Bilateral Simultaneous Quadriceps Tendon Rupture in a 24-Year-Old Obese Patient: A Case Report and Review of the Literature

Table 1

Reported obese patients with SBQTR.

References	Age/sex	Mechanism of injury	Location of tear	Time before diagnosis	Risk factor(s)	BMI	Outcome
Steiner and Palmer, 1949 [6]	67/M	Slip and fall	NM	2 days	Obesity	NM	Ambulatory with AD after 5 weeks
Dalal and Whittam, 1966 [14]	63/M	Fall	OT	The same day	Obesity	NM	Extensor lag at 10 weeks
Firooznia et al., 1973 [15]	62/M	Fall	MT	NM	Obesity/DM	NM	NM
Julius, 1984 [3]	58/M	Fall	MT	The same day	Obesity	NM	Full ROM at 4 months
Dhar, 1988 [2]	75/M	Fall	MT	7 days	Obesity/HTN	NM	Extensor lag & ambulatory with AD at 4 months
	61/M	Fall	NM	2 days	Obesity	NM	Full ROM at 5 months
Nabors and Kremchek, 1995 [16]	43/M	Fall	OT & MT	2 weeks	Obesity	NM	Ambulatory with AD at 6 months
El-Zahaar, 1995 [17]	61/F	Fall	NM	The same day	Obesity/osteoporosis	NM	After 7 months, LT knee: 15 degrees of extension lag, RT knee: 20 degrees of extension lag, walks with a cane
Kelly et al., 2001 [18]	52/M	Fall	OT	The same day	Obesity	50.21	After 6 month, LT knee: 10 degrees of extension lag, RT knee: 25 degrees of extension lag
Neubauer et al., 2007 [19]	52/M	Fall	OT	4 weeks	Obesity/HTN	NM	Decreased ROM with good strength at 14 months
	30/M	Fall	OT	3 days	Obesity	NM	Full ROM & strength at 21 months
LaRocco et al., 2008 [20]	52/M	Walking up a flight of stairs	NM	2 days	Obesity/DM/HTN	NM	NM
Abduljabbar et al.	24/M	Sport injury	OT	The same day	Obesity	35	Full ROM & strength with no extension lag at 4 months. Back to sports at 1 year post-op

MT: musculotendinous junction, OT: osteotendinous junction, NM: not mentioned, AD: assistive device, ROM: range of motion, DM: diabetes mellitus, HTN: hypertension, LT: left, and RT: right.