Back Training Flashcards
The _____ muscles resist anterior shear of the vertebra and control rotation of the vertebra.
Multifidus
The 2 functional muscle groups of the spine are the _____.
Transversopinalis and erector spinae
The _____ muscle bridges the spine and the leg.
Iliopsoas
The iliopsoas shares a reflex neurological relationship with which organ?
Kidney
Unilateral shortening in the _____ tends to hike up the hip.
Quadratus lumborum
The _____ muscle bridges the spine to the humerus.
Latissimus dorsi
When lifting an object from the floor, the first 45 degree of trunk extension is provided by which muscles?
Hamstrings and gluteus maximus
The abdominal wall has _____ nerve innervations.
9
If the external oblique and internal oblique on the same side contract, they will produce _____.
Side flexion
Tonic muscles tend to _____ and _____.
shorten; tighten
When shortened, the anterior fibers of the gluteus medius and the tensor fascia latae will restrict which motion at the hip?
External rotation
When squatting, a plumb line dropped from the end of the bar should _____.
Always stay within the space occupied by the feet at any time during the squat.
Which muscles below are primarily phasic?
Peroneals, wrist extensors, abdominals
When the abdominals are deficient, the _____ muscles have to help stabilize the spine.
hamstrings
The _____ muscles control thoracic curvature.
Spinoscapular
Which muscles want to pull a load toward you when lifting it from the floor?
Latissimus dorsi
Increased _____ kyphosis increases the angle in the _____.
thoracic; first rib
A man with a 16-pound head, that has a forward head posture of 2 inches, has a load of ______ on his _____.
32 pounds; neck extensors
During a Bent-Over-Row it is important to have complete shoulder ______.
Adduction
According to Janda, the _____ muscle(s) is the most common site of muscle imbalances in the body.
psoas
The first _____ degrees of load, going from standing to bending, is primarily controlled by the _____ system.
45; muscular
It is best to use a rounded back lifting posture when the load is light enough that you can lift it _____ times.
30
The knee needs to bend _____% to recruit the ______.
20; gluteus maximus
The Inner Unit is composed of the _____ muscles.
Diaphragm, Multifidus, posterior fibers of the internal obliques, pelvic floor, transversus abdominis.