Kinesiology midterm

biceps femoris

o: LH- ischial tuberosity SH- linea aspera and lateral supracondylar line of femur

I: lateral side of head of fibula

segmental innervation: L5-S2

semitendinosus

o: ischial tuberosity

I: medial surface of tibia

segmental innervation: L5-S2

semimembranosus

o: ischial tuberosity

I: posterior part medial condyle of tibia

segmental innervation: L5-S2

rectus femoris

o: AIIS

I: tibial tuberosity via the patella tendon

segmental innervation: L2-L4

vastus medialis

o: intertrochanteric line of femur

I:tibial tuberosity via patella tendon

segmental innervation: L2-L4

vastus lateralis

o: greater trochanter of femur

I: tibial tuberosity via patella tendon

segmental innervation: L2-L4

vastus intermedius

o: anterior lateral surface of shaft of femur

I: tibial tuberosity via patella tendon

segmental innervation: L2-L4

knee flexors

hamstring mm group

knee extensors

quadriceps mm group

hip flexors

psoas major, iliacus (iliopsoas), rectus femoris, and sartorius

psoas major

o: transverse process of lumbar vertebrae, side bodies of T12-S1 vertebrae

I: lesser trochanter of femur

segmental innervation: L1, L2, L3

iliacus

o: superior iliac fossa, ala of sacrum

I: lesser trochanter of femur

segmental innervation: L2, L3

sartorius

o: ASIS

I: superior medial surface of tibia (pes anserine)

segmental innervation: L2,L3

hip extensors

hamstrings, gluteus maximus, adductor magnus

gluteus maximus

o: ilium posterior to posterior gluteal line; posterior surface of sacrum and coccyx

I: iliotibial tract, gluteal tuberosity of femur (gerdys tubercle)

segmental innervation: L5, S1,S2

adductor magnus

o: AH- inferior ramus of pubis HH- ischial tuberosity

I: AH- gluteal tuberosity, linea aspera of femur HH- adductor tubercle of femur

segmental innervation: AH- L2,L3,L4 HH- L4

hip abduction

tensor fasciae latae, gluteus medius, gluteus minimus

tensor fasciae latae

o: ASIS; anterior part of iliac crest

I: gerdys tubercle via iliotibial tract

segmental innervation: L4, L5, S1

gluteus medius

o: external surface of ilium between anterior and posterior gluteal lines

I: lateral surface of greater trochanter of femur

segmental innervation: L4, L5, S1

gluteus minimus

o: external surface of ilium between anterior and inferior gluteal lines

I: anterior surface of greater trochanter of femur

segmental innervation: L4, L5, S1

hip adduction

adductor longus, adductor brevis, adductor magnus, gracilis, pectineus

adductor longus

o: body of pubis inferior to pubic crest

I: middle of linea aspera of femur

segmental innervation: L2, L3, L4

adductor brevis

o: body and inferior ramus of pubis

I: pectineal line of femur; proximal linea aspera of femur

segmental innervation: L2, L3, L4

gracilis

o: body and inferior ramus of pubis

I: pes anserine of tibia

segmental inenrvation: L2, L3

pectineus

o: superior ramus of pubis

I: pectineal line of femur, inferior to lesser trochanter

segmental innervation: L2, L3

hip external rotation

gluteus maximus (assists), piriformis, obturator internus, obturator externus, gemellus superior, gemellus inferior, quadratus femoris

piriformis

o: anterior surface of 2nd-4th sacral segments; superior margin of greater sciatic notch

I: superior border of greater trochanter of femur

segmental innervation: S1, S2

obturator internus

o: pelvis surface of ilium and ischium; obturator membrane

I: medial surface of greater trochanter of femur

segmental innervation: L5, S1

obturator externus

o: margins of obturator foramen and obturator membrane

I: trochanteric fossa of femur

segmental innervation: L3, L4

gemellus superior

o: ischial spine

I: medial surface of great trochanter of femur

segmental innervation: L5, S1

gemellus inferior

O: ischial tuberosity

I: medial surface of greater trochanter of femur

segmental innervation: L5, S1

quadratus femoris

o: lateral border of ischial tuberosity

I: quadrate tubercle of intertrochanteric crest of femur

segmental innervation: L5, S1

hip internal rotators

gluteus minimus, gluteus medius, tensor fasciae latae

dorsiflexors

tibialis anterior, flexor digitorum longus, flexor hallucis longus, fibularis tertius

tibialis anterior

o: lateral condyle of tibia

I: medial and inferior surface of medial cuneiform and base of 1st metatarsal

segmental innervation: L4, L5

extensor digitorum longus

o: lateral condyle fo tibia

I: middle and distal phalanges of lateral 4 digits

segmental innervation: L5, S1

extensor hallucis longus

O: middle part of anterior surface of fibula

I: dorsal aspect of base of distal phalanx of hallux

segmental innervation: L5, S1

fibularis tertius

o: inferior part of anterior surface of fibula

I: dorsum of base of 5th metatarsal

segmental innervation: L5, S1

eversion

fibularis longus and brevis

fibularis longus

o: head of the fibula; superior part of lateral surface of fibula

I: base of the 1st metatarsal and medial cuneiform

segmental innervation: L5, S1, S2

fibularis brevis

o: middle part of lateral surface of fibula

I: dorsal surface of tuberosity of base of 5th metatarsal

segmental innervation: L5, S1, S2

plantarflexion

gastrocnemius, soleus, plantaris, flexor hallucis longus, flexor digitorum longus, tibialis posterior

tibialis posterior

o: posterior surface of tibia inferior to soleal line; posterior surface of fibula

I: tuberosity of navicular

segmental innervation: L4, L5

gastrocnemius

o: LH- lateral aspect of lateral condyle of femur MH- popliteal surface of femur

I: posterior surface of calcaneus via calcaneal tendon

segmental innervation: S1, S2

soleus

O: posterior aspect of head of fibula

I: posterior surface of calcaneus via calcaneal tendon

segmental innervation: S1, S2

inversion

tibialis posterior and anterior