What is the direction of the fiber / muscle contraction: ( LEFT, RIGHT, UP, OR DOWN...

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Medical Sciences

What is the direction of the fiber / muscle contraction: ( LEFT,RIGHT, UP, OR DOWN )

  1. Supraspinatus, infraspinatus & teres minor (three of thefour rotator cuff muscles)
  2. Biceps brachii & pronator teres
  3. Triceps brachii
  4. Extensor digitorum, extensor carpi ulnarus & extensorretinaculum
  5. Gluteus maximus & gluteus medius
  6. Adductor longus
  7. Rectus femoris
  8. Hamstrings: biceps femoris, semitendinosus &semimembranosus
  9. Gastrocnemius
  10. Tibialis anterior

Answer & Explanation Solved by verified expert
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Muscle contraction is the form of activation of tension generating sites in the muscle fibers Muscle contraction does not necessarily mean a shortening of muscles because the muscle tension    See Answer
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