Page 31 - BODY MECHANICS
P. 31

Ascending and Descending



                                                                                 Stairs










                                                                                 • The higher demands of stair negotiation therefore requires
                                                                                    greater knee extensor strength than walking


                                                                                        ➢can lead to fatigue and instability if the additional
                                                                                           muscle force required begins to approach the

                                                                                           maximum strength available
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