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Is hypolordosis part of lower crossed syndrome?
No!
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What is short and tight with lower crossed
syndrome?
- Iliacus
- Rec fem
- Lumbar erectors
- TFL/ ITB
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What is typically weakened with lower crossed syndrome?
- Abdominals
- Gluts
- Hamstrings
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What twelve muscles perform hip flexion?
- Adductor longus, magnus, brevis
- Gracilis
- Pectinius
- Iliacus
- Psoas
- Rec fem
- Sartorius
- TFL
- Glut med & min
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What six muscles produce hip extension?
- Semimembranosis
- Semitendonosis
- Biceps femoris
- Adductor magnus (fourth hamstring)
- Glut max
- Glut med
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What ten posterior muscles produce hip adduction?
- Pectinius
- Gracilis
- Adductor longus, brevis and magnus
- Semitendonosis
- Semimembranosis
- Iliacus
- Psoas
- Lower fibers of glut max
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What muscle does hip external rotation (posterior muscles)?
Biceps femoris
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What four muscles do knee flexion?
- Biceps femoris
- Gracilis
- Semimembranosis
- Semitendonosis
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What three muscles do knee internal rotation?
- Semimembranosis
- Semitendinosis
- Gracilis
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What muscle does knee external rotation?
Biceps femoris
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What are the concentric actions of TFL (3)?
- Flexes hip
- Internally rotates hip
- Abducts hip
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What are the concentric contractions of piriformis?
- Horizontally abducts hip when flexed to 90
- Internally rotates when past 90.
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When glut med is weak, which other muscle needs to work harder to keep the hip stabilized?
TFL
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What muscles have trigger points at the hip?
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What muscle is considered a powerful plantar flexor?
Soleus
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What muscle is involved in medial tracking patella?
Vastus medialis
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What muscle is involved with lateral tracking patella?
Vastus lateralis
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Is pronation an eccentric or concentric action?
- Eccentric
- Loading
- Deceleration
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Is supination an eccentric or concentric action?
- Concentric
- Unloading
- Acceleration
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Two examples of forced couples involved in lower crossed syndrome.
- Erectors and hip flexors
- Abdominals and hamstrings
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What happens during the loading (pronation) phase in the gait cycle (3)?
- dorsiflexion
- eversion
- abduction
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What happens during the unloading (supination) phase in the gait cycle (3)?
- plantar flexion
- inversion
- adduction
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What are the actions for piriformis?
- Horizontally abducts hip when flexed to 90
- Internally rotates when past 90
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Actions of TFL
- Flexes the hip
- Internally rotates hip
- Abducts hip
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Peroneals do what two actions?
- Eversion
- Assist with plantar flexion
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What two muscles do inversion?
Tibialis posterior and anterior
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Concentric, isometric and eccentric actions of the deep lateral rotators
- Concentric- external rotation
- Isometric- stabilization of the pelvis and hip
- Eccentric- decelerates internal rotation of hip, particularly during loading phase of gait
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