Hip & Thigh Flashcards
Tibia & Fibula
Tibia is medial
Fibula is lateral
Carrying angle
Knee closer to midline: reduces resistance lever arm
Weight is mostly on medial side; medial condyle of femur is larger
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/320/q_image_thumb.png?1521497762)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/320/a_image_thumb.png?1521497766)
Ligament btwn Tibia and Fibula?
Interosseous Ligament
(Site for muscle attachment)
ACL tear
(Anterior cruciate ligament)
Results from twisting bones of knee in opposite directions
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/920/q_image_thumb.png?1521498113)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/920/a_image_thumb.png?1521498119)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/952/q_image_thumb.png?1521498128)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/952/a_image_thumb.png?1521498134)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/972/q_image_thumb.png?1521498142)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/370/972/a_image_thumb.png?1521498150)
Patella
Intramembranous bone, forms in tendon, rides in patellar groove of femur.
Purpose: increase effort lever arm of quadriceps
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/371/000/a_image_thumb.png?1521498375)
Mammalian limb rotation
- Evolutionary dorsal muscles are now anterior/lateral
- Evolutionary ventral muscles are now posterior/medial
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/515/328/q_image_thumb.png?1521639232)
Tensor fascia latae
Att: iliac blade, IT band, lateral condyle of tibia
Inn: lumbosacral plexus
Action: hip abduction, flexion, medial rotation
IT band syndrome
Common in runners, inflammation of IT band
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/515/710/q_image_thumb.png?1521639431)
Gluteus maximus
Att: Iliac blade, sacrum, coccyx, IT band
Inn: lumbosacral plexus
Action: Hip extension, lateral rotation
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/515/796/q_image_thumb.png?1521639606)
Gluteus medius & minimus
Att: iliac blade, greater trochanter of femur
Inn: lumosacral plexus
Action: hip abduction
Pelvis evolution?
Apes: tall, coronally oriented iliac blades
Humans: short, sagitally oriented iliac blades
Gluteus medius and minimus shift from extensors (apes) to abductors (humans)
Pelvic tilt stabilization (standing on 1 leg): which muscles?
Gluteus medius and minimus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/516/145/q_image_thumb.png?1521639877)
Sartorius
Att: Anterior superior iliac spine, tibia
Inn: femoral nerve
Action: hip abduction, flexion, lateral rotation, knee flexion
![](https://s3.amazonaws.com/brainscape-prod/system/cm/239/516/311/q_image_thumb.png?1521639983)
Femoral nerve
Innervates sartorius, pectineus, and quadriceps group