Depth Jump
depth-jump
ควรระวัง
- avoid · Osteoporosis — High-impact landing forces increase the risk of vertebral compression fractures or lower extremity stress fractures in individuals with reduced bone density. Instead, focus on resistance training like goblet squats or seated leg presses to maintain bone health safely.
- avoid · Acute knee injury — Depth jumps generate high eccentric loads and impact forces that can aggravate patellar tendinopathy, meniscus tears, or ligament instability. Instead, perform low-impact pogo hops or box step-ups to build tendon stiffness safely.
- avoid · Acute lower back injury — The rapid deceleration and immediate reversal of momentum place significant shear and compressive stress on the lumbar spine, risking disc herniation or muscle strain. Instead, use controlled box squats or medicine ball slams to develop power without spinal impact.
When I nail a depth jump, the drop feels like a quick, controlled bounce instead of a heavy crash. I instantly redirect that impact into a sharp, explosive push-off that barely kisses the floor. My ankles stay resilient, my core stays locked, and the entire sequence feels snappy and rhythmic. When you truly harness that stretch-shortening cycle, ground contact disappears and you launch upward with a clean, effortless surge.
หากคุณเพิ่งเริ่มต้น
Start with a box height of just twelve to eighteen inches to build tendon resilience before chasing higher drops. Focus on landing quietly, as a loud thud means you are absorbing force through your joints rather than redirecting it. Keep your chest proud and your weight centered over your midfoot throughout the entire sequence. If you notice your knees collapsing inward, your heels slapping the ground, or your ground contact time stretching past half a second, pause immediately. True failure here feels like sluggish, heavy legs and a noticeable loss of rebound speed, not burning muscles. Stop the set the moment your mechanics degrade or your rhythm falters. It is incredibly common to compensate by squatting too deep or leaning forward excessively upon landing. Counteract this by imagining the floor is hot and by keeping your hips high. Progress slowly, and trust that mastering a low box will safely prepare you for greater heights.
ก้าวต่อไป
Keep your sets between three and five repetitions, resting a full two minutes between them. This is neural work, not conditioning; the moment your ground contact time lengthens or your rebound height drops, the set is over. Progress by adding two to four inches to your plyo box only when every rep in a session feels genuinely snappy, or shift your focus entirely to minimising the time your feet spend on the floor. The drop should be passive gravity, but the transition from landing to take-off must be violent and immediate. A deliberate pause at the bottom defeats the purpose. Once you are consistently sharp off an eighteen- to twenty-four-inch box, move to depth jumps with a lateral bound upon landing to challenge frontal-plane stiffness, or add a light dumbbell held at the chest to increase the eccentric demand without raising the box height further.
ข้อผิดพลาดที่พบบ่อย
Athletes frequently sabotage this movement by dropping from excessive heights, which forces the knees to cave inward and turns an elastic rebound into a slow, grinding squat. Many also fail to maintain an upright torso, leaning too far forward upon landing and shifting the workload away from the posterior chain. Another frequent error is pausing at the bottom instead of utilizing the rapid stretch-shortening cycle, effectively transforming an explosive plyometric into a standard vertical jump. Finally, landing flat-footed or letting the heels strike first destroys the natural spring mechanism of the Achilles and calves, increasing joint stress while severely limiting your vertical output.
ตารางฝึก
- Sets
- 3
- Reps
- 3-5
- Rest
- 120s
- RPE
- 9
- Per set
- ~120s
- ความถี่
- 2x/week
Increase box height by 2-4 inches or focus on minimizing ground contact time once landing mechanics remain consistent.
Cues
กล้ามเนื้อ
- Quadriceps
- Glutes
- Calves
- Hamstrings
- Abs
อุปกรณ์
- Bodyweight
- Plyo box
- 1
Stand on a sturdy box with feet shoulder-width apart and toes slightly out.
- 2
Position arms slightly behind the torso to prepare for the swing.
- 3
Inhale deeply to brace the core and stabilize the spine.
- 4
Step straight off the box edge and drop toward the ground without jumping upward.
- 5
Land softly on the midfoot with knees tracking directly over the toes.
- 6
Exhale forcefully upon impact while immediately reversing the downward momentum.
- 7
Drive arms overhead and fully extend the ankles, knees, and hips to explode upward.
- 8
Absorb the landing by bending the knees and keeping the chest upright.
- 9
Step away from the landing zone to reset body alignment.
- 10
Inhale slowly to lower the heart rate and prepare for the next repetition.