What would happen if we had a hinge joint in the neck
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ɪғ ᴏᴜʀ ɴᴇᴄᴋ ʜᴀᴅ ʜɪɴɢᴇ ᴊᴏɪɴᴛ ᴡᴇ ᴡᴏᴜʟᴅ ɴᴏᴛ ʙᴇ ᴀʙʟᴇ ᴛᴏ ᴍᴏᴠᴇ ᴏʀ ʀᴏᴛᴀᴛᴇ ᴏᴜʀ ɴᴇᴄᴋ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴs. ʜɪɴɢᴇ ᴊᴏɪɴᴛs ᴀʟʟᴏᴡs ᴍᴏᴠᴇᴍᴇɴᴛ ᴏɴʟʏ ɪɴ ᴏɴᴇ ᴅɪʀᴇᴄᴛɪᴏɴ
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ʏᴏᴜ ᴍɪɢʜᴛ ʜᴀᴠᴇ ɴᴏᴛɪᴄᴇᴅ ᴛʜᴀᴛ ʏᴏᴜ ᴀʀᴇ ᴀʙʟᴇ ᴛᴏ ʙᴇɴᴅ ᴏʀ ʀᴏᴛᴀᴛᴇ ᴏᴜʀ ʙᴏᴅʏ ɪɴ ᴘʟᴀᴄᴇs ᴡʜᴇʀᴇ ᴛᴡᴏ ᴘᴀʀᴛs ᴏғ ᴛʜᴇ ʙᴏᴅʏ sᴇᴇᴍ ᴛᴏ ʙᴇ ᴊᴏɪɴᴇᴅ ᴛᴏɢᴇᴛʜᴇʀ — ʟɪᴋᴇ ᴇʟʙᴏᴡ, sʜᴏᴜʟᴅᴇʀ ᴏʀ ɴᴇᴄᴋ. ᴛʜᴇsᴇ ᴘʟᴀᴄᴇs ᴀʀᴇ ᴄᴀʟʟᴇᴅ ᴊᴏɪɴᴛs. ɪғ ᴏᴜʀ ʙᴏᴅʏ ʜᴀs ɴᴏ ᴊᴏɪɴᴛs, ɪᴛ ᴡᴏᴜʟᴅ ɴᴏᴛ ʙᴇ ᴘᴏssɪʙʟᴇ ғᴏʀ ᴜs ᴛᴏ ᴍᴏᴠᴇ ɪɴ ᴀɴʏ ᴡᴀʏ ᴀᴛ ᴀʟʟ.
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