Bio Lab: Muscles and Bones of the Lower Limbs

foot navicular

foot calcaneus

foot cuboid

foot navicular

foot medial cuneiform

foot intermediate cuneiform

foot lateral cuneiform

foot metatarsal bones (1-5)

foot proximal phalanges (1-5)

foot middle phalanges (2-5)

foot distal phalanges (1-5)

pelvis acetabulum

pelvis pubis

pelvis illium

pelvis ischium

pelvis obturator foramen

knee medial condyle

knee lateral condyle

knee lateral epicondyle

knee medial epicondyle

tibia medial condyle

tibia lateral condyle

patella

tibia medial malleolus

fibula lateral malleolus

fibula calcaneus (side view)

blank spot

fibula talus (side view)

fibula navicular (side view)

E

fibula cuboid

question mark

adductor brevis

c
origin: pubis
insertion: femur (linea aspera)
action: adduction, flexion, and medial rotation at hip

adductor longus

D
origin: pubis
insertion: femur (linea aspera)
action: adduction, flexion, and medial rotation at hip

adductor magnus

E
origin: pubis and ischium
insertion: femur (linea aspera, gluteal tuberosity)
action: adduction, flexion, and medial rotation at hip

gracilis

B
origin: pubis and ischium
insertion: tibia, just below medial condyle
action: adduction and medial rotation of hip; flexion at knee

pectineus

A
origin: pubis
insertion: femur
action: adduction, flexion, and medial rotation of hip

psoas major (anterior)

origin: vertebrae (T12-L5)
insertion: femur, lesser trochantum
action: flexion at hip

gluteus maximus

origin: ileum,
insertion: femur (greater trochantum)
action: extension and lateral rotation of thigh at hip

gluteus medius

origin: ileum
insertion: femur, greater trochantum
action: abduction and medial rotation of thigh at hip

obturator externus

origin: obturator foramen
insertion: femur, neck
action: lateral rotation at hip

obuturator internus

origin: internal surface of the obturator foramen
insertion: femur, greater trochanter
action: lateral rotation at hip

piniformis

origin: sacrum, ilium, sacroiliac joint
insertion: femur, greater trochanter
action: lateral rotation at the hip

quadratus formis

origin: ischium tuberosity
insertion: femur, intertrochantric crest
action: lateral rotation at the hip

superior and inferior gemellus

origin: ischium
insertion: femur
action: lateral rotation at the hip

biceps femoris

origin: ischium, femur
insertion: fibula
action: flexion at knee, extension an lateral rotation at hip

satorius

origin: Ilium
insertion: tibia
action: flexion at knee, and extension at hip

semimembraneous

origin: ischium
insertion: tibia, medial condyle
action: flexion at knee and extension at hip

semitendinosus

origin: ischium
insertion: tibia
action: flexion at knee and lateral rotation at hip

rectus femoris

origin: ileum and acetabalum
insertion: tibial tuberosity
action: extension at knee, flexion at hip

vastus intermedius

origin: femur
insertion: tibial tuberosity
action: extension at knee

vastus medialis

origin: femur
insertion: tibial tuberosity
action: extension at knee

vastus lateralis

origin: femur
insertion: tibial tuberosity
action: extension at knee

gastrocnemius

origin: femur
insertion: calcaneus
action: plantar flexion, flexion at knee

soleus

origin: fibula and tibia
insertion: calcaneus
action: plantar flexion at ankle