What is the function of the rectus femoris muscle?
What is the function of the rectus femoris muscle?
The word rectus is a latin word connoting “straight”. Thus the rectus femoris received its name because it runs straight down the thigh. It is a two way acting muscle as it crosses over the hip and knee joint; therefore, it contributes to 90° of knee flexion and assists iliopsoas in hip flexion.
What does the rectus femoris connect to?
Structure and Function The rectus femoris tendons conjoin at an acute angle spreading into the aponeurosis. The end of the muscle inserts into the base of the patella, forming the patellar tendon with the rest of the quadriceps muscles.
What muscle is used to extend the leg?
quadriceps femoris muscle group
The quadriceps femoris muscle group (rectus femoris, vastus lateralis, vastus medius, and vastus intermedius) crosses the knee via the patella and acts to extend the leg.
What is the function of rectus abdominis?
The main function of the rectus abdominis is to move the body between the ribcage and the pelvis. external oblique muscles – these are on each side of the rectus abdominis. The external oblique muscles allow the trunk to twist, but to the opposite side of whichever external oblique is contracting.
What exercise works the rectus abdominis?
1. Forearm Plank. The forearm plank is a staple in core workouts. Not only does it target the entire rectus abdominis, but it also challenges your entire core and several muscles in your upper body.
What muscle crosses the posterior knee?
Popleitis – This is a deep and very small muscle that attaches proximally at the lateral femoral condyle and distally to the posterior tibia below the medial tibial condyle. It crosses the back of the knee, lateral to medial.
What is gluteus medius?
The gluteus medius is a highly functional muscle that helps with hip movement and should not be confused with the gluteus maximus. It sits along the outer surface of the ilium, near the pelvis, between the posterior and middle gluteal lines.
What are the 4 functions of the rectus abdominis?
Rectus abdominis muscle
| Origin | Pubic symphysis, pubic crest |
|---|---|
| Blood supply | Inferior epigastric and superior epigastric arteries; contributions from posterior intercostal, subcostal and deep circumflex arteries |
| Function | Trunk flexion, compresses abdominal viscera, expiration |
What is the rectus?
The rectus abdominis muscle, also known as the “abdominal muscle” or simply the “abs”, is a paired muscle running vertically on each side of the anterior wall of the human abdomen, as well as that of some other mammals.
