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Muscle movements

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Created on November 3, 2020

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Transcript

Muscles movement & Muscles of the leg

Movements

Adduction- Movement of a limb toward the midddle or midline of the body Abduction- Movement of a limb away from the middle or midline of the body

Movements

Flexion - A bending movement in which the angle of the joint decreases Extension- A straightening of the joint which increases the angle

Movements

Rotation -To turn upon its axis Circumduction- Circular movement combining flexsion, extension, adduction and abductionwith no rotation

Movements

Plantar flexion- the movement of the ankle joint in which the foot is flexed downwards (standing on toes) Dorsi flexion - To bend at the ankle and move the front of the foot upwards

Movements

Inversion - Turning the foot inward Eversion - Turning the foot outwards

Muscles of the leg

Muscles of the leg

Quadraceps 4 muscles at the anterior of the thigh

  • Rectus femoris
  • Vastus medialis
  • vastus lateralis
  • Vastus intermedius
All extend the knee, rectus femoris also flexes the hip

Muscles of the leg

PectineusFlexes the hip, adducts the thigh and medially rotates the thigh to turn upon its axis

Muscles of the leg

Adductors3 muscles on the medial area of the thigh

  • Adductor longus
  • Adductor brevis
  • Adductor magnus
Adduction of the hip and assists in flexion and medial rotaion of the hip

Muscles of the leg

Gracilis Adduction of the hip, assists in flexion and medial rotation of the flexed knee

Muscles of the leg

Sartorius Assists in flexion, abduction, lateral rotation of the hip and assists flexion and medial rotation of the knee Longest muscle in the body

Muscles of the leg

Hamstrings3 muscles at the posterior of the thigh

  • Biceps femoris
  • Semitendinosis
  • Semimembranosus
Flex and extend the hip, tilt the pelvis posteriorly and medially rotate the flexed knee

Muscles of the leg

Glutes3 muscles that form the buttocks

  • Gluteus Minimus
  • Gluteus Medius
  • Gluteus Maximus
Flex and extend the hip, tilt the pelvis posteriorly and medially rotate the flexed knee

Muscles of the leg

Gastrocnemius Plantar flexion of the foot at the ankle and flexion of the knee

Muscles of the leg

SoleusPlantar flexion of the foot Lies deep under the gastrocnemius but is wider Muscle contracts to assist in pumping blood back to the heart from the lower leg

Muscles of the leg

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And just because I can...I gift you an annoying muscles song!