Functional Rehab Assignment
A 29 year old provincial rugby player presented with a non dominant right acute biceps femoris (BF) tear received 3 days earlier during a match.
Age, previous injury, hamstring (HS)weakness, increased lumbar lordosis / anterior pelvic tilt, poor flexibility, previous ipsilateral anterior cruciate ligament reconstruction, fatigue, inadequate warm-up and heavy training volume are all factors that predispose players to hamstring injuries(HSI) (Brooks et al., 2006; Kaux et al., 2015; Fyfe et al., 2013). Rugby incidence of HSI are 0.27 per 1000 training hours and 5.6 per 1000 playing hours – most commonly in 3rd and 4th match quarters, 2.5 – 3 times more frequent in backs than forwards( Brooks et al., 2006; Kaux et al., 2015).
BF long head(lh) has 3 major functions, extends the hip and contributes with BF short head(sh) to knee flexion and external rotation of the tibia, acting as a dynamic knee stabilizer, preventing tibial internal rotation in late knee extension.