Lecture7a hip joint.pdf

Lecture7a hip joint.pdf - Joints Hip and Knee Introduction...

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Joints: Hip and Knee Introduction to Biomechanics 14:125:308
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Hip Anatomy: Bones Anterior View Posterior View
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Anterior Lateral Posterior Hip Anatomy: Ligaments
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Lateral Hip Anatomy: Ligaments
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Five important ligaments in the hip: The joint capsule connects the femoral head to the acetabulum and is comprised of 3 ligaments that are the main source of hip stability Iliofemoral ligament Pubofemoral ligament Isciofemoral ligament Ligamentum teres - contains a small artery that brings a small blood supply to the femoral head. Hip Anatomy: Ligaments
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Five important ligaments in the hip: Ligamentum teres - contains a small artery that brings a small blood supply to the femoral head. Labrum - serves the same purpose in hip and shoulder. The labrum attaches almost completely around the edge of the acetabulum, creating a deeper cup for the acetabulum socket. When injured, it can cause pain and clicking in the hip. Hip Anatomy: Ligaments
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Hip: Muscles and Tendons Anterior Lateral Posterior
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Main tendon at the hip: Iliotibial band - long tendon lateral to the hip that runs from the hip to the knee. It serves as a connecting point for several hip muscles. A tight iliotibial band can cause hip and knee problems Hip: Muscles and Tendons
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• Remember there are only 2 types of muscle ac5ons: Contrac5on Relaxa5on • These ac5ons act across joints to produce different mo5ons by which muscles are classified: Extensors Flexors Abductors Adductors Elevators Depressors Rotators Internal External Hip: Movements
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Major muscles of the hip Iliopsoas - combination of 3 muscles (psoas major, psoas minor, illiacus) - hip flexor
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