lab 6-hip

Question 1

Answer 1

psoas major
Origin: Vertebral bodies of T12-L4, intervertebral discs between T12-L4, transverse processes of L1-L5 vertebrae
Insertion: Lesser trochanter of femur as iliopsoas tendon
nerve: lumbar plexus (L1-L3)
Action: Hip joint: Flexion of the thigh/trunk, lateral rotation of the thigh
Lateral flexion of the trunk

Question 2

Answer 2

sartorius
Origin: Anterior Superior Iliac Spine.
Insertion: Pes Anserinus
Nerve: Femoral n.
Actions: Flexes Hip, Flexes Knee,
Abducts Hip, Externally Rotates Hip
*Tailor’s Position
** Longest muscle in the human body
Sartorius

Question 3

Answer 3

illiacus
Origin: Iliac fossa
Insertion: Lesser trochanter of femur
Action: Hip joint: Thigh/trunk flexion

Question 4

Answer 4

rectus femoris
origin: anterior inferior iliac spine, ilium plevius
insertion: patella via quadrieps, femoris tendon
action: knee extendor

Question 5

Answer 5

adductor longus
Origin: Pubic body,
just below crest
Insertion: Middle 1/3
of the Linea aspera
Innervation:
Obturator n.
Action: Adducts hip

Question 6

Answer 6

adductor brevis
Origin: Ant. Surface of the
inferior ramus of the body
of the pubis
Insertion: Lesser
trochanter and Linea
aspera
Innervation: Obturator n.
Action: Adducts hip
(some flexion)

Question 7

Answer 7

adductor mangus
Origin Adductor part: pubis
hamstring part: Ischial tuberosity
Insertion ad: obutrator
hamgstring: sciatic nerve
action
extends hip (hs) flexs hip (ad) both adducts hip
innervation: obturator and sciatic nerve

Question 8

Answer 8

Gracilis
Origin ischiopubic ramus
Insertion pes anserinus
Actions flexes medially rotates and adducts the hip
innervention: obturator n

Question 9

Answer 9

piriformis
Origin: Sacrum
Insertion: Greater
Trochanter
Innervation: Nerve
to Piriformis
Action: External
rotator of the hip joint,
abducts hip in a flexed
position

Question 10

Answer 10

gluteus maximus
Origin: Gluteal surface of the
ilium, lumbar fascia, sacrum
Insertion: Gluteal tuberosity of
the femur and iliotbial band
Nerve: Inferior Gluteal Nerve
Action: External rotation and
extension of the hip joint.
Supports the extended knee
through the IT band, and
abduction of the hip

Question 11

Answer 11

gluteus minimus
Origin: Area between ant.
Gluteal line and inf. Gluteal line
of Glutueal surface of ilium
Insertion: Greater Trochanter
Nerve: Superior Gluteal Nerve
Action: Abduction of the hip,
medial rotator of the thigh

Question 12

Answer 12

gluteus medius
Origin: Gluteal Surface of
the ilium
Insertion: Greater
Trochanter
Nerve: Superior Gluteal
Nerve
Action: Abduction of the hip,
Lateral rotator of the thigh

Question 13

Answer 13

semimembranosis
Origin ischial tuberosity
Insertion Medial condyle of tibia
Action flex knee, extend hip
innervention: sciatic N (tibial)

Question 14

Answer 14

semitendinosis
Origin Ischial tuberosity
Insertion pes anserinus
Action flex knee, extend hip
innervention: sciatic nerve (tibial)

Question 15

Answer 15

bicep femoris
Origin Long head: ischial tuberosity
Short head: linea aspera of femur
Insertion: head of fibula
innervention: LH- tibial SH- common fibula
Action: both heads flex knee, long head extends hip

Question 16

Answer 16

pectineus
Origin: Pectineal line of
the pubic bone
Insertion: Pectineal line
of the femur
Innervation: Obturator n.
Action: Flexes & Adducts
hip assists with medial
rotation.

Question 17

Answer 17

tensor fascia latea
Origin: Iliac Crest
Insertion: Iliotbial band
Nerve: Superior Gluteal
Nerve
Action: At the Hip: Flexion,
Medial Rotation, abduction
At the knee: Lateral
rotation
Also stabilize torso in the
frontal plane.

Question 18

illiacus

Answer 18

origin: upper region of the 2/3 iliac fossa
insertion: base of lesser tronchanter of the femur
nerve: femoral nerve
action: flexes and laterally rotates the hip joint