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Snowboarding Lauren, Katie, Amanda, Liz In Motion Basic Muscles Rectus Femoris Gluteus Maximus Gastrocnemius Rectus Abdominus Rectus Femoris The rectus femoris muscle is one of quadriceps muscles.

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snowboarding

Snowboarding

Lauren, Katie, Amanda, Liz

basic muscles
Basic Muscles
  • Rectus Femoris
  • Gluteus Maximus
  • Gastrocnemius
  • Rectus Abdominus
rectus femoris
Rectus Femoris
  • The rectus femoris muscle is one of quadriceps muscles.
  • It goes from the hip to the knee and can be used to straighten the knee or lift the knee up.
rectus femoris5
Rectus Femoris
  • Origin:
    • anterior head: anterior inferior iliac spine (AIIS)
    • posterior head: ilium just above the acetabulum
  • Attachment:
    • common quadriceps tendon into patella
    • patellar ligament
gastrocnemius
Gastrocnemius
  • the muscle in the back part of the leg that forms the greater part of the calf
  • the most superficial of the muscles of the posterior compartment of the lower limb distal to the knee.
  • It acts to plantar flex the foot at the ankle and raise the heel during walking
gastrocnemius8
Gastrocnemius
  • Origin:
    • medial head: just above medial condyle of femur
    • lateral head: just above lateral condyle of femur
  • Attachment:
    • Achilles Tendon
gluteus maximus
Gluteus Maximus
  • is one of the largest and strongest muscles in the body.
  • the most superficial muscle in the gluteal region
  • broad and thick fleshy mass of a quadrilateral shape.
  • Extends and rotates hip. Maintain knee extension.
gluteus maximus11
Gluteus Maximus
  • Origin:
    • outer rim of ilium
    • dorsal surface of sacrum and coccyx
    • sacrotuberous ligament
  • Attachment:
    • IT band (primary insertion)
    • gluteal tuberosity of femur
rectus abdominus
Rectus Abdominus
  • Rectus abdominis controls the tilt of the pelvis and curvature of the lower spine.
  • Also known as abs
rectus abdominus14
Rectus Abdominus
  • Origin:
    • pubis
  • Insertion:
    • cartilage of 5th - 7th ribs