CN103278278A - Strength tester for foot metatarsophalangeal joints - Google Patents
Strength tester for foot metatarsophalangeal joints Download PDFInfo
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- CN103278278A CN103278278A CN2013102394412A CN201310239441A CN103278278A CN 103278278 A CN103278278 A CN 103278278A CN 2013102394412 A CN2013102394412 A CN 2013102394412A CN 201310239441 A CN201310239441 A CN 201310239441A CN 103278278 A CN103278278 A CN 103278278A
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Abstract
A strength tester for foot metatarsophalangeal joints comprises a base plate, a pedal, a seat, a tension sensor and a computer. The seat is fixedly arranged at the back end of the base plate, a leg fixing frame is arranged on the base plate and is located in front of the seat, a suspension bracket is arranged at the front end of the base plate and is located in front of the leg fixing frame, the upper end of the tension sensor is hung on the suspension bracket, the back end of the pedal is hinged to the front portion of the base plate, the front end of the pedal is connected with the tension input end of the tension sensor, and the signal input end of tension sensor is connected with the computer through a signal line. According to the strength tester for the foot metatarsophalangeal joints, the pedal is used for transmitting the motion of the metatarsophalangeal joints, the tension sensor and the computer are used for metering and processing the bending strength data of the metatarsophalangeal joints, the leg fixing frame and a heel limiting board are used for removing the disturbance of the motion of other joints, the data collection process is simplified, the collection repeatability is good, the data are accurate, and the strength tester for the foot metatarsophalangeal joints is proven to be reliable and stable.
Description
Technical field:
The present invention relates to mechanical field, relate in particular to athletic training and Test Equipment, particularly at the strength building of foot articulationes metatarsophalangeae and the technology of test, concrete is a kind of foot articulationes metatarsophalangeae strength tester.
Background technology:
Articulationes metatarsophalangeae is under the jurisdiction of podarthral front portion, by constituting at the bottom of caput metatarsale and the proximal phalanx, belong to ellipsoid joint, can do flexing (colluding toes) and stretch (stretching toes) motion around frontal axis, also can do slight abduction (toe bones expansion) and interior receipts (toe bones closes up) motion around sagittal axis.In addition, the articulationes metatarsophalangeae flexing, stretch and to make metatarsal to upper and lower movement, can increase or reduce the radian of sufficient anterior arch, make forefoot depression or subside to change the arch of foot form.And the extending range of articulationes metatarsophalangeae is greater than flexing (Creighten ﹠amp; Oleson. the assessment of Plantar Fasciitis runner articulationes metatarsophalangeae scope of activities. orthopedic and kinesiatrics magazine, 1987,8 (7): 357-361): initiatively the scope that stretches is 50 °-60 °, the scope of active flexion is 30 °-40 °, the passive final stage of taking a step (pushing off ground) and important that extends in, angle can reach even above 90 °.
When the research lower extremity movement, what prior art was often paid close attention to all is lower limb three big joints: hip, knee, ankle; Even relate to foot, also only be the motion apart from upper joint and subtalar joint, still sufficient curvature movement mostly.And for the sufficient curvature movement of walking, run, jumping, the final generation of moving must be at articulationes metatarsophalangeae, therefore for indispensable (the Stefanyshyn ﹠amp of the research of articulationes metatarsophalangeae; Fuscoc. improve dash performance [J] by increasing the footwear flexion stiffness. sport biomechanics magazine, 2004,3 (1): 55-66.).And in recent years, country at some higher competitivenesses, many run, the trainer of jumping project (having the action of pushing off) emphasizes mobility that articulationes metatarsophalangeae bends and stretches and the training of unguiflexor strength, increase the strength output that comprises adjacent segment when assisting foot to push off ground, thereby obtain bigger reacting force of supporting, improve athletic performance (Goldmann, Sannom, Willwacher, et al. articulationes metatarsophalangeae flexing muscular strength can strengthen the potential possibility [J] of athletic performance. the sports science magazine, 2013,31 (4): 424-433.)
