Trunk and spine Contents Trunk and spine Difficulty in flexing and extending the back Liv2 with lumbar pain Difficulty in extending the back Bl62 Inability to rotate Gb13 with pain in chest and lateral costal region Liv5 with inflexibility of back Liv13 with lumbar pain and inability to bend at waist Sj1 with pain of shoulder and back St12 with lumbar pain Bl19 with distention, pain of chest and lateral costal region Bl29 Difficulty in rotation St30 Inability to lateral flex body Gb43 with pain of chest Spinal rigidity with inability to flex and extend back Du4 Inflexibility Liv5 Bl22 and shoulder with stiffness Stiffness of the back Li2 and shoulder with pain Si6 and shoulder with pain Bl22 and shoulder with inflexibility Bl44 with pain Bl62 with difficulty in extension Stiffness of the spine Du1 Du9 Du13 Du15 Du26 with pain Kid18 Bl46 with pain Stiffness and contraction of spine Du8 Spasm causing backward arching of head, neck and spine (opisthotonos) Du4 Du12 Du20 Du24 Liv3 Bl18 Bl62 Sprain of the spine Du15 Du26 with pain of lumbar spine Weakness of the spine Gb25 Contraction Bl41 and shoulder, scapula Bl60 and shoulder Rigidity Liv13 Bl5 Bl11 Bl17 Bl18 and neck Crooked spine Bl13 Lumbar spine Inability to flex and extend Du2 with pain of lumbar region and hips Du5 Difficulty in flexing and extending the back Liv2 with lumbar pain Inability to forward bend (flexion) Liv13 with inability to turn Difficulty in forward bend (flexion) Bl28 Stiffness Du4 Du6 Kid4 with pain Bl13 with pain Bl22 with pain Bl24 with pain Bl25 with rigidity Bl28 and buttock with pain Bl29 with pain Bl38 with pain Bl39 with pain Bl40 with pain Bl52 with pain Bl53 with pain Bl57 with pain Rigidity Ren9 Bl25 Bl37 with pain Weakness Ren4 and legs Heaviness Si6 with pain Bl40 and buttock Crooked lumbar spine Gb20 leading to flaccidity and lack of strength of the sinews of the neck Rushing sensation up and down lumbar spine Kid13 Kid15 Lumbar sprain Ren6 Contraction Ren7 and knees Bl56 with pain