The term Hacky Sack is the trademarked name of a type of footbag, but has since become the generic term for either the foot bag itself or the game itself.
Hacky Sack was created in 1972.
In hacky sack, several muscle groups are engaged, primarily the muscles of the legs, including the quadriceps, hamstrings, and calves, as well as the hip flexors. Core muscles, such as the abdominals and obliques, also play a crucial role in maintaining balance and stability during play. Additionally, the muscles in the feet and ankles are heavily utilized for control and precision when striking the sack. Overall, hacky sack is a full-body activity that emphasizes coordination and agility.
Ball sack IS a slang term. See the related question for the whole list.
a gunny sack is a sack made of gunny or burlap
A Sack for pooping
Hacky Sack was created in 1972.
The hacky sack was invented in China. Another name for hacky sacks are footbags.
It appears to be a Hacky Sack term, not a medical term.
ati
1982
5 billion bounces!
50 Pounds
i don't now
yes! i had to do it in P.E.
hacky sack
"Hackin' the Sack" now known as Hacky Sack
Yes there are rules to the game hacky sack. No hands is one of the rules.For more rules and basic moves you can visit http://www.x-village.com/fbinfoframe.html.