Though in recent years, the physical culture researchers begin to pay attention to the muscle strength of articulationes metatarsophalangeae, and the concrete scheme of neither one is tested and quantized these muscle powers; Do not find dependence test instrument or embodiment according to State Patent Office's retrieval center patent inquiry yet, so proposition of the present invention is exactly in order to address the above problem: test also quantizes the flexing strength of articulationes metatarsophalangeae, for trainer and sportsman provide authentic data with clear and definite training objective.
Summary of the invention:
The object of the present invention is to provide a kind of foot articulationes metatarsophalangeae strength tester, described this foot articulationes metatarsophalangeae strength tester can solve can't accurately measure the flexing strength of articulationes metatarsophalangeae and the technical matters of carrying out special training in the prior art.
This foot articulationes metatarsophalangeae strength tester of the present invention, comprise the chassis, pedal, seat, pulling force sensor and computing machine, described pulling force sensor includes a pulling force input end and a signal output part, wherein, described seat is fixedly installed on the rear end on described chassis, the chassis is provided with a shank fixed mount, described shank fixed mount is positioned at the place ahead of seat, the front end on chassis is provided with a hanger bracket, described hanger bracket is positioned at the place ahead of shank fixed mount, the upper end of described pulling force sensor is suspended on the hanger bracket, the rear end of described pedal and chassis anterior hinged, the front end of pedal is connected with the pulling force input end of pulling force sensor, and the signal output part of pulling force sensor is connected with described computing machine by signal wire.
Further, be provided with the sliding pair of fore-and-aft direction between seat and chassis.
Further, the rear portion on chassis is provided with slide rail along its length direction, and seat is arranged on the described slide rail, is provided with sliding pair between seat and slide rail.
Further, the seat board of seat is arranged on an elevating mechanism and the rotating mechanism.
Further, the front end on chassis is provided with a whirligig, and described whirligig comprises an inner rotary table, and described hanger bracket is fixedly installed on the described inner rotary table.
Further, described shank fixed mount comprises support, compressing tablet and adjusting part, and described support is a shape, and described adjusting part is arranged on the described support, and described compressing tablet is arranged on the lower end of described adjusting part.
Further, described adjusting part comprises slide block, threaded rod and nut, described slide block and the sliding pair that is configured to above-below direction, and described slide block is connected with threaded rod, and described threaded rod is fastening by nut and described support.
Further, described hanger bracket comprises body frame, first carriage release lever and second carriage release lever, described body frame is a shape, described first carriage release lever is and is horizontally placed on the body frame, be respectively arranged with sliding pair between the vertical bar of the two ends of first carriage release lever and body frame, the first carriage release lever two ends are connected with securing member, described second carriage release lever is horizontally set on the top of first carriage release lever, be provided with sliding pair between the vertical bar of the two ends of second carriage release lever and body frame, second carriage release lever is provided with vertical screw rod, described vertical screw rod is connected with the top of body frame by screw thread pair, and the threaded rod upper end is provided with control hand wheel.
Further, the front end on chassis is provided with a heel limiting plate, described heel limiting plate comprises rectangular slab, one end of rectangular slab is provided with arc, its length direction of rectangular slab upper edge is provided with chute, the front portion on chassis is provided with two set collars, and the heel limiting plate is connected by described chute and described set collar, and set collar is fastening with the heel limiting plate by bolt.
Further, described pedal comprises semi-circular plate and square plate, and described square plate is connected with described chassis by rotating shaft.
Principle of work of the present invention is:
Seat, fixed mount, hanger bracket and pedal are connected by the chassis.The height of seat can be according to experimenter's shank length adjustment: require the experimenter when measuring foot articulationes metatarsophalangeae strength, health is kept upright, faces the dead ahead, and both hands are put on seat two side handrails, and thigh becomes 90 ° with health, shank becomes 90 ° with thigh, ankle joint angle is 90 °.The shank fixed mount is fixing shank at the nearly knee joint of thigh place, and shank can not be moved up and down, and gets rid of the possibility of ankle motion.By fixed band experimenter's foot is fixed on the heel limiting plate on the base plate, the heel limiting plate can be regulated according to the long difference of experimenter's pin, with guarantee foot (middle part and rear portion) can not about, about and move forward and backward.
