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Hip Outline
from EK ch 9
| Question | Answer |
|---|---|
| ___________________ and ________________________ nerves are two largest nerves that exit _________________________ plexus | . |
| Femoral nerve innervates most of hip _______________ and all of knee ________________ | . |
| Obturator nerve innervates primarily hip ______________________ muscles | . |
| _________________________, composed of tibial nerve and common peroneal nerve | . |
| Tibial portion innervates most _____________________ muscles and extensor head of_______________________. | . |
| Common peroneal portion innervates remaining hamstring—_______________________and a number of muscles important to ________________ function | . |
| Other nerves from _______________________ plexus innervate gluteal muscles, tensor fasciae latae, and five of six short external rotator muscles | . |
| These nerves are largely named for _________________________ | . |
| Actively anteriorly tilting pelvis is created by force-couple involving __________________muscles and _______________________ | . |
| This interaction is similar to "push and pull" when turning a steering wheel; the erector spinaemuscles pull _______ at same time hip flexors pull __________ | upward/downward |
| Hip flexor muscles are used for variety of activities that are dependent on stabilization provided by ________________ | abdominal muscles |
| With weakened abdominal muscles, attempts at flexing extended leg often result in unwanted _________________________ pelvic tilt and excessive lumbar _____________________ | . |
| Posterior pelvic tilt is produced by a force-couple created by ___________________ muscles and hip ___________________________ | . |
| Posterior pelvic tilt ________________________ lordosis in lumbar spine | . |
| Activities such as running or jumping can require immense hip extension torques; position of ______________ elongates hip extensors, better enabling them to produce large forces | hip flexion |
| Many hip _______________________ muscles are converted to extensors when hip is in flexed position | . |
| Like switching gears in a car, position of hip flexion strongly engages available _________of numerous hip muscles | extension torque |
| Hip abductor muscles play critical role in controlling pelvis within _______plane while walking | frontal |
| During stance phase of gait, hip _______muscles of stance leg must hold pelvis__________ | abductor - level |
| As hip abductor muscles stabilize pelvis, they also create _________________________________, relevant to treating someone with an unstable or ___________hip joint | painful |
| Therapeutic measures (principles of joint protection) are often employed to _______________ large forces crossing a painful or weakened hip | . |
| One way to protect hip is to use cane in hand ________________________ affected hip | . |
| Cane is often used to _______________________ force production requirements of hip abductors, reducing _______________ that may further injure joint | opposite - compressive forces |
| By using cane in hand opposite affected hip, pelvis can be held _______ | level |
| Most obvious function of adductor muscles is to adduct ________, e.g., accelerating lower extremity across midline to kick soccer ball | femur |
| From a closed-chain perspective, this muscle group can also rapidly lower___________side of pelvis | . |
| Adductors accelerate lower extremity toward ball, adding force by actively lowering _____________ of | right side |
| Regardless of hip position, extensor head of ____________________________ is an extensor | . |
| Remaining hip adductors can function as _____________________ or __________________, depending on hip position, and can flexion and extension torque | . |
| Switching from flexion to extension may explain adductors' susceptibility to injuries while_____________________ | . |
| Six Short External Rotator Muscles: | piriformis - obturator int. - obturator ext. - quadratus femoris - gemellus sup. - gemellus inf. |
| Hip has ________________________ internal rotators, but several ___________________ internal rotators that help change direction of the advancing limb and balance force of other ____________muscles | - flexor |
| Secondary internal rotators include anterior fibers of ___________________and_______________,_______________,__________________,______________. | glut. med. - glut.min. - tensor fasciae latae, adductor longus, and adductor brevis |
| Angle of inclination: | Frontal plane angle created btwn femoral neck and shaft |
Created by:
llacorte
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