Lab Five Flashcards
Three bones that make up the coxal bone
Ilium, ischium, pubis
Four bones that form the pelvis
Left and right coxal bones, sacrum, coccyx
“Hips” that we feel on sides of abdomen correlate to _____
Iliac crest
Attachment site for the inguinal ligament
Anterior superior iliac spine
Innominate bones is another word for…
Coxal bones
Coxal bones make up the….
Pelvic girdle
“Sit bones”
Ischial tuberosity
Origin site of hamstrings
Ischial tuberosity
Articulate surface of pubic symphysis joint
Symphyseal surface
Point of insertion for gluteus maximus
Gluteal tuberosity
Origin point of popliteus and soleus muscles
Soleal line
Head of fibula articulates with
Lateral tibial condyle
Lateral malleolus of fibula articulates with
Talus
Sacral and iliac articular surfaces form
Sacroiliac joint
Ligaments that strengthen sacroiliac joint
Sacroiliac, sacrotuberous, and sacrospinous ligaments
Type of cartilage in pubic symphysis joint
Fibrocartilage
Classification of pubic symphysis joint
Amphiarthrosis cartilaginous symphysis joint
Three main ligaments reinforcing the articular capsule
Iliofemoral ligament, pubofemoral ligament, ischiofemoral ligament
Function of medial and lateral meniscus
Cushioning, conforming to shape of articular capsule, increasing surface area in tibofemoral joint, and providing lateral stability
Function of anterior and posterior cruciate ligaments
Maintain alignment of femoral and tibial condyles
Function of tibial (medial) and fibular (lateral) collateral ligaments
Stabilize joint at full extension
Intertarsal joint which is key in allowing inversion and eversion of the foot
Subtalar joint
Two arches of the foot
Longitudinal and lateral arches
Name of joint formed by articulations of tibia, fibula, and talus bones
Talocrural joint
Four major ligaments that stabilize talocrural joint
Medial deltoid ligament, anterior talofibular ligament, posterior talofibular ligament, and calcaneofibular ligament
Origin and insertion of gluteus maximus
Origin: iliac crest, posterior gluteal line, lateral surface of ilium
Insertion: Iliotibial tract, and gluteal tuberosity of femur
Origin and insertion of gluteus medius
Origin: anterior iliac crest
Insertion: greater trochanter of femur
Origin and insertion of gluteus minimus
Origin: lateral surface of illium
Insertion: greater trochanter of femur
Origin and insertion of tensor faciae latae
Origin: iliac crest and lateral anterior iliac spine
Insertion: iliotibial tract
Tissue of iliotibial tract is made up of
Collagen tissue
Origin and insertion of iliacus
Origin: iliac fossa
Insertion: femur
Origin and insertion of psoas major
Origin: anterior surface and transverse process of T12-L5
Insertion: Lesser trochanter
Iliopsoas muscle is made up of _____ and ______ muscles
Iliacus and psoas major
Origin and insertion of semimembranosus muscle
Origin: ischial tuberosity
Insertion: Medial tibial condyle
Origin and insertion of semitendinosus
Origin: ischial tuberosity
Insertion: proximal medial surface of tibia
Origin and insertion of biceps femoris
Origin: ischial tuberosity
Insertion: head of fibula, lateral condyle of tibia
Hamstrings consist of which three muscles?
Semimembranosus, semitendinosus, biceps femoris
Origin and insertion of gracilis
Origin: inferior pubic ramis
Insertion: Medial tibia inferior to medial condyle
Collective actions of hamstrings
Extension of thigh at hip, and flexion of leg at knee
Origin and insertion of rectus femoris
Origin: iliac spine and superior acetabular rim
Insertion: tibial tuberosity
Origin and insertion of sartorius
Origin: anterior superior iliac spine
Insertion: medial tibia
Three muscles that act only on the knee joint
Vastus intermedius m., vastus medialis m., vastus lateralis m.
Four muscles that make up the quadriceps muscles
Vastus intermedius, medialis, and lateralis, and rectus femoris
Common insertion of quadriceps
Tibial tuberosity via quadriceps tendon
Muscles of the leg that act on the ankle joint and toes (6)
gastrocnemius, soleus, fibularis longus, fibularis brevis, tibialis anterior, and tibialis posterior
Four muscles responsible for plantar flexion
Gastrocnemius, soleus, fibularis brevis, and tibialis posterior
Muscle that supports logitudinal and transverse arches of the foot
Fibularis longus
Muscle responsible for dorsiflexion
Tibialis anterior