Pulling force sensor is suspended on the hanger bracket, connects pedal down.Pedal can be up and down to measure the flexing strength of foot articulationes metatarsophalangeae; Also can about movable to adjust the angle of inclination (± 30 °) of pedal according to the difference at experimenter's articulationes metatarsophalangeae oblique angle, make experimenter's foot articulationes metatarsophalangeae be in the best angle of having an effect; Also can move forward and backward to regulate the front and back position of pedal according to the length of experimenter's toes, and the record articulationes metatarsophalangeae is to the distance (L) of pulling force sensor perpendicular line.During test, require the experimenter to hear the beginning password after, to full capacity press down pedal and continue 3-5 second with sole of the foot toe, the flexing power (F) of the foot articulationes metatarsophalangeae that this computer-chronograph records by data line collection and preservation pulling force sensor.
Collect after the above data, can calculate the flexing moment (M) of human body articulationes metatarsophalangeae by following formula, with the flexing strength feature of reflection articulationes metatarsophalangeae.
M?=?L?×?F
The present invention and prior art are compared, and its effect is actively with tangible.The present invention utilizes pedal to transmit the motion of sole of the foot toe, utilize pulling force sensor and computing machine to measure and handle articulationes metatarsophalangeae flexing strength data, utilize shank fixed mount and heel limiting plate to get rid of the interference of other joint motions, data acquisition flow is simple and clear, gather good reproducibility, the data of gathering are accurate, reflected the reliability and stability of foot articulationes metatarsophalangeae strength tester; And can also implement personalized collection according to the difference of experimenter's individual condition, the flexibility and changeability of foot articulationes metatarsophalangeae strength tester has been described.
Description of drawings:
Fig. 1 is the structural representation of a kind of foot articulationes metatarsophalangeae strength tester of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of the shank fixed mount among the present invention.
Fig. 4 is the structural representation of the hanger bracket among the present invention.
Fig. 5 is the structural representation on the chassis among the present invention.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the structural representation of the pedal among the present invention.
Fig. 8 is the vertical view of Fig. 7.
Fig. 9 is the structural representation of the heel limiting plate among the present invention.
Figure 10 is the left view of Fig. 9.
Embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and shown in Figure 10, a kind of foot articulationes metatarsophalangeae strength tester of the present invention, comprise chassis 1, pedal 2, seat 3, shank fixed mount 4, hanger bracket 5, pulling force sensor 6 and computing machine (not drawing among the figure), described hanger bracket 5 is located at the front end on described chassis 1 rotationally, described shank fixed mount 4 is fixed in described chassis 1 postmedian, described seat 3 is located at 1 rear end, described chassis, described pedal 2 front ends are connected with the input end of described pulling force sensor 6, described pedal 2 rear ends are located on the described chassis 1 rotationally, described pulling force sensor 6 upper ends hang on the described hanger bracket, the signal output part of described pulling force sensor 6 links to each other with described computing machine by signal wire, and 1 front portion, described chassis also is provided with heel limiting plate 7.
Further, 1 sliding pair that is provided with fore-and-aft direction in described seat 3 and described chassis.
Further, be provided with slide rail 11 along its length direction in the middle of 1 rear portion, described chassis, described seat 3 is located on the described slide rail 11, is provided with sliding pair between described seat and described slide rail.
Further, the seat board of described seat 3 can and rotate relative to lifting with base plate.
Further, described chassis 1 front end is rounded, rear portion, the described chassis structure that is square, and described circle is provided with inner rotary table 12 and outer ring 13, and described inner rotary table 12 relative outer rings are rotatable, and described hanger bracket 5 is fixed on the described inner rotary table 12.
Further, described shank fixed mount 4 comprises support 41, compressing tablet 42 and adjusting part, described support 41 is a shape, described adjusting part is located on the described support, described compressing tablet 42 is located at described adjusting part lower end, and described compressing tablet 42 can move up and down under described adjusting part drives.Compressing tablet 42 can adopt soft, antifrictional material formations such as rubber.
