upper limb ppt - UPPER LIMB What is a limb Sensory to upper...

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UPPER LIMB What is a limb? Sensory to upper limb Making it move Bones and joints Muscles and nerves Vascular supply Surface anatomy (muscle study hint)
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What is a limb? Ventral somatic outgrowth of outer tube Bones (with bone, cartilage, marrow, NAV, etc.) Joints Muscle Nerves Vascular supply No viscera--all innervation is somatic (motor or sensory) from ventral ramus of spinal nerve (except autonomics to blood vessels)
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Sensory from limb (dermatomes/sensory skin segments from spine) Dermatomes extend over limbs Twisted orientation reflects twisting of limb during development Named nerves generally innervate skin over muscles that they innervate
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Sensory territory of nerves Brachial plexus serves to re- direct spinal routes into named nerves covering certain territory Cutaneous branches of medial cord/ulnar nerve
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Upper Limb Skeleton (old hat?) Scapula Humerus Radius, ulna Carpals--proximal, distal Digits Metacarpals Phalanges
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Joints JOINT BETWEEN MOVEMENT TYPE
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Muscles of Scapula If INSERTION on scapula = Move scapula Rhomboids Trapezius Pectoralis Minor
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upper limb ppt - UPPER LIMB What is a limb Sensory to upper...

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