Muscles and Nerves Lecture Flashcards

1
Q

What joints does the biceps brachii cross?

A

The biceps brachii crosses:

Shoulder joint

Elbow joint

Superior radio-ulnar joint

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2
Q

Where does a skeletal muscle move towards during contraction?

A

During contraction a skeletal muscle always moves towards its point of origin

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3
Q

What is Hilton’s Law?

A

Hilton’s Law states the nerve supplying the muscles extanding directly across and acting at a given joint also innervates the joint and the overlying skin

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4
Q

What comparments are present in upper limbs?

A

Anterior and posterior compartments are present in upper limbs

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5
Q

What compartments are present in the lower leg?

A

Anterior, posterior and lateral compartments are present in the lower leg

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6
Q

What compartments are present in the thigh?

A

Anterior, posterior and medial compartments are present in the thigh

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7
Q

What do ligaments do?

A

Ligaments stabalise joints by joining bone to bone

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8
Q

What is the advantage of plexuses?

A

Skeletal muscles are controlled by different axons from different levels of the spinal cord, meaning if one area is damaged it doesn’t completely stop the innervation of the tissue

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9
Q

Which rami forms plexuses?

A

Only the ventral rami forms plexuses, except tharacic ventral rami which do not form them

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