# Kines - BX 207 Anatomical Kinesiology Force Torque and...

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Unformatted text preview: BX 207 Anatomical Kinesiology Force, Torque and Levers Homework #2 Name: Z Section #: 1. For each muscle force: a) draw and label the rotary and non-rotary components. b) note if the non-rotary component is tending to increase or decrease joint stability c) note if the angle of pull is > 90, < 90 or = to 90 degrees. .1900 ﬁg ef‘ﬂd ﬂ‘rx aalrﬁ s‘iﬂtbliIi-7 2. Label the centric and eccentric forces below. For the eccentric forces also draw in the appropriate moment arm. (m a) 1 - - (.01 Ht. control"; IL.- ectf'hihi. 3. As the joint goes from extension to midposition to ﬂexion describe what happens to a) the magnitude of the muscle force b) the length of the moment arm 0) the torque Ensmeww O) {n.dpoerhmb) Hindi/U 3) Fun-(eff) small 1'3ng Email 19') Mom‘bm PYtM (Nﬂ) Slqw‘i )(mq 511 rfY+ C) Ton®Vi ﬁrm” W059- gm“! (F r MD?) ‘7‘ Theo at! Pollux-w Hat; saw-t1 firmed 4. For the following lever systems, label the fulcrum or axis (A), resistance force (R) and effort force (E). Identify what classiﬁcation each lever represents and, based on relative length of effort and resistance arm indicate if it has mechanical advantage, disadvantage or neither. R. Fl 3*“ elm-56 MP1 = 4] I“ Clad-3‘2 mu Ntﬂ'tiW-L m5 = l C' G) duédAVQﬂ—lﬁk ‘ u- 20" class 3* (Maxim mﬂ : > I the thatqu ad \I claim ...
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