Musculo Flashcards
Resistance force lies between the axis and the effort?
Second class
Most joints in the body including elbow flexion are what type of lever?
Third Class
Axis - effort - resistance
Lower cervical spine capsular pattern
Limitation in all motions except flexion
side bending = rotation, extension
Proximal and distal radioulnar capsular pattern
Pronation = supination
Wrist capsular pattern
Flexion = extension
UE digits capsular pattern
Flexion , extension
Thoracic spine capsular pattern
Sidebending = rotation, ext, flexion
Hip capsular pattern
Flexion=ir, abduction, little or no lim in add and er
Talocrural capsular pattern
Pf, df
Midtarsal capsular pattern
Supination, pronation
First metatarsophalangeal capsular pattern
Extension, flexion
Common muscle substitution for weak shoulder abductor
Use scapular stabilizers to initiate shoulder motion when shoulder abd are weak
Anklylosed joint gets what grade on the manual grading of accessory motion? How about normal?unstable?
0,3,6
Long thoracic nerve motor innervation?
Serratus anterior (c5c6)
Dorsal scapular innervation( 2)
Levator scap and rhomboidals
Suprascapular nerve innervation (2)
Supraspinatus and infraspinatus
Axillary nerve innervation
Deltoid and teres minor
Extensor/supination innervation
Radial
Wrist flexion/pronation innervation
Median
Which muscles are used to compensate for weak hip extensors
Low back extensors, adductor Magnus, and quadratus lumborum
Which muscles are used to compensate for weak hip flexors?(4)
Lower abdominals, lower obliques, hip adductors, lats
What ligament has the primary function of reinforcing biceps tendon, superior capsule, and preventing caudal dislocation of humerus ?
Coracohumeral lig
Which ligament acts as a retinaculum for long biceps tendon ?
Transverse humeral lig
At about ____ degrees of elevation, external rotation occurs to prevent compression of greater tubercle against the acromion
75 degrees
Which ligament is responsible for reinforcing inferior elbow joint capsule, maintaining radial head in opposition to ulna, limiting amount of spin in supination and pronation?
Quadrate lig
Radiocarpal joint arthrology
Convex scaphoid and lunate articulate with concave radius
Proximal row of carpals- lat to med
Scaphoid, lunate, triquetrum, pisiform bones
Distal row of carpals- lat to med
Trapezium, trapezoid, capitate, hamate
During flexion the PIP, DIP, and MCP rotate which way ?
Radially to enhance grip and opposition
During first CMP flexion/extension it is cave on vex or vex on cave
Cave on vex
During first CMP abd and adduction it is cave on vex or vex on cave
Vex on cave
ACL attachments
Anterior intercondylar fossa of tibia - medial surface of lateral femoral condyle
What does ACL check (2)
Anterior translation of tib on femur and limits internal rotation of tibia during flexion
PCL attachments
Posterior intercondylar fossa— lateral surface of the medial femoral condyle
Which ligament pulls the menisci forward
Meniscopatellar lig
What keeps the patella in contact with femur
Alar fold
C shaped maniscus
Medial
Lateral is smaller and more circular
Medial meniscus is pulled posteriorly with flexion by?
Semimembranosus muscle and ACL
Medial meniscus is pulled anteriorly with extension by?
Medial meniscopatellar lig
Lateral meniscus is pulled posteriorly with flexion by
Popliteus muscle
During knee flexion the ACL becomes taut causing ?
The femoral condyles to glide anteriorly, while they roll posteriorly
PCL causes opposite during extension
Pure rolling for the first 15-20 degrees of flexion
Screw home mechanism - open chain vs closed chain
Open its the tibia er on femur vs closed chain it’s the femur IR on tibia
Popliteus unlocks it
Tarsometatarsal joint articulations- proximally and distally
Proximally- medial are the three cuneiforms, laterally cuboid ( 4th and 5th metatarsal articulates with cuboid)
Distally- bases of the five metatarsals
Deltoid Lig function
Prevent Eversion and valgus
Plantar fascia tightens with DF of MTP during push off. What does this cause?
Tightening of this fascia causes supination of calcaneus and inversion of subtalar joint, creating a rigid lever for push off
Uncinate joints (joints of Von Luschka) are found what level
C3-c7 limit lateral cervical movement (uncinate process-upward projection on the lateral margin of the cervical vertebrae)
What is the articulation for the ribs?
Demifacets
Lumbar/thoracic facet joints during R rotation
Separation on the right, approximation on the left
Cervical facet joints during R rotation
R glides down and back causing causing approximation of the facets on the r
Stiff back in the morning, better within an hour; loss of motion c sharp pain; movement in pain free range usually reduces symptoms; stationary positions inc symptoms
Facet joint dysfunction
Forward head posture effect on mandible?
