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Gait
MSK
| Question | Answer |
|---|---|
| Initial Contact Degrees and most active muscles? event? | 20 Flex: glut max, adductor magnus 5 Flex: Quadricep (con --> ecc) 0: Pretibials (ecc) Heel first contact |
| Loading Response Degrees and most active muscles? Event? | 20 flex: 15 flex: Hamstrings (con) Quadricep (ecc) 5 PF: Pretibials (ecc) hip stability, knee fleixon, PF |
| Mid stance Degrees and most active muscles? Event? | 0: glute med 5 flex: 5 DF: gastroc/soleus tibai advancement |
| Terminal stance degrees and most active muscles? Event? | 20 hyperextension: glute med 5 flex: 10 DF: gastroc (ecc) DF w heel rise, |
| Pre swing Degrees and most active muscles? Event? | 10 hyperextension: 40 flex: Quad, gracilis, sartorius (ecc) 15 PF: Passive knee flexion and ankle PF |
| Initial Swing Degrees and most active muscles? Event? | 15 flex: iliacus, gracillis, sartorius 60 flex: hamstrings 5 PF: Hip and knee fleixon |
| Mid Swing Degrees and most active muscles? Event? | 25 flex: 25 flex: hamstrings late (ecc) 0 : Pretibials more hip flexion and DF |
| Terminal swing Degrees and most active muscles? Event? | 20 flex: 5 flex: Quad (con) hamstrings (ecc) 0: knee extension |
| % of stance and swing | 60% stance 40% swing |
| Possible reasons for Foot slap? | decreased DF strength/function |
| Possible reasons for toes first IC? | Leg length discrepancy shortened PF weak DF painful heel |
| Possible reasons for foot flat IC? | fixed DF weak DF |
| Possible reasons for excessive PF in Midstance? | no ecc PF contraction (weak,flaccid) surgical over release rupture Achilles contracture |
| Possible reasons for heel lift in mid stance? | PF spasticity |
| Possible reasons for excessive DF in mid stance? | PF uncontrolled ecc hip or knee contractures |
| Possible reasons for toe clawing in mid stance? | PF grasp not fully innervated positive supportig reflex toe flexor spasticity |
| Possible reasons for no roll off in push off? | ankle and foot fixated PF r DF not working pain inforefoot |
| Possible reasons for toe drag in swing? | weak DF and toe ext PF spastic decreased knee or hip flexion |
| Possible reasons for foot varus in swing? | spastic invertors weak DF & EV extensor pattern |
| Possible reasons for excessive knee flexion at IC? | pain in knee spastic knee flexors weak quads short contra leg |
| Possible reasons for knee hyperextension in foot flat or mid stance phase? | weak quads soleus compensaiton by glut max pull spastic quads fixed PF deformity compensaiton |
| Possible reasons for Excessive knee flexion with push off? | Pelvic COG too far forward rigid trunk hip/ knee flexion contracture flexion withdrawal reflex dominance of flexion synergy |
| Possible reasons for excessive knee fexion wiht acceleration to mid swing? | v pre swing knee fleixon flexor withdrawl reflex dysmetria |
| Possible reasons for limite dknee flexsion with acceleration to mid swing? | knee pain diminished ROM of knee extensor spastiicty circumduct hip |
| Possible reasons for excessive hip flexion in heel strike? | hip/knee contracture knee flexion from weakn soleus and quadricep hypertonicity of hip flexors |
| Possible reasons for limited hip flexion in heel strike? | weak hip flexors limited range of hip flexion glute max weakness |
| Possible reasons for limited hip extension from foot flat to mid stance? | hip flexion contracture |
| Possible reasons for IR from foot flat to mid stance? | spastic IR weak ER excessive forward rot of op pelvis |
| Possible reasons for ER from foot flat to midstance? | excessive backward rot of opp pelvis |
| Possible reasons for hip abd from foot flat to mid stance | contracture of glute med trunk lat lean over ipsi hip |
| Possible reasons for hip adduction from foot flat to midstance? | spastic hip flexpr and adductors contra pelvic drop |
| Possible reasons for circumduction in swing phase? | comp for weak hip flexors inability to shorten leg to clear |
| Possible reasons for hip hike in swing phase? | lack kne or ankel flexion extensor spasticity |
| Possible reasons for excessive hip flexion in swing phase? | attempt to shorten for foot drop flexion pattern |
| Possible reasons for lateral trunk lean in stance phase? | weak glute on stance leg and lean over leg reduce force on painful hip |
| Possible reasons for backward trunk lean in stance phase? | weak glute max on stance leg ant rot pelvis |
| Possible reasons for forward trunk lean stance phase? | quad weakness hip and knee flexion contractures posteriorly rotated pelvis |
| adult normal step width | 2-4 inches |
| adult verticle displacement | 5 cm |
| adult horizontal displacement | 2.5-5cm |
| adult pelvic rot | 4 deg forward and backwards |
| PF most active and at their peak when | Pre swing |
| Mid swing what is the main muscle active | DFs |
| When do ankle IV turn on | Terminal swing |
| Average adult cadence | 110 -120 steps/min |
| Average toe out deg | 7 |
| two phases of DBL limb support | Pre swing initial contact into loading response |