Lower Extremity Muscle Actions
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Lower Extremity Muscle Actions - Leaderboard
Lower Extremity Muscle Actions - Details
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67 questions
| 🇬🇧 | 🇬🇧 |
| What muscles cause hip flexion? | Iliopsoas, sartorius, retus femoris, adductor longus, pectineus, tensor fascia lata |
| What muscles cause external hip rotation? | Iliopsoas, posterior fibers of gluteus medisu, gluteus maximus, piriformis, gemellus superior, obturator internus, gemellus inferior, obturator externus, quadratus femoris, adductor magnus, adductor longus, adductor brevis |
| What muscles cause knee flexion? | Sartorius, gracilis, biceps femoris, semitendinosus, semimembranosus, popliteus, plantaris, gastrocnemius |
| What causes external rotation of the knee/tibia? | Sartorius, biceps femoris |
| What causes knee extension? | Rectus femoris, vasti muscles (lateralis, intermedius, medialis) |
| What muscles cause hip adduction? | Adductor magnus, gracilis, adductor brevis, adductor longus, pectineus, lower fibers of gluteus maximus |
| What muscles cause medially rotates tibia? | Gracilis, semimembranosus, semitendinosus, popliteus |
| What muscles cause hip abduction? | Tensor fascia lata, gluteus medius, gluteus minimus |
| What causes internal rotation of the hip? | Anterior fibers of gluteus medius, adductor longus, adductor brevis, adductor magnus, gluteus minimus |
| What causes medial rotation of the femur? | Gluteus minimus, anterior fibers of the gluteus medius, adductor longus, adductor brevis, and adductor magnus |
| What causes hip extension? | Gluteus maximus, biceps femoris, semitendinosus, semimembranosus |
| What causes internal rotation of the tibia? | Semitendinosus, semimembranosus, popliteus,gracilis |
| What causes extension of 2-5 MTP & IP Joints | Extensor digitorum longus |
| What causes dorsiflexion of ankle? | Extensor digitorum longus, extensor hallucis longus,t ibialis anterior, peroneus tertius |
| What causes eversion of the foot? | Extensor digitorum (w), peroneus brevis, peroneus longus, peroneus tertius |
| What causes extension of big toe ( 1st MTP, & IP) | Hallucis longus |
| What causes plantar flexion of the ankle? | Peroneus brevis, peroneus longus, gastrocnemisu, soleus plantaris |
| What causes inversion of the foot? | Tibialis posterior, flexor digitorum longus, flexor hallucis longus,extensor hallucis longus |
| What flexes digits 2-5 MTP | Flexor digitorum longus |
| What supports the longitudinal arches? | Flexor digitorum longus, flexor hallucis longus,perones longus |
| What causes flexion of big toe (1st MTP and IP) | Flexor hallucis longus |
| What does the iliopsoas muscle do? | Flexes hip, externally rotates the hip, flexes trunk when the thigh is stabilized (anterior tilt of pelvis) |
| What does the psoas minor muscle do? | Posterior tilt of the pelvis |
| What actions does the sartorius perform? | Flexes hip, flexes knee, and externally rotates knee/tibia |
| What does the rectus femoris muscle do? | Extends knee, and flexes hip |
| What muscles make upthe quadriceps femoris? | Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius |
| What actions do the vasti muscles perform? | Extend knee |
| What does the adductor magnus do? | Adducts hip (check slides about internal rotation) |
| What does the gracilis do? | Adducts hip, flexes knee, medially rotates tibia |
| What does the adductor brevis do? | Adducts hip (check lecture about IR rotation and external rotation) |
| What does the adductor longus do? | Adducts hip, flexes hip (check lecture about internal and external rotation) |
| What does the pectineus muscle do? | Adducts hip, flexes hip, tilt pelvis anteriorly |
| What does the tensor fascia lata do? | Flexes hip, abducts hip |
| What does the gluteus medius do? | Abducts hip, anterior fibers internally rotate thigh, posterior fibers externally rotate femur |
| What does the gluteus minimus do? | Abducts hip, medially rotates femur |
| What does the gluteus maximus do? | Extends hip, externally rotates hip, lower fibers adduct hip |
| What does the biceps femoris do? | Extends hip, flexes knee, externally rotates tibia |
| What does the semitendinosus do? | Extends hip, flexes knee, internally rotates tibia |
| What does the semimembranosus do? | Extends hip, flexes knee, internally rotates tibia |
| What are the external rotators? And what do they do? | Piriformis, gemellus superior, obturator internus, gemellus inferior, obturator externus, quadratus femoris -external rotation of the hip |
| What actions does the tibialis anterior do? | Dorsal flexion of ankle, and inversion of foot |
| What does the extensor digitorum longus do? | Extension of 2-5 MTP and IP joints dorsiflexion of ankle weak eversion |
| What does extensor hallucis longus do? | Extension of big toe (1st MTP & IP joint) dorsiflexion of ankle weak inversion |
| What does the peroneus terius do? | Eversion of foot dorsal flexion of ankle |
| What does teh peroneus longus do? | Eversion of foot plantar flexion of ankle arch support |
| What does peroneus brevis do? | Eversion of foot plantar flexion of ankle |
| What does the gastrocnemiius do? | Plantar flexion of ankle flexion of knee |
| What does the soleus do? | Plantar flexion of ankle |
| What does the plantaris do? | Assists knee flexion plantar flexion |
| What does popliteus do? | Flexion of knee internal rotation of tibia |
| What does tibialis posterior do? | Plantar flexion inversion of foot |
| What does flexor digitorum longus do? | Flexion of 2-5 MTP an dIP joints plantar flexion of ankle inversion of foot supports longitudinal arches |
| What does flexor hallucis longus do? | Flexion of great toe (1st MTP & IP joints) inversion of foot plantar flexion of ankle supports longitudinal arches |
| What type of joint is the sacroiliac joint?What action does it do? | Synovial glides/stabilizing? |
| What type of joint is the iliofemoral joint? | Ball and socket |
| What are components of the knee joint complex? | Tibiofemoral jiont patella femoral joint tibiofibular joint |
| What type of joint is the tibiofemoral joint?What actions does it do besides hingin? | Hinge joint flexion: internal rotaion extension:external rotation |
| What is the patellofemoral joint?What is the purpose of this joint | Patellar tendon embedded patella reduces friction between tendon and the bone |
| What type of joint is the tibiofibular joint?(proximal) | Plane joint -limited motion |
| What does the talocrural joint do? | Hinge joint -stabilize *may need to adjust |
| What type of joint is the distal tibiofibular joint | Fibrous joint llimited motion: no real movement |
| What type of joint is the talocalcaneal joint? (subtalar) | Hinge joint eversion and inversion |
| What type of joint is the Metatarsalphalangeal joint? | Condyloid flexion/extension abduction/adduction |
| What type of joints are the interphalangeal joints | Hinge joint flexion/extenion |
| Go through all the lower extremity joints | See list in notebook |
| Go through and label ligaments | Use notes and slides |