Aging Spine Fitness: Evidence-Based Strengthening Techniques for Seniors: Summary 14
• Bilateral tabletop: Most challenging; requires no trunk rocking • Wall plank: Standing plank against wall; control spine position (no locked-out extension) • Wall plank with knee bend or leg lift progressions • Add Theraband around upper arms for additional upper core challenge. Gluteus Medius Strengthening The gluteus medius is a key lateral pelvic stabilizer and an important back muscle. Exercises include the following: • Sidelying hip abduction: Foot in neutral, no external rotation or hip flexion; watch for hip hiking and trunk sidebend substitutions. • Standing hip abduction next to a wall: The wall prevents substitution patterns; works both sides simultaneously. Note: Standing hip abduction without a wall is a poor exercise because of excessive substitution patterns. Gluteus Maximus Strengthening Bridging is the bedrock of glut. max. strengthening. Key cues: Tighten abdominals first, then squeeze glutes and use them to push the trunk up. Progressions are as follows: • Basic bridging: Glutes push trunk up, spine stays stable. • Bridging with heel lift (one side at a time) • Bridging with marching (foot lift) • Bridging with Theraband around knees: Adds gluteus medius stabilization. • Sit to stand: Use slow eccentric descent for strengthening; add weight shift and single-leg balance. • Step up (forward and side): Focus on glute/quad firing, not plantar flexion push-off. • Chair push-up: Useful for wheelchair-bound patients Multifidus Strengthening The bird-dog exercise is the primary multifidus strengthening exercise. The goal is to lift the arm and/ or leg while maintaining a completely stable spine; no wobble or rotation. Progressions include the following: • Prone : Arm lift, then leg lift, then opposite arm and leg lift (more stable starting position) • Quadruped : Arm lift, then leg lift, then opposite arm and leg lift • Wall plank with leg lift behind : Engages multifidus in a functional position Note: If a patient cannot perform the exercise without excessive trunk motion, regress to an easier variation. The goal of the exercise is spinal stability, not limb movement.
SPECIFIC DEGENERATIVE SPINE CONDITIONS While aging affects all spinal structures and is considered normal wear and tear, degeneration represents more pronounced structural changes and loss of function that cause pain and other symptoms. Degenerative disease typically involves multiple structures at multiple levels and can cause symptoms ranging from persistent back pain to radicular pain, neurological deficits, sensory impairment, and neurogenic claudication. Degenerative Disc Disease (DDD) DDD is morphologically evident by gaps and tears in the disc and a loss of differentiation between the nucleus pulposus and the annulus fibrosus. Structurally, bulging, herniation, and compression may be evident. The Thompson grading system quantifies disc degeneration from Grade I (mild) to Grade V (marked disc space narrowing and severe changes). Spinal motion decreases in correlation with the amount of DDD. When severe, this is almost the equivalent of the loss of motion associated with spinal fusion . Stages of DDD relative to motion are: dysfunction, instability, and re-stabilization. Exercise principles for DDD are as follows: • Focus on stabilization, not mobility (except in the dysfunction stage—gentle motion) • Segmental stability is critical (multifidus, TA). • Mobilize segments proximal and distal to the area of DDD (thoracic spine, hips) to decrease stress to the involved area. • Strengthen muscles that protect the spine: TA, glut. max., glut. med. • Integrate functional strengthening for improved body mechanics. Lab exercises include gentle lumbar mobility (supine knee to chest, rocking knees side to side), thoracic rotation and extension, hip mobility (figure 4, standing hip flexion stretch), and general strengthening with pain- free spine positioning. Spondylosis (Osteoarthritis of the Spine) LEARNING TIP! Spondylosis is a generalized term for osteoarthritis in the spine and encompasses the degenerative changes described previously. It is present in 27–37% of asymptomatic individuals. Clinical presentation is chronic low back pain that increases in intensity with an acute increase in activity level.
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