FIGURE 18.3 Teig the supports the subject\'s knee so thattjnct\' msies are relax
ID: 3478089 • Letter: F
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FIGURE 18.3 Teig the supports the subject's knee so thattjnct' msies are relaxet, and then strikes the paarament with the effes hammer The proper ocattion may be ascertalined by palpation of the would you say that nervous system activity or muscle f tion is resposible for ihe changes you have just observed 3. The Achilles, or ankle-jerk, reflex assesses the first wo sacral segments of the spinal cord. Remove your shoe. Have your partner use one hand to dorsiflex your foot to increase the tension of the gastrocnemius (calf) muscle, and sharply tap your calcaneal (Achilles) tendon with the reflex hammer (Figure 164). What is the result? Does the contraction of the gastrocnemius normally result in the activity you have observed? The stretch reflexes that have been demonstrated so far are examples of reflexes in which the reflex pathway is initiated and completed at the spinal cord level. I cord re-Explanation / Answer
3. in an ankle jerk reflex a positive result will menifest the jerking of feet towards the plantar surface. this reflex is monosynaptic segmental reflex. they help for maintenance of corresponding spinal segment.lps for the integrity of cutaneous innervation, motor supply, and cortical input
thecontraction of calves musces resulted into the hardening of muscle which may be due to the shortening of the muscle bundle filaments. after prolonged period of contraction it causes fatigue to the muscle
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