Table 1

Simultaneous bilateral quadriceps tendon rupture in sports

Reference	Year	Age	Sex	How happened	Time before diagnosis	Method of repair	Where torn	Chronic disease	Postoperative regimen	Result
M, Male; spont, spontaneous; CRF, chronic renal failure; PTH, parathyroidism; L, left; R, right; Flex, flexion; Ext, extension.
This paper	2001	39	M	Fell	Same day	Operative	Osseotendinous junction	None	Plaster cylinder for 4–6 weeks	Flex: 90 deg (L), 73 deg (R), no ext lag at 6 months

Liow & Tavares⁴	1995	29	M	Fell	Same day	Operative	Osseotendinous junction	Steroid use	Plaster cylinder for 8 weeks	Flex: 60 deg; Ext lag: minimal at 4 months

David et al³	1994	32	M	Spont	Not mentioned	Operative	Osseotendinous junction	Steroid use	Plaster cylinder for 6 weeks	Ext lag 5–10 deg at 1 year

Stephens & Anderson⁵	1987	22	M	Fell	Same day	Operative	Osseotendinous junction	CRF, secondary hyperPTH, obesity	Not mentioned	Back to work at 14th week, normal power at 10 weeks

Grenier & Guimont²	1983	39	M	Spont	One day	Operative	Osseotendinous junction	None	Plaster cylinder for 5 weeks	FROM at 7 months