Further, described adjusting part comprises slide block 43, threaded rod 44 and nut 45, described slide block 43 and support 41 constitute the sliding pair of above-below directions, and described slide block is connected with threaded rod, fastening by on nut and the described support of described threaded rod.
Further, described hanger bracket 5 comprises body frame 51, first carriage release lever 52 and second carriage release lever 53, described body frame 51 is a shape, described first carriage release lever 52 is and is horizontally placed on the described body frame, be provided with sliding pair between the vertical bar of the described first carriage release lever two ends and described body frame, the first carriage release lever two ends also have securing member 54, described second carriage release lever 53 is level and is located at described first carriage release lever top, the vertical bar of described second carriage release lever, 53 two ends and described body frame is provided with sliding pair, described second carriage release lever 53 is provided with vertical screw rod 55, described vertical screw rod 55 is connected with described body frame 51 tops by screw thread pair, and described threaded rod upper end also has control hand wheel 56.
Further, described pedal 2 comprises semi-circular plate and square plate, and described square plate is connected with described chassis by rotating shaft.
Further, described heel limiting plate 7 comprises rectangular slab 71, be provided with arc 72 at rectangular slab 71 1 ends, its length direction of described rectangular slab 71 upper edges is provided with chute 73, be provided with two set collars 8 in 1 front portion, described chassis, described heel limiting plate cooperates by described chute and set collar to be located on the described chassis, and described set collar 8 is fastening with described heel limiting plate 7 by bolt.
During test, require the experimenter to hear the beginning password after, to full capacity press down pedal and continue 3-5 second with sole of the foot toe, the power (F) of the foot articulationes metatarsophalangeae that this computer-chronograph records by data line collection and preservation one dimension pulling force sensor.
Collect after the above data, can calculate the flexing moment (M) of human body articulationes metatarsophalangeae by following formula, with the strength feature of reflection articulationes metatarsophalangeae.
M?=?L?×?F
Above-mentioned description to embodiment is can understand and use the present invention for the ease of those skilled in the art.The person skilled in the art obviously can make suitable modification to these embodiment soon, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (10)
1. foot articulationes metatarsophalangeae strength tester, comprise the chassis, pedal, seat, pulling force sensor and computing machine, described pulling force sensor includes a pulling force input end and a signal output part, it is characterized in that: described seat is fixedly installed on the rear end on described chassis, the chassis is provided with a shank fixed mount, described shank fixed mount is positioned at the place ahead of seat, the front end on chassis is provided with a hanger bracket, described hanger bracket is positioned at the place ahead of shank fixed mount, the upper end of described pulling force sensor is suspended on the hanger bracket, the rear end of described pedal and chassis anterior hinged, the front end of pedal is connected with the pulling force input end of pulling force sensor, and the signal output part of pulling force sensor is connected with described computing machine by signal wire.
2. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 1 is characterized in that: the sliding pair that is provided with fore-and-aft direction between seat and chassis.
3. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 2, it is characterized in that: the rear portion on chassis is provided with slide rail along its length direction, and seat is arranged on the described slide rail, is provided with sliding pair between seat and slide rail.
4. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 1 is characterized in that: the seat board of seat is arranged on an elevating mechanism and the rotating mechanism.
5. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 1, it is characterized in that: the front end on chassis is provided with a whirligig, and described whirligig comprises an inner rotary table, and described hanger bracket is fixedly installed on the described inner rotary table.
6. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 1, it is characterized in that: described shank fixed mount comprises support, compressing tablet and adjusting part, described support is a shape, described adjusting part is arranged on the described support, and described compressing tablet is arranged on the lower end of described adjusting part.
7. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 6, it is characterized in that: described adjusting part comprises slide block, threaded rod and nut, described slide block and the sliding pair that is configured to above-below direction, described slide block is connected with threaded rod, and described threaded rod is fastening by nut and described support.
8. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 1, it is characterized in that: described hanger bracket comprises body frame, first carriage release lever and second carriage release lever, described body frame is a shape, described first carriage release lever is and is horizontally placed on the body frame, be respectively arranged with sliding pair between the vertical bar of the two ends of first carriage release lever and body frame, the first carriage release lever two ends are connected with securing member, described second carriage release lever is horizontally set on the top of first carriage release lever, be provided with sliding pair between the vertical bar of the two ends of second carriage release lever and body frame, second carriage release lever is provided with vertical screw rod, described vertical screw rod is connected with the top of body frame by screw thread pair, and the threaded rod upper end is provided with control hand wheel.
9. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 1, it is characterized in that: the front end on chassis is provided with a heel limiting plate, described heel limiting plate comprises rectangular slab, one end of rectangular slab is provided with arc, its length direction of rectangular slab upper edge is provided with chute, the front portion on chassis is provided with two set collars, and the heel limiting plate is connected by described chute and described set collar, and set collar is fastening with the heel limiting plate by bolt.
10. a kind of foot articulationes metatarsophalangeae strength tester as claimed in claim 1, it is characterized in that: described pedal comprises semi-circular plate and square plate, described square plate is connected with described chassis by rotating shaft.
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| CN201310239441.2A CN103278278B (en) | 2013-06-17 | 2013-06-17 | Strength tester for foot metatarsophalangeal joints |
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| CN201310239441.2A CN103278278B (en) | 2013-06-17 | 2013-06-17 | Strength tester for foot metatarsophalangeal joints |
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| CN103278278A true CN103278278A (en) | 2013-09-04 |
| CN103278278B CN103278278B (en) | 2015-01-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106214167A (en) * | 2016-09-02 | 2016-12-14 | 上海逸动医学科技有限公司 | A kind of joint measuring stress instrument |
| CN109394219A (en) * | 2018-09-28 | 2019-03-01 | 汪毅 | A kind of foot functional measurement instrument and its application method |
| CN111407428A (en) * | 2020-03-30 | 2020-07-14 | 山东大学齐鲁医院(青岛) | Tibiofibular joint stability detector under jaw type |
| CN111568434A (en) * | 2020-05-21 | 2020-08-25 | 上海体育学院 | Human body balance test joint detection device system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109925070B (en) * | 2019-03-28 | 2020-03-20 | 山东大学齐鲁医院(青岛) | Detection device in tibiofibular syndesmosis stability operation |
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| CN1686030A (en) * | 2005-04-29 | 2005-10-26 | 刘彩虹 | Body building amusement seisure chair |
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| CN101623548A (en) * | 2009-08-14 | 2010-01-13 | 清华大学 | Knee-joint function recovery trainer of below-knee amputation |
| CN203323939U (en) * | 2013-06-17 | 2013-12-04 | 上海体育学院 | Foot metatarsophalangeal joint force tester |
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2013
- 2013-06-17 CN CN201310239441.2A patent/CN103278278B/en not_active Expired - Fee Related
Patent Citations (6)
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| US20030087737A1 (en) * | 2001-10-15 | 2003-05-08 | Studdard Steve B. | Reclining exercise chair |
| US20040254020A1 (en) * | 2003-06-13 | 2004-12-16 | Vlad Dragusin | Integrated videogaming and computer workstation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106214167A (en) * | 2016-09-02 | 2016-12-14 | 上海逸动医学科技有限公司 | A kind of joint measuring stress instrument |
| CN109394219A (en) * | 2018-09-28 | 2019-03-01 | 汪毅 | A kind of foot functional measurement instrument and its application method |
| CN109394219B (en) * | 2018-09-28 | 2024-02-23 | 汪毅 | Foot function measuring instrument and use method thereof |
| CN111407428A (en) * | 2020-03-30 | 2020-07-14 | 山东大学齐鲁医院(青岛) | Tibiofibular joint stability detector under jaw type |
| CN111568434A (en) * | 2020-05-21 | 2020-08-25 | 上海体育学院 | Human body balance test joint detection device system |
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| CN103278278B (en) | 2015-01-14 |
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