Hamstrings Flashcards
Biceps Femoris - Long: Distal
Head of Fibula
Biceps Femoris - Long: Prox
Ischial tuberosity
Biceps Femoris - Long: Nerve
Sciatic (tibial branch)
L5, S1-2,3
Biceps Femoris - Short: Prox
Lateral lip of linea aspera (halfway down shaft of femur)
Biceps Femoris - Short: Distal
Head of fibula
Biceps Femoris - Short: Nerve
Sciatic (peroneal branch)
L5, S1-2
Semitendinosus: Prox
Ischial tuberosity
Semitendinosus: Distal
Prox., medial shaft of tibia at pes anserinus tendon
Semitendinosus: Action
There are 5 actions
- Flex knee
- Med. rot. knee when flexed
- Extend hip.
- Assist to med rot. hip
- Tilt pelvis post.
Semitendinosus: Nerve
Sciatic (tibial branch)
L4,5
S1,2
Semi. Membranosus: Prox
Ischial tuberosity
Semi. Membranosus: Distal
Post aspect of medial condyle of tibia
Semi membranosus: Action
- Flex knee
- Med. rot. knee when flexed
- Extend hip.
- Assist to med rot. hip
- Tilt pelvis post.
Semi membranosus: Nerve
Sciatic (tibial branch)
L4,5
S1,2
Biceps Femoris action
- flex knee
- extend hip
- LAT rot. Knee (when flexed)
- assists to LAT rot. Hip
- tilt pelvis posterior
** short head does not cross hip joint so it cannot affect hip motion.