Retrusion and elevation
Forward head posture effect on tmj?
Posterior closed-packed position
Forward head posture effect on hyoid
Elevation
Forward head posture effect on first and second ribs
Elevated
Ankle PF df rom norms
50/20
Hip er/ir rom norms
40-60/30-40
MRI T1 is best used to assess?
Bony anatomy
T2 MRI is used to assess ?
Soft tissue structures (high water content)
Neer’s impingement test procedure
Pt sitting, shoulder is passively internally rotated, then fully abducted
Which special test identifies an impingement btw rotator cuff and greater tuberosity or posterior glenoid and labrum
Posterior internal impingement test
Posterior internal impingement test procedure
Pt supine, move shoulder into 90 abduction, max er, and 15-20 horizon add
Post test reproduces pain in post shoulder
Pt supine, with shoulder fully abducted. PT then tries to provide an anteriorly directed force on the humerus while externally rotating it
Clunk test- pos if audible clunk
Labrum tear
Procedure for ac shear test
Sitting c arm by side
One hand on spine of scap, other hand on clavicle
Squeeze hands together creating a compression at ac joint
Pt sitting, PT find radial pulse, head rotated ipsilaterally, passively shoulder extend and externally rotate while extension of head, assess for dismissed or absent pulse
Adson’s test
Pt sitting, move tested shoulder into retraction and depression, assess impact on radial pulse
Costoclavicular syndrome (military brace)
Pt sitting, move tested arm into max abd and er, rotate head contra-laterally, assess effect on radial pulse
Wright ( hyperabduction) test
Pt standing, shoulder abducted and elbows flexed to 90, shoulder max er, pt opens/closes hands for 3 minutes slowly, assess neurovascular response
Roos elevated arm test
Shoulder depression, 110 degrees of abd, elbow extension, forearm supination, wrist and finger extension, contralateral cervical side flexion
Median and anterior interosseous nerve bias
Shoulder depression, 10 degrees of abd, elbow extension, forearm supination, wrist and finger extension, shoulder er, contralateral cervical side flexion
Median nerve, axiallary, and musculocutaneous nerve bias
Shoulder depression, 10 degrees of abd, elbow extension, forearm pronation, wrist flexion and ulnar deviation, finger and thumb flexion, shoulder ir, contralateral cervical side flexion
Radial nerve bias
Shoulder depression, 10-90 degrees of abd(hand to ear waiter’s position), elbow flexion, forearm supination, wrist extension and radial deviation, finger and thumb extension, shoulder er, contralateral cervical side flexion
Ulnar nerve bias
Phalen’s test for carpal tunnel compression of median nerve. Does the pt FLEX or EXTEND both wrists against each other for one minute?
Flex
Normal distance amount that can be discriminated in the hand?
6 mm
Pt instructed to make fist several times, then occlude ulnar artery , then release, observe vascular filling following compression, repeat for radial artery
Allen’s test
Pt prone, palpate greater trochanter, move hip IR and ER, stop and measure the angle when the greater trochanter feels most lateral.
Craig’s test
Craig’s test findings- normal and abnormal
Normal antetorsion angle is 8-15 degrees
Less then 8 indicates a retroverted hip, and greater than 15 indicates an anteverted hip
Pivot shift test procedure
Supine, start with hip ir, flexed and abd, knee ext and valgus force, start to flex the knee
Tibia subluxes and then reduced by pull of ITB
Supine with knee and hip in full flexion, extend the leg and provide a IR force on the knee. This test the integrity of which meniscus?
Lateral
What does the reverse lachmans test test?
PCL
Prone and 30 degrees knee flexion
Which test helps differentiate between ligamentous or menisci injury of the knee?
Apleys
If pain with compression then it’s meniscus, of pain with distraction then it’s ligamentous
Test which indicates past history of patellar dislocation. Pt supine , PT provides a laterally directed force on the patella, pt doesn’t let or painful and worried about sublux
Patellar apprehension test
Test which indicates patellofemoral dysfunction. Pt in supine, asked to actively contract quads while PT push posterior on superior pole of patella.
Clarke’s sign
Pt supine, knee ext, tap on patella centrally, if patella appears to be gloating what test is positive?
Ballotable patella (patellar tap test)
Positive Fluctuation test indicates?
Knee joint effusion.. Kinda like the brush test
Measurement between the quad muscle and the patellar tendon
Q angle measurement
Normal for men is 13; women 18
If smaller or greater than normal may be indicative of knee dysfunction
Where to tap for tinels test in the knee
Posterior to fib head where common fib nerve passes
Pt supine with 20 degrees of PF, and just off edge of table
Anterior drawer test
With the talar tilt test- when going into adduction you stress what lig? Abd?
Adduction- calcaneofibular
Abduction- deltoid