It can also be incorporated into a variety of date and time formulas as shown in rows four to 12 above for such things as: 1  finding dates that are so many days past the current date -row four above; 2  finding the number of days to the end of the current month - row six above; 3  returning the current minute - row eight above.
Causes of Tendon weakness: 1  Systemic lupus erythematosus. 2  Dermatomyositis. 3  Polymyositis. 4  Systemic sclerosis. 5  Wegener's granulomatosis. 6  Cutis laxa. 7  Duputyren's contracture. 8  Mucopolysaccharidoses.
Achilles Tendon Rupture Causes. The Achilles tendon can grow weak and thin with age and lack of use. Then it becomes prone to injury or rupture. Achilles tendon rupture is more common in those with preexisting tendinitis of the Achilles tendon.