Term
| pectoral girdle bones (2) |
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Term
| wrist bones / ankle bones |
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Definition
| scaphoid lunate triquetrum pisiform trapezium trapezoid capitate hamate; talus, calcaneus, medial intermediate and lateral cuneiform bones, cuboid, navicular |
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Term
| biceps brachii; muscle lever arm, load lever arm, fulcrum |
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Definition
| elbow flexor + resists extension. muscle force = 10X load at 90 degrees. |
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Term
| what is the load on legs? |
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Definition
| the body! load force is just gravity. |
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| good leverage + low muscle forces for legs |
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Definition
| standing straight; poor leverage when squatting |
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Term
| knee extensors do what also |
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| what happens with poor leverage in legs? |
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Definition
| high muscle forces due to increased load lever arm |
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Definition
| requires that the center of gravity remains within the base of support |
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Definition
| dynamic gait; series of controlled falls |
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Term
| center of gravity in humans |
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Definition
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| walking is characterized by what kind of movement |
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Definition
| pendular arc; inverted pendulum-like movement |
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Definition
| generalized musculoskeletal weakness; parkinson's; old person walk, with wide gait and decrease in step length, swing time, arm movements and speed |
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Definition
| = foot-drop gait. results from polio or tibialis anterior deficiency (blow to knee damaging peroneal nerve)- compensates to prevent toe dragging |
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Definition
| dorsiflexor and resistor of plantarflexion |
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Term
| foot slap in steppage gait is because |
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Definition
| tib. ant. can't resist plantar flexion when heel hits ground |
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Term
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Definition
| gluteus medius deficit. usually abducts hip and prevents pelvic tilt. |
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Term
| which side is low during swing period of trendelenburg gait? |
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