Question

short note on " types of joints."​

Answer 1

Answer:

There are six types of freely movable diarthrosis (synovial) joints: Ball and socket joint. Permitting movement in all directions, the ball and socket joint features the rounded head of one bone sitting in the cup of another bone. Examples include your shoulder joint and your hip joint.

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Answer 2

ᴛʜᴇʀᴇ ᴀʀᴇ sɪx ᴛʏᴘᴇs ᴏғ ғʀᴇᴇʟʏ ᴍᴏᴠᴀʙʟᴇ ᴅɪᴀʀᴛʜʀᴏsɪs (sʏɴᴏᴠɪᴀʟ) ᴊᴏɪɴᴛs:

• ʙᴀʟʟ ᴀɴᴅ sᴏᴄᴋᴇᴛ ᴊᴏɪɴᴛ: ᴘᴇʀᴍɪᴛᴛɪɴɢ ᴍᴏᴠᴇᴍᴇɴᴛ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴs, ᴛʜᴇ ʙᴀʟʟ ᴀɴᴅ sᴏᴄᴋᴇᴛ ᴊᴏɪɴᴛ ғᴇᴀᴛᴜʀᴇs ᴛʜᴇ ʀᴏᴜɴᴅᴇᴅ ʜᴇᴀᴅ ᴏғ ᴏɴᴇ ʙᴏɴᴇ sɪᴛᴛɪɴɢ ɪɴ ᴛʜᴇ ᴄᴜᴘ ᴏғ ᴀɴᴏᴛʜᴇʀ ʙᴏɴᴇ. ᴇxᴀᴍᴘʟᴇs ɪɴᴄʟᴜᴅᴇ ʏᴏᴜʀ sʜᴏᴜʟᴅᴇʀ ᴊᴏɪɴᴛ ᴀɴᴅ ʏᴏᴜʀ ʜɪᴘ ᴊᴏɪɴᴛ.

• ʜɪɴɢᴇ ᴊᴏɪɴᴛ: ᴛʜᴇ ʜɪɴɢᴇ ᴊᴏɪɴᴛ ɪs ʟɪᴋᴇ ᴀ ᴅᴏᴏʀ, ᴏᴘᴇɴɪɴɢ ᴀɴᴅ ᴄʟᴏsɪɴɢ ɪɴ ᴏɴᴇ ᴅɪʀᴇᴄᴛɪᴏɴ, ᴀʟᴏɴɢ ᴏɴᴇ ᴘʟᴀɴᴇ. ᴇxᴀᴍᴘʟᴇs ɪɴᴄʟᴜᴅᴇ ʏᴏᴜʀ ᴇʟʙᴏᴡ ᴊᴏɪɴᴛ ᴀɴᴅ ʏᴏᴜʀ ᴋɴᴇᴇ ᴊᴏɪɴᴛ.

• ᴄᴏɴᴅʏʟᴏɪᴅ ᴊᴏɪɴᴛ: ᴛʜᴇ ᴄᴏɴᴅʏʟᴏɪᴅ ᴊᴏɪɴᴛ ᴀʟʟᴏᴡs ᴍᴏᴠᴇᴍᴇɴᴛ, ʙᴜᴛ ɴᴏ ʀᴏᴛᴀᴛɪᴏɴ. ᴇxᴀᴍᴘʟᴇs ɪɴᴄʟᴜᴅᴇ ʏᴏᴜʀ ғɪɴɢᴇʀ ᴊᴏɪɴᴛs ᴀɴᴅ ʏᴏᴜʀ ᴊᴀᴡ.

• ᴘɪᴠᴏᴛ ᴊᴏɪɴᴛ: ᴛʜᴇ ᴘɪᴠᴏᴛ ᴊᴏɪɴᴛ, ᴀʟsᴏ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ʀᴏᴛᴀʀʏ ᴊᴏɪɴᴛ ᴏʀ ᴛʀᴏᴄʜᴏɪᴅ ᴊᴏɪɴᴛ, ɪs ᴄʜᴀʀᴀᴄᴛᴇʀɪᴢᴇᴅ ʙʏ ᴏɴᴇ ʙᴏɴᴇ ᴛʜᴀᴛ ᴄᴀɴ sᴡɪᴠᴇʟ ɪɴ ᴀ ʀɪɴɢ ғᴏʀᴍᴇᴅ ғʀᴏᴍ ᴀ sᴇᴄᴏɴᴅ ʙᴏɴᴇ. ᴇxᴀᴍᴘʟᴇs ᴀʀᴇ ᴛʜᴇ ᴊᴏɪɴᴛs ʙᴇᴛᴡᴇᴇɴ ʏᴏᴜʀ ᴜʟɴᴀ ᴀɴᴅ ʀᴀᴅɪᴜs ʙᴏɴᴇs ᴛʜᴀᴛ ʀᴏᴛᴀᴛᴇ ʏᴏᴜʀ ғᴏʀᴇᴀʀᴍ, ᴀɴᴅ ᴛʜᴇ ᴊᴏɪɴᴛ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ғɪʀsᴛ ᴀɴᴅ sᴇᴄᴏɴᴅ ᴠᴇʀᴛᴇʙʀᴀᴇ ɪɴ ʏᴏᴜʀ ɴᴇᴄᴋ.

• ɢʟɪᴅɪɴɢ ᴊᴏɪɴᴛ: ᴛʜᴇ ɢʟɪᴅɪɴɢ ᴊᴏɪɴᴛ ɪs ᴀʟsᴏ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ᴘʟᴀɴᴇ ᴊᴏɪɴ. ᴀʟᴛʜᴏᴜɢʜ ɪᴛ ᴏɴʟʏ ᴘᴇʀᴍɪᴛs ʟɪᴍɪᴛᴇᴅ ᴍᴏᴠᴇᴍᴇɴᴛ, ɪᴛ’s ᴄʜᴀʀᴀᴄᴛᴇʀɪᴢᴇᴅ ʙʏ sᴍᴏᴏᴛʜ sᴜʀғᴀᴄᴇs ᴛʜᴀᴛ ᴄᴀɴ sʟɪᴘ ᴏᴠᴇʀ ᴏɴᴇ ᴀɴᴏᴛʜᴇʀ. ᴀɴ ᴇxᴀᴍᴘʟᴇ ɪs ᴛʜᴇ ᴊᴏɪɴᴛ ɪɴ ʏᴏᴜʀ ᴡʀɪsᴛ.

• sᴀᴅᴅʟᴇ ᴊᴏɪɴᴛ: ᴀʟᴛʜᴏᴜɢʜ ᴛʜᴇ sᴀᴅᴅʟᴇ ᴊᴏɪɴᴛ ᴅᴏᴇs ɴᴏᴛ ᴀʟʟᴏᴡ ʀᴏᴛᴀᴛɪᴏɴ, ɪᴛ ᴅᴏᴇs ᴇɴᴀʙʟᴇ ᴍᴏᴠᴇᴍᴇɴᴛ ʙᴀᴄᴋ ᴀɴᴅ ғᴏʀᴛʜ ᴀɴᴅ sɪᴅᴇ ᴛᴏ sɪᴅᴇ. ᴀɴ ᴇxᴀᴍᴘʟᴇ ɪs ᴛʜᴇ ᴊᴏɪɴᴛ ᴀᴛ ᴛʜᴇ ʙᴀsᴇ ᴏғ ʏᴏᴜʀ ᴛʜᴜᴍʙ.