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Author Question: How do the muscles in your arm extend your arm outward? (Read 29 times)

ereecah

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on: Jan 17, 2020
How do the muscles in your arm extend your arm outward?
◦ Some muscles in your arm relax and others contract, pulling the arm straight.
◦ The top half of your bicep wraps around underneath the elbow like a rope over a pulley. When it contracts, the arm is pulled out straight.
◦ The muscles in your arm push on the bones causing your arm to extend.
◦ The muscles in your arm relax and the tendons pull the arm straight.
Biology: The Core ¦ Simon ¦ 1st Edition
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Marked as best answer by ereecah on Jan 17, 2020

millet

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Reply #1 on: Jan 17, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ereecah

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Reply 2 on: Jan 17, 2020
Excellent

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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