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Muscles of the Hip - Mr. Brewer. Hip Movements Video https://www.youtube.com/watch?v=qlCvKEOZtp o -Intro Video that explains some muscles of the hip and.

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Presentation on theme: "Muscles of the Hip - Mr. Brewer. Hip Movements Video https://www.youtube.com/watch?v=qlCvKEOZtp o -Intro Video that explains some muscles of the hip and."— Presentation transcript:

1 Muscles of the Hip - Mr. Brewer

2 Hip Movements Video https://www.youtube.com/watch?v=qlCvKEOZtp o -Intro Video that explains some muscles of the hip and the actions they create. -Start at ~4:30.

3 Actions - Hip Flexion – (3) - Hip Extension – (3) - Hip Adduction – (5) - Hip Abduction – (1) - Inward Rotation – (1) - Outward Rotation – (1 group of 6 muscles) - Hip Extension AND Outward Rotation – (1) Total: 15 Muscles

4 Hip Flexion Which of these pictures represents hip flexion that involves all 4 quadricep muscles? Why?

5 Hip Flexion -Rectus Femoris – The only muscle in the quadriceps group that crosses the hip joint. -Attaches proximally to the AIIS of the pelvis.

6 Hip Flexion Iliopsoas : -The Iliopsoas is a common term used for the Psoas and Iliacus muscles in combination. -They have different originations, but join together and insert distally at the lesser trochanter of the femur. * Psoas -Broken down into the Psoas Major and Psoas Minor muscles. -Attach proximally to the LUMBAR vertebrae. (Origin) Iliacus – - Covers the inside of the Ilium and attaches along the Iliac Crest.

7 Hip Flexion -Pectineus – The pectineus muscle is primarily responsible for flexion of the femur at the hip. -Because of it’s location, the pectineus also assists in hip adduction.

8 Hip Extension Both are considered to be “Hip Extension” exercises, but which of the following hip extension exercises involves the hamstrings more? Why?

9 Hip Extension Hamstrings: Biceps Femoris : -Lateral hamstring muscle Semitendinosus and Semimembranosus : -The Medial hamstring muscles * All 3 of the Hamstring muscles attach proximally to the ISCHIAL TUBEROSITY.

10 Hip Extension -Gluteus Maximus -Primary function is Hip Extension. -With Knee bent, Hip Flexion relies on the Glute Max more- so than with the leg fully extended at the knee. -Distal insertion includes joining to the IT Band.

11 Hip ABduction

12 -Hip Abduction uses the muscles on the lateral aspect of the thigh and hip to move the femur from the midline of the body, laterally to the outside. -http://www.mayoclinic.org/healthy- living/fitness/multimedia/standing-hip- abduction/vid #http://www.mayoclinic.org/healthy- living/fitness/multimedia/standing-hip- abduction/vid #

13 Hip ABduction Gluteus Medius – The gluteus medius muscle is a small muscle that lies directly underneath the Gluteus Maximus. The location on the lateral hip gives the Gluteus Medius a larger role in hip Abduction than the Gluteus Maximus which primarily is responsible for Hip Extension.

14 Hip ADDuction Hip ADDuction – bringing the femur back to the mid-line of the body. -Primarily uses adductor muscles that some people refer to as the “groin” muscles, located on the inside(medial) portion of the thigh. -Which exercise shown to the right involves the Gracilis more? Why?

15 Hip ADDuction Gracilis: – The Gracilis is the longest of the adductor muscles. – The only adductor muscle to also cross the knee joint for additional stability. – Same reason as to why the Gracilis is more active with Hip Adduction that takes place while the knee is at or below 0 degrees. (Full Extension or Hyperextension)

16 Hip ADDuction Adductor Longus and Adductor Brevis: – *Both the Longus and Brevis muscles attach proximally to the pubis bone. – The longus is a little longer, and also forms the medial border of the femoral triangle. Adductor Magnus: – The largest and deepest of the adductor muscles. – Very large muscle that covers most of the medial aspect of the thigh. – Forms what is called the “adductor hiatus”

17 Adductor Hiatus

18 Femoral Triangle The Femoral Triangle is a space that is formed by the borders of the different muscles and a ligament. This “Triangle” is space for nerves and blood vessels to travel. -Adductor Longus – Medially -Sartorius – Laterally -Inguinal Ligament – Superiorly

19 Medial(Internal) or Lateral(External) Rotation? 12 3 Medial Rotation Lateral RotationMedial Rotation

20 Inward Rotation and Outward Roation A.K.A. Medial and External rotation of the femur. https://www.youtube.com/watch?v=vItv4L 2ktYI – Knee in Full Extension https://www.youtube.com/watch?v=vItv4L 2ktYI https://www.youtube.com/watch?v=bZAFe mNhiVk – Bent Knee (Sitting and Supine) https://www.youtube.com/watch?v=bZAFe mNhiVk

21 Medial (Inward) Rotation Gluteus Minimus: – The smallest of the gluteal muscles. – Connects from the Ilium along the gluteal line and wraps around to connect to the greater trochanter of the femur. – Active use of this muscles will cause the femur to rotate medially.

22 External (Outward) Rotation

23 Gluteus Medius and Minimus https://www.youtube.com/watch?v=0CEeHPpY MfMhttps://www.youtube.com/watch?v=0CEeHPpY MfM – Video shows layer by layer view of gluteal muscles of the hip. - Also illustrates movements that they are involved in creating at the hip.


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