EXTENSORS OF HIP JOINT (HIP JOINT KINETICS(HIP COMPLEX BIOMECHANICS)Physiotherapy Tutorials
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summary of the video with the time for reference:
1. Gluteus maximus 1 :33
large quadrangular muscle
attached to sacrum, it band, ilium, gluteal tuberosity, dorsal SI Ligament, Sacro tuberous ligament
High moment arm at neutral and more at 70 degree hip flexion where glutes are in slightly stretched position.
It can cause lateral rotation 3:51
gets help from posterior fiber of gluteus Medius
2.Hamstring 4:23
-biceps femoris on laeral side
-semi membranosis and semi tendinosis on medial side
-Active in sufficiency 5:26
-Passive in sufficiency
-Has large moment arm for extension when hip is in 30 degree flexion or both hi[p and knee at 90 degree when both the joints are considered
-biceps femoris on laeral side cause lateral rotation
-semi membranosis and semi tendinosis on medial side cause medial rotation
#hipjointbiomechanics #hipjointcapsule #biomechanicsofhip
