'You use this broad, flat muscle to raise your shoulders; it's the daring young man on the non-flying...'
the trapezius
HEY THERE, MUSCLES: You use this broad, flat muscle to raise your shoulders; its the daring young man on the non-flying...
You use this broad, flat muscle to raise your shoulders; it's the daring young man on the non-flying...
You use this broad, flat muscle to raise your shoulders; it's the daring young man on the non-flying...
HEY THERE, MUSCLES
the trapezius
HEY THERE, MUSCLES