Ex. I - Origins, Insertions & Actions Flashcards
epitrochlearis origin & insertion
o: lateral surface of ventral border of latissimus dorsii: olecranon process of ulna
biceps brachii origin & insertion
o: cranial to glenoid fossa in bicipital groove of humerusi: radial tuberosity near proximal end of radius
brachioradialis origin & insertion
o: lateral supracondylar ridge of humerusi: distal styloid process of radius
flexor carpi radialis origin & insertion
o: medial condyle of humerusi: metacarpals
flexor carpi ulnaris origin & insertion
o: medial condyle of humerus and olecranon of ulnai: pistiform bone and metacarpals
extensor carpi radialis longus origin & insertion
o: lateral supracondylar ridge of humerusi: metacarpals
extensor carpi radialis brevislateralisulnaris origin & insertion
o: lateral epicondyle of humerusi: metacarpals
triceps brachii, long origin & insertion
o: axilary border of scapula below glenoid fossai: olecranon process of ulna
triceps brachii, lateral origin & insertion
o: humerus- proximal pt. of deltoid ridgei: olecranon process of ulna
brachialis origin & insertion
o: lateral surface of humerusi: medial surface of ulna below semilunar arch
coracobrachialis origin & insertion
o: coracoid process of scapulai: medial shaft of humerus
triceps brachii, medial (two heads) origin & insertion
o: dorsomedial surf. of humerus & medial surf. of supracondyloid forameni: olecranon process of ulna
supinator origin & insertion
o: supinator crest of ulna, lateral epicondyle of humerusi: radial tuberosity, surface of radius
sartorius origin & insertion
o: anterior superior iliac spine of pelvisi: upper tibia
gracilis origin & insertion
o: ischiopubic ramus of pubic bonei: upper tibia
vastus lateralis (quadriceps femoris) origin & insertion
o: greater trochanter of femur-dorsolateral surfacei: patella
gluteus medius origin & insertion
o: gluteal surface of iliumi: greater trochanter of femur
gluteus maximus origin & insertion
o: gluteal surface of iliumi: gluteal tuberosity of femur
tensor fasciae latae origin & insertion
o: iliac cresti: iliotibial tract
biceps femoris origin & insertion
o: tuberosity of ischium, linea aspera, femuri: head of fibula
gastrocnemius origin & insertion
o: both epicondyles & patellai: proximal end of calcaneus (achilles’ tendon)
tibialis anterior origin & insertion
o: lateral shaft of tibia & head of fibulai: medial surface of 1st metatarsal
extensor digitorum longus origin & insertion
o: lateral epicondyle of femuri: tendons to 2nd & terminal phalanges of each digit
peroneus longus origin & insertion
o: head & lateral surface of shalf of fibulai: 1st & 5th metatarsals & slender branches to other metatarsals
pectineus origin & insertion
o: pectineal line of pubic bonei: pectineal line of femur
adductor longus origin & insertion
o: pubic bone just below cresti: linea aspera of femur
adductor femoris origin & insertion
o: inferior ramus of pubic bonei: linea aspera of femur
rectus femoris (quad. femoris) origin & insertion
o: anteior inferior iliac spinei: patella
vastus medialis (quad. femoris) origin & insertion
o: medial side of femuri: patella
vastus intermedius (quad. femoris) origin & insertion
o: anteriolateral femuri: patella
semimembranosus origin & insertion
o: ischial tuberosityi: medial condyle of tibia
semitendinosus origin & insertion
o: ischial tuberosityi: upper tibia
soleus origin & insertion
o: lateral surface of head of fibula & proximal part of ventral border of fibulai: proximal end of calcaneus (achilles’ tendon)
flexor digitorum longus origin & insertion
o: head of fibular & shaft of tibiai: tendon of flex. hallucis longus which divides & goes to 4 tendons at base of terminal phalanges
flexor hallucis longus origin & insertion
o: shaft of tibia & fibulai: tendon of flexor dig. longus
sartorius action
flexion, abduction, and lateral rotation of hip
gracilis action
flexion, abduction, and medial rotation of hip
vastus lateralis (quad. femoris) action
extends leg
gluteus medius action
abduction of hip, lateral rotation of thigh
gluteus maximus action
external rotation and extension of hip
tensor fasciae latae action
flexion and medial rotation of thigh, lateral rotation of leg
biceps femoris action
flexes knee
gastrocnemius action
extends foot
tibialis anterior action
flexes foot
extensor digitorum longus action
extends phalanges & foot
peroneus longus action
flexes foot
pectineus action
flexes thigh
adductor longus action
adduction of hip
adductor femoris action
adduction and lateral rotation of thigh
rectus femoris (quad. femoris) action
knee extension, hip flexion
vastus medialis (quad. femoris) action
extends lower leg
vastus intermedius (quad. femoris) action
extends lower leg
semimembranosus action
extension of hip, flexion of knee
semitendinosus action
flexion of knee, extension of hip
soleus action
extends foot
flexor digitorum longus action
flexes terminal phalanges
flexor hallucis longus action
flexes terminal phalanges
epitrochlearis action
assists triceps in forearm extensions
biceps brachii action
flexion of antibracium, supinate prone hand
brachioradialis action
flexion of forearm (at elbow)
flexor carpi radialis action
flexion and radial abduction of hand
flexor carpi ulranis action
flexion and adducation of hand
extensior carpi radialis, longus/brevisextensor carpi lateralis, ulnaris action
extension of wrist
triceps brachii, long/lateral action
extension of forearm (at elbow)
brachialis action
flexes forearm
coracobrachialis action
adducts humerus
triceps brachii, medial (two heads) action
extension of forearm (at elbow)
supinator action
supination of arm
