during single leg WB

Trendelenburg gait can be characterized by a sagging in the pelvis on the unsupported side during the stance phase of gait. In right positive Trendelenburg, the right gluteus medius (and possibly minimus) is affected during right sided single limb stance. This means that the right gluteus medius (and possibly minimus) does not contract properly when the left leg is in swing phase. This lack of contraction causes the left pelvis to sag when unsupported. In order to fix this, abduction exercises on the right side would be necessary to strengthen the gluteus medius (and possibly minimus). Another thing to consider is the over-activation of the quadratus lumborum on the affected side.

22
Q

Force Couples: Hip Flexion

A

Iliopsoas
Rectus femoris

23
Q

Force Couples: Hip extension

A

Glute max
Hamstrings (semitendi, semimembi, long head of biceps)

24
Q

Force Couples: Hip Abduction

A

Glute Medius
Glute Minimus
TFL

25
Q

Force Couples: Hip Adduction

A

Adductor longus
adductor brevis
adductor magnus
gracilis

26
Q

Force couples: Hip external rotation

A

Gluteus medius
glute min

27
Q

Sacral Nutation

A

Sacral nutation is a movement that cannot be actively completed. It involves the superior portion of the sacrum moving anteriorly while the inferior portion moves posteriorly. The movement is described as a nod. Alternatively, counternutation involves the superior portion moving posteriorly and the inferior portion moving anteriorly.

28
Q

Ligaments of the Hip & Joint Function: Long Dorsal Ligament

A

Connects PSIS to the lateral crest of the sacrum, anchors the sacrum proximally to prevent counternutation

Applied Anatomy: Oral Exams (6 decks)

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